- 米国企業
- EXELON CORP
EXELON CORPEXC
時価総額
$437.9億
PER
18.8倍
| 2010年 12月31日 | 2011年 12月31日 | 2013年 12月31日 | 2014年 12月31日 | 2015年 12月31日 | 2016年 12月31日 | 2017年 12月31日 | 2018年 12月31日 | 2019年 12月31日 | 2020年 12月31日 | 2021年 12月31日 | 2022年 12月31日 | 2023年 12月31日 | |
| Exelon Generation Co L L C | - | - | 1,070 | 1,019 | 1,372 | 558 | 2,771 | 443 | 1,217 | 589 | - | - | - |
| Commonwealth Edison Co | - | - | 249 | 408 | 426 | 378 | 567 | 664 | 688 | 438 | 742 | 917 | 1,090 |
| PECO Energy Co | - | - | 395 | 352 | 378 | 438 | 434 | 460 | 528 | 447 | 504 | 576 | 563 |
| Baltimore Gas and Electric Company | - | - | 210 | 211 | 288 | 294 | 307 | 313 | 360 | 349 | 408 | 380 | 485 |
| Pepco Holdings LLC | - | - | - | - | - | -61 | 362 | 398 | 477 | 495 | 561 | 608 | 590 |
| Potomac Electric Power Company | - | - | - | - | - | 42 | 205 | 210 | 243 | 266 | 296 | 305 | 306 |
| Delmarva Power & Light Company | - | - | - | - | - | -9 | 121 | 120 | 147 | 125 | 128 | 169 | 177 |
| Atlantic City Electric Company | - | - | - | - | - | -42 | 77 | 75 | 99 | 112 | 146 | 148 | 120 |
| Net income | - | - | 1,729 | 1,820 | 2,250 | 1,204 | 3,849 | 2,084 | 3,028 | 1,954 | 1,829 | 2,171 | 2,328 |
| Exelon Generation Co L L C | 1,341 | 1,539 | 2,559 | 2,519 | 2,589 | 3,519 | 3,056 | 3,415 | 3,063 | 3,636 | - | - | - |
| Commonwealth Edison Co | 517 | 554 | 669 | 687 | 707 | 775 | 850 | 940 | 1,033 | 1,133 | 1,205 | 1,323 | 1,403 |
| PECO Energy Co | 1,060 | 202 | 228 | 236 | 260 | 270 | 286 | 301 | 333 | 347 | 348 | 373 | 397 |
| Baltimore Gas and Electric Company | - | 274 | 348 | 371 | 366 | 423 | 473 | 483 | 502 | 550 | 591 | 630 | 654 |
| Pepco Holdings LLC | - | - | - | - | - | 515 | 675 | 740 | 754 | 782 | 821 | 938 | 990 |
| Potomac Electric Power Company | - | - | - | - | - | 295 | 321 | 385 | 374 | 377 | 403 | 417 | 441 |
| Delmarva Power & Light Company | - | - | - | - | - | 157 | 167 | 182 | 184 | 191 | 210 | 232 | 244 |
| Atlantic City Electric Company | - | - | - | - | - | 165 | 146 | 136 | 157 | 180 | 179 | 261 | 283 |
| Depreciation and amortization | 2,943 | 2,316 | 3,779 | 3,868 | 3,987 | 5,576 | 5,427 | 5,971 | 5,780 | 6,527 | 7,573 | 3,533 | 3,506 |
| Exelon Generation Co L L C | - | - | - | 663 | 12 | 243 | 510 | 50 | 201 | 563 | - | - | - |
| Commonwealth Edison Co | - | - | - | - | - | - | - | - | - | 15 | - | - | - |
| Baltimore Gas and Electric Company | - | - | - | - | - | 52 | 7 | - | - | - | - | 48 | - |
| Pepco Holdings LLC | - | - | - | - | - | - | 52 | - | - | 13 | - | - | - |
| Potomac Electric Power Company | - | - | - | - | - | - | 14 | - | - | - | - | - | - |
| Delmarva Power & Light Company | - | - | - | - | - | - | 6 | - | - | 7 | - | - | - |
| Atlantic City Electric Company | - | - | - | - | - | - | 7 | - | - | 6 | - | - | - |
| Asset impairments | - | - | - | 687 | 36 | 306 | 573 | 50 | 201 | 591 | 552 | 48 | - |
| Exelon Generation Co L L C | - | - | - | 437 | 12 | - | - | 48 | 27 | 11 | - | - | - |
| Commonwealth Edison Co | - | - | - | 2 | 1 | - | - | - | - | - | - | - | - |
| PECO Energy Co | - | - | - | - | - | - | - | - | 1 | - | - | - | - |
| Gain on sales of assets and businesses | - | - | - | 437 | 18 | - | - | 56 | 27 | 24 | 201 | 8 | 10 |
| Bargain purchase gain | - | - | - | - | - | - | 233 | - | - | - | - | - | - |
| Exelon Generation Co L L C | 741 | 551 | 315 | -198 | 49 | -269 | -2,022 | -451 | 361 | 78 | - | - | - |
| Commonwealth Edison Co | 582 | 700 | -57 | 433 | 353 | 439 | 659 | 259 | 109 | 228 | 244 | 241 | 196 |
| PECO Energy Co | -400 | 253 | 20 | 88 | 90 | 78 | 19 | -5 | 20 | -23 | 11 | 70 | -43 |
| Baltimore Gas and Electric Company | - | 145 | 125 | 116 | 165 | 118 | 145 | 76 | 130 | 37 | -17 | 9 | 66 |
| Pepco Holdings LLC | - | - | - | - | - | 295 | 252 | 32 | -7 | -97 | 24 | -9 | 29 |
| Potomac Electric Power Company | - | - | - | - | - | 153 | 113 | -18 | 1 | -46 | -8 | -17 | -15 |
| Delmarva Power & Light Company | - | - | - | - | - | 109 | 89 | 24 | -7 | -13 | 39 | 16 | 4 |
| Atlantic City Electric Company | - | - | - | - | - | 22 | 32 | 25 | 3 | -37 | -15 | -2 | 27 |
| Deferred Income Taxes and Tax Credits | 981 | 1,457 | 119 | 502 | 752 | 664 | -361 | -106 | 681 | 309 | 18 | 255 | 319 |
| Gain on deconsolidation of business | - | - | - | - | - | - | 213 | - | - | 125 | - | - | - |
| Exelon Generation Co L L C | 88 | -291 | 448 | -635 | 249 | - | 6 | 17 | -204 | 280 | - | - | - |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Net fair value changes related to derivatives | 88 | -291 | 445 | -716 | 367 | -24 | -151 | -294 | -222 | 268 | 568 | 53 | -22 |
| Exelon Generation Co L L C | 741 | 551 | 315 | -198 | 49 | -269 | -2,022 | -451 | 361 | 78 | - | - | - |
| Commonwealth Edison Co | 582 | 700 | -57 | 433 | 353 | 439 | 659 | 259 | 109 | 228 | 244 | 241 | 196 |
| PECO Energy Co | -400 | 253 | 20 | 88 | 90 | 78 | 19 | -5 | 20 | -23 | 11 | 70 | -43 |
| Baltimore Gas and Electric Company | - | 145 | 125 | 116 | 165 | 118 | 145 | 76 | 130 | 37 | -17 | 9 | 66 |
| Pepco Holdings LLC | - | - | - | - | - | 295 | 252 | 32 | -7 | -97 | 24 | -9 | 29 |
| Potomac Electric Power Company | - | - | - | - | - | 153 | 113 | -18 | 1 | -46 | -8 | -17 | -15 |
| Delmarva Power & Light Company | - | - | - | - | - | 109 | 89 | 24 | -7 | -13 | 39 | 16 | 4 |
| Atlantic City Electric Company | - | - | - | - | - | 22 | 32 | 25 | 3 | -37 | -15 | -2 | 27 |
| Deferred Income Taxes and Tax Credits | 981 | 1,457 | 119 | 502 | 752 | 664 | -361 | -106 | 681 | 309 | 18 | 255 | 319 |
| Exelon Generation Co L L C | 105 | -14 | 170 | 210 | -131 | 229 | 616 | -303 | 663 | 461 | - | - | - |
| PECO Energy Co | - | - | - | - | -2 | - | - | - | - | - | - | - | - |
| Net realized and unrealized gains on NDT fund investments | 105 | -14 | 170 | 210 | -131 | 229 | 616 | -303 | 663 | 461 | 586 | -205 | - |
| Exelon Generation Co L L C | 88 | -291 | 448 | -635 | 249 | - | 6 | 17 | -204 | 280 | - | - | - |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Net fair value changes related to derivatives | 88 | -291 | 445 | -716 | 367 | -24 | -151 | -294 | -222 | 268 | 568 | 53 | -22 |
| Exelon Generation Co L L C | 105 | -14 | 170 | 210 | -131 | 229 | 616 | -303 | 663 | 461 | - | - | - |
| PECO Energy Co | - | - | - | - | -2 | - | - | - | - | - | - | - | - |
| Net realized and unrealized gains on NDT fund investments | 105 | -14 | 170 | 210 | -131 | 229 | 616 | -303 | 663 | 461 | 586 | -205 | - |
| Exelon Generation Co L L C | - | -421 | -414 | -346 | -268 | -15 | -112 | -298 | -124 | 18 | - | - | - |
| Commonwealth Edison Co | - | -184 | -28 | -255 | -416 | -215 | -164 | -242 | 265 | 202 | 126 | 165 | 536 |
| PECO Energy Co | - | -100 | -108 | -92 | -70 | -65 | -54 | -51 | 38 | 24 | - | -40 | -13 |
| Baltimore Gas and Electric Company | - | -129 | -153 | -180 | -137 | -88 | -65 | -58 | 85 | 97 | 75 | -135 | 1 |
| Pepco Holdings LLC | - | - | - | - | - | -514 | -59 | 143 | 161 | 103 | -12 | -163 | -110 |
| Potomac Electric Power Company | - | - | - | - | - | -183 | 5 | -60 | 56 | -23 | -52 | -36 | -53 |
| Delmarva Power & Light Company | - | - | - | - | - | -114 | -9 | -24 | 27 | 51 | 3 | -29 | -13 |
| Atlantic City Electric Company | - | - | - | - | - | -155 | -17 | -24 | 22 | 36 | - | -46 | - |
| Other non-cash operating activities | - | -770 | -876 | -1,054 | -1,109 | -1,333 | -721 | -1,124 | 613 | 592 | -200 | -370 | 335 |
| Net unrealized losses (gains) on equity investments | - | - | - | - | - | - | - | - | - | 186 | - | - | - |
| Exelon Generation Co L L C | - | -421 | -414 | -346 | -268 | -15 | -112 | -298 | -124 | 18 | - | - | - |
| Commonwealth Edison Co | - | -184 | -28 | -255 | -416 | -215 | -164 | -242 | 265 | 202 | 126 | 165 | 536 |
| PECO Energy Co | - | -100 | -108 | -92 | -70 | -65 | -54 | -51 | 38 | 24 | - | -40 | -13 |
| Baltimore Gas and Electric Company | - | -129 | -153 | -180 | -137 | -88 | -65 | -58 | 85 | 97 | 75 | -135 | 1 |
| Pepco Holdings LLC | - | - | - | - | - | -514 | -59 | 143 | 161 | 103 | -12 | -163 | -110 |
| Potomac Electric Power Company | - | - | - | - | - | -183 | 5 | -60 | 56 | -23 | -52 | -36 | -53 |
| Delmarva Power & Light Company | - | - | - | - | - | -114 | -9 | -24 | 27 | 51 | 3 | -29 | -13 |
| Atlantic City Electric Company | - | - | - | - | - | -155 | -17 | -24 | 22 | 36 | - | -46 | - |
| Other non-cash operating activities | - | -770 | -876 | -1,054 | -1,109 | -1,333 | -721 | -1,124 | 613 | 592 | -200 | -370 | 335 |
| Exelon Generation Co L L C | - | 122 | -109 | 215 | -194 | 152 | 276 | 359 | 186 | -1,125 | - | - | - |
| Commonwealth Edison Co | 46 | -5 | 12 | 121 | 93 | 25 | 59 | 136 | 34 | 10 | 25 | 163 | 138 |
| PECO Energy Co | 212 | -225 | 79 | 16 | -37 | 71 | 44 | 74 | 29 | 88 | 35 | 205 | -67 |
| Baltimore Gas and Electric Company | - | -60 | 127 | -46 | -84 | 98 | 5 | -8 | -25 | 165 | -30 | 197 | -89 |
| Pepco Holdings LLC | - | - | - | - | - | 21 | 26 | -2 | 39 | 159 | 48 | 184 | 79 |
| Potomac Electric Power Company | - | - | - | - | - | 41 | 20 | 5 | 22 | 67 | 28 | 104 | 29 |
| Delmarva Power & Light Company | - | - | - | - | - | 5 | 22 | -8 | 5 | 34 | -15 | 59 | -6 |
| Atlantic City Electric Company | - | - | - | - | - | 8 | -14 | 8 | 13 | 55 | 37 | 19 | 57 |
| Accounts receivable | 232 | -57 | 97 | 318 | -240 | 432 | 426 | 565 | 243 | -697 | 703 | 1,222 | 37 |
| Exelon Generation Co L L C | - | - | - | - | - | - | - | - | -52 | 24 | - | - | - |
| Commonwealth Edison Co | - | - | - | - | - | - | - | - | -12 | -1 | 32 | -34 | - |
| PECO Energy Co | - | - | - | - | - | - | - | - | -5 | -6 | 21 | -31 | - |
| Baltimore Gas and Electric Company | - | - | - | - | - | - | - | - | 1 | -8 | -13 | -2 | - |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | 3 | 3 | 6 | -46 | - |
| Potomac Electric Power Company | - | - | - | - | - | - | - | - | 5 | -12 | 6 | -33 | - |
| Delmarva Power & Light Company | - | - | - | - | - | - | - | - | -5 | 8 | -3 | -10 | - |
| Atlantic City Electric Company | - | - | - | - | - | - | - | - | -6 | 6 | 4 | -4 | - |
| Exelon Generation Co L L C | 70 | 47 | 88 | 359 | -16 | 4 | 29 | 12 | 47 | 77 | - | - | - |
| Commonwealth Edison Co | 1 | 9 | 18 | 16 | 40 | -1 | -4 | -1 | 16 | 13 | 2 | 28 | 82 |
| PECO Energy Co | -9 | - | -2 | -2 | -10 | -6 | -1 | 14 | -4 | 1 | 26 | 56 | -34 |
| Baltimore Gas and Electric Company | - | 10 | -1 | 6 | -18 | -1 | 9 | -2 | 1 | -10 | 29 | 61 | -47 |
| Pepco Holdings LLC | - | - | - | - | - | -3 | 37 | -14 | 27 | 6 | 16 | 34 | 42 |
| Potomac Electric Power Company | - | - | - | - | - | -1 | 24 | 6 | 19 | -1 | 8 | 16 | 24 |
| Delmarva Power & Light Company | - | - | - | - | - | - | 5 | 3 | 6 | 5 | 8 | 11 | 5 |
| Atlantic City Electric Company | - | - | - | - | - | 1 | 7 | 4 | 1 | 3 | -1 | 7 | 12 |
| Inventories | 62 | 58 | 100 | 380 | -4 | -7 | 72 | 37 | 87 | 85 | 141 | 121 | 45 |
| Exelon Generation Co L L C | 70 | 47 | 88 | 359 | -16 | 4 | 29 | 12 | 47 | 77 | - | - | - |
| Commonwealth Edison Co | 1 | 9 | 18 | 16 | 40 | -1 | -4 | -1 | 16 | 13 | 2 | 28 | 82 |
| PECO Energy Co | -9 | - | -2 | -2 | -10 | -6 | -1 | 14 | -4 | 1 | 26 | 56 | -34 |
| Baltimore Gas and Electric Company | - | 10 | -1 | 6 | -18 | -1 | 9 | -2 | 1 | -10 | 29 | 61 | -47 |
| Pepco Holdings LLC | - | - | - | - | - | -3 | 37 | -14 | 27 | 6 | 16 | 34 | 42 |
| Potomac Electric Power Company | - | - | - | - | - | -1 | 24 | 6 | 19 | -1 | 8 | 16 | 24 |
| Delmarva Power & Light Company | - | - | - | - | - | - | 5 | 3 | 6 | 5 | 8 | 11 | 5 |
| Atlantic City Electric Company | - | - | - | - | - | 1 | 7 | 4 | 1 | 3 | -1 | 7 | 12 |
| Inventories | 62 | 58 | 100 | 380 | -4 | -7 | 72 | 37 | 87 | 85 | 141 | 121 | 45 |
| Exelon Generation Co L L C | -18 | 34 | -109 | 94 | -149 | 29 | 2 | 376 | -248 | -343 | - | - | - |
| Commonwealth Edison Co | 342 | -84 | 74 | 53 | 68 | 339 | -297 | 70 | -51 | 63 | - | 406 | -87 |
| PECO Energy Co | 85 | 34 | 41 | 54 | -25 | 67 | 6 | -3 | -11 | 63 | 15 | 152 | -78 |
| Baltimore Gas and Electric Company | - | -21 | -14 | -70 | -3 | 138 | -15 | -1 | -43 | 102 | 14 | 77 | -75 |
| Pepco Holdings LLC | - | - | - | - | - | 19 | -106 | 45 | -17 | 49 | 34 | 30 | 40 |
| Potomac Electric Power Company | - | - | - | - | - | 32 | -63 | 59 | -39 | 41 | 16 | 24 | 6 |
| Delmarva Power & Light Company | - | - | - | - | - | -4 | -8 | 11 | 3 | 4 | 16 | 19 | -7 |
| Atlantic City Electric Company | - | - | - | - | - | 9 | -2 | -7 | 26 | 5 | 3 | -9 | 27 |
| Accounts payable and accrued expenses | 472 | -254 | -90 | 209 | -121 | 771 | -390 | 551 | -425 | -129 | 440 | 1,318 | -191 |
| Exelon Generation Co L L C | -18 | 34 | -109 | 94 | -149 | 29 | 2 | 376 | -248 | -343 | - | - | - |
| Commonwealth Edison Co | 342 | -84 | 74 | 53 | 68 | 339 | -297 | 70 | -51 | 63 | - | 406 | -87 |
| PECO Energy Co | 85 | 34 | 41 | 54 | -25 | 67 | 6 | -3 | -11 | 63 | 15 | 152 | -78 |
| Baltimore Gas and Electric Company | - | -21 | -14 | -70 | -3 | 138 | -15 | -1 | -43 | 102 | 14 | 77 | -75 |
| Pepco Holdings LLC | - | - | - | - | - | 19 | -106 | 45 | -17 | 49 | 34 | 30 | 40 |
| Potomac Electric Power Company | - | - | - | - | - | 32 | -63 | 59 | -39 | 41 | 16 | 24 | 6 |
| Delmarva Power & Light Company | - | - | - | - | - | -4 | -8 | 11 | 3 | 4 | 16 | 19 | -7 |
| Atlantic City Electric Company | - | - | - | - | - | 9 | -2 | -7 | 26 | 5 | 3 | -9 | 27 |
| Accounts payable and accrued expenses | 472 | -254 | -90 | 209 | -121 | 771 | -390 | 551 | -425 | -129 | 440 | 1,318 | -191 |
| Option premiums paid, net | 124 | 3 | 36 | -38 | -58 | - | - | 43 | 29 | 139 | - | - | - |
| Option premiums paid, net | 124 | 3 | 36 | -38 | -58 | - | - | 43 | 29 | 139 | - | - | - |
| Exelon Generation Co L L C | - | - | - | - | - | 923 | -129 | 64 | -481 | 479 | - | - | - |
| Commonwealth Edison Co | - | - | - | - | - | 7 | -26 | 11 | 48 | 14 | - | 51 | 69 |
| Baltimore Gas and Electric Company | - | - | - | - | - | - | - | 4 | -4 | - | - | 19 | -22 |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | - | - | - | 148 | -196 |
| Potomac Electric Power Company | - | - | - | - | - | - | - | - | - | - | - | 24 | -25 |
| Delmarva Power & Light Company | - | - | - | - | - | 1 | - | - | - | - | - | 78 | -121 |
| Atlantic City Electric Company | - | - | - | - | - | - | - | - | - | - | - | 46 | -50 |
| Collateral (paid) received, net | - | - | - | - | - | 931 | -158 | 82 | -438 | 494 | -74 | 1,248 | -146 |
| Exelon Generation Co L L C | - | - | - | - | - | 923 | -129 | 64 | -481 | 479 | - | - | - |
| Commonwealth Edison Co | - | - | - | - | - | 7 | -26 | 11 | 48 | 14 | - | 51 | 69 |
| Baltimore Gas and Electric Company | - | - | - | - | - | - | - | 4 | -4 | - | - | 19 | -22 |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | - | - | - | 148 | -196 |
| Potomac Electric Power Company | - | - | - | - | - | - | - | - | - | - | - | 24 | -25 |
| Delmarva Power & Light Company | - | - | - | - | - | 1 | - | - | - | - | - | 78 | -121 |
| Atlantic City Electric Company | - | - | - | - | - | - | - | - | - | - | - | 46 | -50 |
| Collateral (paid) received, net | - | - | - | - | - | 931 | -158 | 82 | -438 | 494 | -74 | 1,248 | -146 |
| Exelon Generation Co L L C | -303 | 193 | 402 | 265 | -18 | 182 | 496 | -193 | 302 | 186 | - | - | - |
| Commonwealth Edison Co | -233 | 223 | 178 | -159 | 192 | 306 | -308 | 62 | 95 | 8 | - | - | 106 |
| PECO Energy Co | 118 | -45 | 87 | -57 | -9 | 8 | 34 | 15 | -34 | 31 | 5 | -20 | 86 |
| Baltimore Gas and Electric Company | - | 35 | -33 | 45 | -54 | 18 | 60 | -20 | -67 | 60 | 20 | -17 | 37 |
| Pepco Holdings LLC | - | - | - | - | - | -22 | 79 | 34 | 16 | -25 | 17 | -1 | 65 |
| Potomac Electric Power Company | - | - | - | - | - | 110 | 81 | -13 | 9 | -1 | 11 | -19 | 60 |
| Delmarva Power & Light Company | - | - | - | - | - | 28 | 26 | 2 | 12 | -25 | 13 | - | 26 |
| Atlantic City Electric Company | - | - | - | - | - | 174 | -11 | -2 | 2 | -1 | - | 11 | - |
| Income taxes | -543 | 492 | 883 | -143 | 97 | 576 | 299 | 340 | -64 | 140 | 327 | -4 | 48 |
| Exelon Generation Co L L C | -303 | 193 | 402 | 265 | -18 | 182 | 496 | -193 | 302 | 186 | - | - | - |
| Commonwealth Edison Co | -233 | 223 | 178 | -159 | 192 | 306 | -308 | 62 | 95 | 8 | - | - | 106 |
| PECO Energy Co | 118 | -45 | 87 | -57 | -9 | 8 | 34 | 15 | -34 | 31 | 5 | -20 | 86 |
| Baltimore Gas and Electric Company | - | 35 | -33 | 45 | -54 | 18 | 60 | -20 | -67 | 60 | 20 | -17 | 37 |
| Pepco Holdings LLC | - | - | - | - | - | -22 | 79 | 34 | 16 | -25 | 17 | -1 | 65 |
| Potomac Electric Power Company | - | - | - | - | - | 110 | 81 | -13 | 9 | -1 | 11 | -19 | 60 |
| Delmarva Power & Light Company | - | - | - | - | - | 28 | 26 | 2 | 12 | -25 | 13 | - | 26 |
| Atlantic City Electric Company | - | - | - | - | - | 174 | -11 | -2 | 2 | -1 | - | 11 | - |
| Income taxes | -543 | 492 | 883 | -143 | 97 | 576 | 299 | 340 | -64 | 140 | 327 | -4 | 48 |
| Commonwealth Edison Co | - | - | - | - | - | - | - | - | - | - | - | -1,033 | -60 |
| PECO Energy Co | - | - | - | - | - | - | - | - | - | - | - | -45 | -31 |
| Baltimore Gas and Electric Company | - | - | - | - | - | - | - | - | - | - | - | -160 | -292 |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | - | - | - | -136 | 61 |
| Potomac Electric Power Company | - | - | - | - | - | - | - | - | - | - | - | -69 | 45 |
| Delmarva Power & Light Company | - | - | - | - | - | - | - | - | - | - | - | -34 | 25 |
| Atlantic City Electric Company | - | - | - | - | - | - | - | - | - | - | - | -19 | -47 |
| Regulatory assets and liabilities, net | - | - | - | - | - | - | - | - | - | - | - | -1,326 | 439 |
| Commonwealth Edison Co | - | - | - | - | - | - | - | - | - | - | - | -1,033 | -60 |
| PECO Energy Co | - | - | - | - | - | - | - | - | - | - | - | -45 | -31 |
| Baltimore Gas and Electric Company | - | - | - | - | - | - | - | - | - | - | - | -160 | -292 |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | - | - | - | -136 | 61 |
| Potomac Electric Power Company | - | - | - | - | - | - | - | - | - | - | - | -69 | 45 |
| Delmarva Power & Light Company | - | - | - | - | - | - | - | - | - | - | - | -34 | 25 |
| Atlantic City Electric Company | - | - | - | - | - | - | - | - | - | - | - | -19 | -47 |
| Regulatory assets and liabilities, net | - | - | - | - | - | - | - | - | - | - | - | -1,326 | 439 |
| Exelon Generation Co L L C | 445 | 1,070 | 149 | 297 | 245 | 152 | 148 | 139 | 175 | 255 | - | - | - |
| Commonwealth Edison Co | 317 | 977 | 122 | 248 | 150 | 38 | 41 | 42 | 77 | 148 | 196 | 184 | 41 |
| PECO Energy Co | 106 | 137 | 31 | 16 | 40 | 30 | 24 | 28 | 28 | 18 | 18 | 18 | 1 |
| Baltimore Gas and Electric Company | - | 67 | 24 | 17 | 17 | 49 | 53 | 54 | 48 | 78 | 81 | 68 | 19 |
| Pepco Holdings LLC | - | - | - | - | - | 86 | 99 | 62 | 25 | 39 | 48 | 78 | 24 |
| Potomac Electric Power Company | - | - | - | - | - | 32 | 72 | 17 | 14 | 11 | 11 | 11 | 12 |
| Delmarva Power & Light Company | - | - | - | - | - | 22 | 2 | - | 1 | - | 1 | 1 | 4 |
| Atlantic City Electric Company | - | - | - | - | - | 17 | 20 | 6 | 1 | 2 | 3 | 7 | 3 |
| Pension and non-pension postretirement benefit contributions | 959 | 2,360 | 422 | 617 | 502 | 397 | 405 | 383 | 408 | 601 | 665 | 616 | 129 |
| Exelon Generation Co L L C | 445 | 1,070 | 149 | 297 | 245 | 152 | 148 | 139 | 175 | 255 | - | - | - |
| Commonwealth Edison Co | 317 | 977 | 122 | 248 | 150 | 38 | 41 | 42 | 77 | 148 | 196 | 184 | 41 |
| PECO Energy Co | 106 | 137 | 31 | 16 | 40 | 30 | 24 | 28 | 28 | 18 | 18 | 18 | 1 |
| Baltimore Gas and Electric Company | - | 67 | 24 | 17 | 17 | 49 | 53 | 54 | 48 | 78 | 81 | 68 | 19 |
| Pepco Holdings LLC | - | - | - | - | - | 86 | 99 | 62 | 25 | 39 | 48 | 78 | 24 |
| Potomac Electric Power Company | - | - | - | - | - | 32 | 72 | 17 | 14 | 11 | 11 | 11 | 12 |
| Delmarva Power & Light Company | - | - | - | - | - | 22 | 2 | - | 1 | - | 1 | 1 | 4 |
| Atlantic City Electric Company | - | - | - | - | - | 17 | 20 | 6 | 1 | 2 | 3 | 7 | 3 |
| Pension and non-pension postretirement benefit contributions | 959 | 2,360 | 422 | 617 | 502 | 397 | 405 | 383 | 408 | 601 | 665 | 616 | 129 |
| Exelon Generation Co L L C | 45 | 57 | 136 | 249 | 207 | 231 | 168 | 158 | 467 | 4,362 | - | - | - |
| Commonwealth Edison Co | 133 | -45 | -188 | -45 | -69 | -105 | -6 | 348 | 345 | 590 | 531 | 134 | 70 |
| PECO Energy Co | -78 | -14 | 6 | 17 | 4 | 8 | 5 | -29 | 64 | -1 | 52 | -5 | -13 |
| Baltimore Gas and Electric Company | - | 161 | 64 | 163 | 173 | 43 | 150 | 92 | 192 | 70 | 269 | 33 | 13 |
| Pepco Holdings LLC | - | - | - | - | - | 311 | 258 | -178 | 179 | 104 | 182 | 149 | 101 |
| Potomac Electric Power Company | - | - | - | - | - | 128 | 142 | 164 | 82 | 24 | 163 | 66 | 5 |
| Delmarva Power & Light Company | - | - | - | - | - | 72 | 71 | 7 | 55 | 30 | 27 | 10 | -13 |
| Atlantic City Electric Company | - | - | - | - | - | 85 | 47 | 6 | 27 | 42 | -17 | 61 | 83 |
| Other assets and liabilities | 56 | 24 | -102 | 558 | 387 | 621 | 691 | 965 | 1,482 | 5,176 | 4,411 | 905 | 188 |
| Exelon Generation Co L L C | 45 | 57 | 136 | 249 | 207 | 231 | 168 | 158 | 467 | 4,362 | - | - | - |
| Commonwealth Edison Co | 133 | -45 | -188 | -45 | -69 | -105 | -6 | 348 | 345 | 590 | 531 | 134 | 70 |
| PECO Energy Co | -78 | -14 | 6 | 17 | 4 | 8 | 5 | -29 | 64 | -1 | 52 | -5 | -13 |
| Baltimore Gas and Electric Company | - | 161 | 64 | 163 | 173 | 43 | 150 | 92 | 192 | 70 | 269 | 33 | 13 |
| Pepco Holdings LLC | - | - | - | - | - | 311 | 258 | -178 | 179 | 104 | 182 | 149 | 101 |
| Potomac Electric Power Company | - | - | - | - | - | 128 | 142 | 164 | 82 | 24 | 163 | 66 | 5 |
| Delmarva Power & Light Company | - | - | - | - | - | 72 | 71 | 7 | 55 | 30 | 27 | 10 | -13 |
| Atlantic City Electric Company | - | - | - | - | - | 85 | 47 | 6 | 27 | 42 | -17 | 61 | 83 |
| Other assets and liabilities | 56 | 24 | -102 | 558 | 387 | 621 | 691 | 965 | 1,482 | 5,176 | 4,411 | 905 | 188 |
| Exelon Generation Co L L C | 3,032 | 3,313 | 3,887 | 1,826 | 4,199 | 4,444 | 3,299 | 3,861 | 2,873 | 584 | - | - | - |
| Commonwealth Edison Co | 1,077 | 836 | 1,218 | 1,326 | 1,896 | 2,505 | 1,527 | 1,749 | 1,703 | 1,324 | 1,595 | 1,197 | 1,848 |
| PECO Energy Co | 1,150 | 818 | 747 | 712 | 770 | 829 | 755 | 739 | 751 | 777 | 773 | 841 | 1,019 |
| Baltimore Gas and Electric Company | - | 476 | 561 | 740 | 782 | 945 | 821 | 789 | 748 | 884 | 729 | 760 | 951 |
| Pepco Holdings LLC | - | - | - | - | - | 888 | 950 | 1,132 | 1,117 | 1,002 | 1,157 | 1,250 | 1,304 |
| Potomac Electric Power Company | - | - | - | - | - | 651 | 407 | 474 | 512 | 501 | 462 | 471 | 699 |
| Delmarva Power & Light Company | - | - | - | - | - | 310 | 321 | 352 | 294 | 272 | 385 | 418 | 373 |
| Atlantic City Electric Company | - | - | - | - | - | 385 | 206 | 228 | 261 | 199 | 295 | 384 | 201 |
| Net cash flows provided by operating activities | 5,244 | 4,853 | 6,343 | 4,457 | 7,616 | 8,445 | 7,480 | 8,644 | 6,659 | 4,235 | 3,012 | 4,870 | 4,703 |
| Exelon Generation Co L L C | 1,883 | 2,491 | 2,752 | 3,012 | 3,841 | 3,078 | 2,259 | 2,242 | 1,845 | 1,747 | - | - | - |
| Commonwealth Edison Co | 962 | 1,028 | 1,433 | 1,689 | 2,398 | 2,734 | 2,250 | 2,126 | 1,915 | 2,217 | 2,387 | 2,506 | 2,576 |
| PECO Energy Co | 545 | 481 | 537 | 661 | 601 | 686 | 732 | 849 | 939 | 1,147 | 1,240 | 1,349 | 1,426 |
| Baltimore Gas and Electric Company | - | 592 | 587 | 620 | 719 | 934 | 882 | 959 | 1,145 | 1,247 | 1,226 | 1,262 | 1,367 |
| Pepco Holdings LLC | - | - | - | - | - | 1,008 | 1,396 | 1,375 | 1,355 | 1,604 | 1,720 | 1,709 | 1,988 |
| Potomac Electric Power Company | - | - | - | - | - | 586 | 628 | 656 | 626 | 773 | 843 | 874 | 957 |
| Delmarva Power & Light Company | - | - | - | - | - | 349 | 428 | 364 | 348 | 424 | 429 | 430 | 562 |
| Atlantic City Electric Company | - | - | - | - | - | 311 | 312 | 335 | 375 | 401 | 445 | 398 | 460 |
| Capital expenditures | 3,326 | 4,042 | 5,395 | 6,077 | 7,624 | 8,553 | 7,584 | 7,594 | 7,248 | 8,048 | 7,981 | 7,147 | 7,408 |
| Proceeds from NDT fund sales | 3,764 | 6,139 | 4,217 | 7,396 | 6,895 | 9,496 | 7,845 | 8,762 | 10,051 | 3,341 | - | - | - |
| Investment in NDT funds | 3,907 | 6,332 | 4,450 | 7,551 | 7,147 | 9,738 | 8,113 | 8,997 | 10,087 | 3,464 | - | - | - |
| Collection of DPP | - | - | - | - | - | - | - | - | - | 3,771 | - | - | - |
| Exelon Generation Co L L C | - | - | 32 | 1,719 | 147 | 37 | 218 | 90 | 52 | 46 | - | - | - |
| Pepco Holdings LLC | - | - | - | - | - | 24 | 1 | - | - | - | - | - | 10 |
| Potomac Electric Power Company | - | - | - | - | - | 12 | 1 | - | - | - | - | - | 10 |
| Delmarva Power & Light Company | - | - | - | - | - | 9 | - | - | - | - | - | - | - |
| Atlantic City Electric Company | - | - | - | - | - | 2 | - | - | - | - | - | - | - |
| Proceeds from Sale, Property, Held-for-Sale | - | - | - | 1,719 | 147 | 61 | 219 | 91 | 53 | 46 | 877 | 16 | 25 |
| Exelon Generation Co L L C | 893 | 387 | - | 386 | 40 | 293 | 235 | 154 | 41 | - | - | - | - |
| Pepco Holdings LLC | - | - | - | - | - | 6,933 | - | - | - | - | - | - | - |
| Potomac Electric Power Company | - | - | - | - | - | 33 | - | - | - | - | - | - | - |
| Acquisitions of assets and businesses, net | 893 | 387 | - | 386 | 40 | 6,934 | 208 | 154 | 41 | - | - | - | - |
| Exelon Generation Co L L C | -19 | 6 | -30 | 43 | 118 | 240 | 58 | -10 | -3 | -11 | - | - | - |
| Commonwealth Edison Co | -17 | -19 | -45 | -32 | -34 | -49 | -20 | -29 | -29 | -2 | -26 | -28 | -8 |
| PECO Energy Co | -11 | -8 | -8 | -12 | -14 | -20 | -4 | -9 | 1 | -7 | -9 | -8 | -2 |
| Baltimore Gas and Electric Company | - | - | -14 | -20 | -18 | -24 | -7 | -9 | -8 | -2 | -18 | -11 | -7 |
| Pepco Holdings LLC | - | - | - | - | - | 9 | 2 | -4 | 3 | -7 | -2 | -6 | -8 |
| Potomac Electric Power Company | - | - | - | - | - | 12 | 1 | -2 | -3 | - | 1 | -3 | -8 |
| Delmarva Power & Light Company | - | - | - | - | - | -4 | 1 | -2 | -1 | 3 | -4 | -3 | - |
| Atlantic City Electric Company | - | - | - | - | - | -2 | 1 | -1 | 1 | -6 | -1 | -1 | - |
| Other investing activities | -39 | -20 | -112 | 88 | 119 | 153 | 43 | -58 | -12 | -18 | -26 | - | -8 |
| Exelon Generation Co L L C | - | - | 32 | 1,719 | 147 | 37 | 218 | 90 | 52 | 46 | - | - | - |
| Pepco Holdings LLC | - | - | - | - | - | 24 | 1 | - | - | - | - | - | 10 |
| Potomac Electric Power Company | - | - | - | - | - | 12 | 1 | - | - | - | - | - | 10 |
| Delmarva Power & Light Company | - | - | - | - | - | 9 | - | - | - | - | - | - | - |
| Atlantic City Electric Company | - | - | - | - | - | 2 | - | - | - | - | - | - | - |
| Proceeds from Sale, Property, Held-for-Sale | - | - | - | 1,719 | 147 | 61 | 219 | 91 | 53 | 46 | 877 | 16 | 25 |
| Exelon Generation Co L L C | -2,896 | -3,077 | -2,916 | -1,767 | -4,069 | -3,851 | -2,592 | -2,531 | -1,867 | 1,958 | - | - | - |
| Commonwealth Edison Co | -939 | -1,007 | -1,387 | -1,655 | -2,362 | -2,685 | -2,296 | -2,097 | -1,886 | -2,215 | -2,361 | -2,478 | -2,568 |
| PECO Energy Co | -120 | -557 | -531 | -649 | -588 | -798 | -597 | -840 | -1,008 | -1,072 | -1,231 | -1,341 | -1,424 |
| Baltimore Gas and Electric Company | - | -592 | -571 | -622 | -675 | -910 | -849 | -950 | -1,137 | -1,245 | -1,208 | -1,251 | -1,360 |
| Pepco Holdings LLC | - | - | - | - | - | -1,030 | -1,396 | -1,371 | -1,358 | -1,597 | -1,718 | -1,703 | -1,970 |
| Potomac Electric Power Company | - | - | - | - | - | -647 | -630 | -654 | -623 | -773 | -844 | -871 | -939 |
| Delmarva Power & Light Company | - | - | - | - | - | -336 | -429 | -362 | -347 | -427 | -425 | -427 | -562 |
| Atlantic City Electric Company | - | - | - | - | - | -309 | -310 | -334 | -376 | -395 | -444 | -397 | -460 |
| Net cash flows used in investing activities | -3,894 | -4,603 | -5,394 | -4,599 | -7,822 | -15,503 | -7,934 | -7,834 | -7,260 | -4,336 | -3,317 | -6,990 | -7,375 |
| Exelon Generation Co L L C | - | - | - | - | - | - | - | - | - | - | - | - | - |
| PECO Energy Co | - | - | - | - | - | 131 | -131 | - | 68 | -68 | - | - | - |
| Exelon Generation Co L L C | -19 | 6 | -30 | 43 | 118 | 240 | 58 | -10 | -3 | -11 | - | - | - |
| Commonwealth Edison Co | -17 | -19 | -45 | -32 | -34 | -49 | -20 | -29 | -29 | -2 | -26 | -28 | -8 |
| PECO Energy Co | -11 | -8 | -8 | -12 | -14 | -20 | -4 | -9 | 1 | -7 | -9 | -8 | -2 |
| Baltimore Gas and Electric Company | - | - | -14 | -20 | -18 | -24 | -7 | -9 | -8 | -2 | -18 | -11 | -7 |
| Pepco Holdings LLC | - | - | - | - | - | 9 | 2 | -4 | 3 | -7 | -2 | -6 | -8 |
| Potomac Electric Power Company | - | - | - | - | - | 12 | 1 | -2 | -3 | - | 1 | -3 | -8 |
| Delmarva Power & Light Company | - | - | - | - | - | -4 | 1 | -2 | -1 | 3 | -4 | -3 | - |
| Atlantic City Electric Company | - | - | - | - | - | -2 | 1 | -1 | 1 | -6 | -1 | -1 | - |
| Other investing activities | -39 | -20 | -112 | 88 | 119 | 153 | 43 | -58 | -12 | -18 | -26 | - | -8 |
| Exelon Generation Co L L C | -2,896 | -3,077 | -2,916 | -1,767 | -4,069 | -3,851 | -2,592 | -2,531 | -1,867 | 1,958 | - | - | - |
| Commonwealth Edison Co | -939 | -1,007 | -1,387 | -1,655 | -2,362 | -2,685 | -2,296 | -2,097 | -1,886 | -2,215 | -2,361 | -2,478 | -2,568 |
| PECO Energy Co | -120 | -557 | -531 | -649 | -588 | -798 | -597 | -840 | -1,008 | -1,072 | -1,231 | -1,341 | -1,424 |
| Baltimore Gas and Electric Company | - | -592 | -571 | -622 | -675 | -910 | -849 | -950 | -1,137 | -1,245 | -1,208 | -1,251 | -1,360 |
| Pepco Holdings LLC | - | - | - | - | - | -1,030 | -1,396 | -1,371 | -1,358 | -1,597 | -1,718 | -1,703 | -1,970 |
| Potomac Electric Power Company | - | - | - | - | - | -647 | -630 | -654 | -623 | -773 | -844 | -871 | -939 |
| Delmarva Power & Light Company | - | - | - | - | - | -336 | -429 | -362 | -347 | -427 | -425 | -427 | -562 |
| Atlantic City Electric Company | - | - | - | - | - | -309 | -310 | -334 | -376 | -395 | -444 | -397 | -460 |
| Net cash flows used in investing activities | -3,894 | -4,603 | -5,394 | -4,599 | -7,822 | -15,503 | -7,934 | -7,834 | -7,260 | -4,336 | -3,317 | -6,990 | -7,375 |
| Exelon Generation Co L L C | - | - | 13 | 17 | - | 620 | -620 | - | 320 | 20 | - | - | - |
| Commonwealth Edison Co | -155 | - | 184 | 120 | -10 | -294 | - | - | 130 | 193 | -323 | 427 | -225 |
| PECO Energy Co | - | - | -210 | - | - | - | - | - | - | - | - | 239 | -74 |
| Baltimore Gas and Electric Company | - | - | 135 | -15 | 90 | -165 | 32 | -42 | 40 | -76 | 130 | 278 | -72 |
| Pepco Holdings LLC | - | - | - | - | - | - | - | -296 | 154 | 160 | 100 | -54 | -20 |
| Potomac Electric Power Company | - | - | - | - | - | - | - | 14 | 42 | -47 | 140 | 124 | -167 |
| Delmarva Power & Light Company | - | - | - | - | - | - | - | -216 | 56 | 90 | 3 | -34 | -52 |
| Atlantic City Electric Company | - | - | - | - | - | - | - | -94 | 56 | 117 | -43 | -144 | 199 |
| Changes in short-term borrowings | -155 | 161 | 332 | 122 | 80 | 240 | 621 | -338 | 781 | 161 | 269 | 986 | -313 |
| Exelon Generation Co L L C | - | - | - | - | - | - | - | 1 | - | 500 | - | - | - |
| Commonwealth Edison Co | - | - | - | - | - | - | - | - | - | - | - | 150 | 400 |
| Pepco Holdings LLC | - | - | - | - | - | - | - | 125 | - | - | - | - | - |
| Atlantic City Electric Company | - | - | - | - | - | - | - | 125 | - | - | - | - | - |
| Proceeds from Short-Term Debt, Maturing in More than Three Months | - | - | - | - | - | - | - | 126 | - | 500 | 1,380 | 1,300 | 400 |
| Exelon Generation Co L L C | - | - | - | - | - | - | - | 1 | - | - | - | - | - |
| Commonwealth Edison Co | - | - | - | - | - | - | - | - | - | - | - | - | 150 |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | 125 | - | - | - | - |
| Atlantic City Electric Company | - | - | - | - | - | - | - | - | 125 | - | - | - | - |
| Repayments on short-term borrowings with maturities greater than 90 days | - | - | - | - | - | - | - | 1 | 125 | - | 350 | 1,500 | 150 |
| Exelon Generation Co L L C | 898 | - | 854 | 1,112 | 1,309 | 388 | 1,645 | 15 | 42 | 3,155 | - | - | - |
| Commonwealth Edison Co | 500 | 1,199 | 350 | 900 | 850 | 1,200 | 1,000 | 1,350 | 700 | 1,000 | 1,150 | 750 | 975 |
| PECO Energy Co | - | - | 550 | 300 | 350 | 300 | 325 | 700 | 325 | 350 | 750 | 775 | 575 |
| Baltimore Gas and Electric Company | - | 300 | 300 | - | - | 850 | 300 | 300 | 400 | 400 | 600 | 500 | 700 |
| Pepco Holdings LLC | - | - | - | - | - | 179 | 202 | 750 | 485 | 602 | 825 | 925 | 1,075 |
| Potomac Electric Power Company | - | - | - | - | - | 4 | 202 | 200 | 260 | 300 | 275 | 625 | 350 |
| Delmarva Power & Light Company | - | - | - | - | - | 175 | - | 200 | 75 | 178 | 125 | 125 | 650 |
| Atlantic City Electric Company | - | - | - | - | - | - | - | 350 | 150 | 123 | 425 | 175 | 75 |
| Issuance of long-term debt | 1,398 | 1,199 | 2,055 | 3,463 | 6,709 | 4,716 | 3,470 | 3,115 | 1,951 | 7,507 | 3,481 | 6,309 | 5,825 |
| Exelon Generation Co L L C | 215 | 2 | 570 | 586 | 89 | 202 | 1,261 | 141 | 813 | 4,334 | - | - | - |
| Commonwealth Edison Co | 213 | 537 | 252 | 617 | 260 | 665 | 425 | 840 | 300 | 500 | 350 | - | - |
| PECO Energy Co | - | 250 | 300 | 250 | - | 300 | - | 500 | - | - | 300 | 350 | 50 |
| Baltimore Gas and Electric Company | - | 82 | 467 | 70 | 75 | 379 | 41 | - | - | - | 300 | 250 | 300 |
| Pepco Holdings LLC | - | - | - | - | - | 338 | 169 | 299 | 157 | 128 | 260 | 310 | 500 |
| Potomac Electric Power Company | - | - | - | - | - | 11 | 13 | 14 | 125 | 3 | - | 310 | - |
| Delmarva Power & Light Company | - | - | - | - | - | 100 | 40 | 4 | 12 | 80 | - | - | 500 |
| Atlantic City Electric Company | - | - | - | - | - | 48 | 35 | 281 | 18 | 44 | 260 | - | - |
| Retirement of long-term debt | 828 | 789 | 1,589 | 1,545 | 2,687 | 1,936 | 2,490 | 1,786 | 1,287 | 6,440 | 1,640 | 2,073 | 1,713 |
| Repayment of long term debt to affiliate | - | - | - | - | - | - | - | - | - | -550 | - | - | - |
| Proceeds from Issuance of Common Stock | - | - | - | - | 1,868 | - | - | - | - | - | - | 563 | 140 |
| Exelon Generation Co L L C | - | - | - | - | 550 | - | - | - | - | - | - | - | - |
| PECO Energy Co | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Baltimore Gas and Electric Company | - | - | - | - | - | - | 250 | - | - | - | - | - | - |
| Retirement of long-term debt to financing trust | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Commonwealth Edison Co | 310 | 300 | 220 | 307 | 299 | 369 | 422 | 459 | 508 | 499 | 507 | 578 | 746 |
| PECO Energy Co | 224 | 348 | 332 | 320 | 279 | 277 | 288 | 306 | 358 | 340 | 339 | 399 | 405 |
| Baltimore Gas and Electric Company | - | 85 | - | - | 158 | 179 | 198 | 209 | 224 | 246 | 292 | 300 | 316 |
| Pepco Holdings LLC | - | - | - | - | - | 273 | 311 | 326 | - | - | - | - | - |
| Potomac Electric Power Company | - | - | - | - | - | 136 | 133 | 169 | 213 | 232 | 268 | 463 | 252 |
| Delmarva Power & Light Company | - | - | - | - | - | 54 | 112 | 96 | 139 | 141 | 147 | 143 | 133 |
| Atlantic City Electric Company | - | - | - | - | - | 63 | 68 | 59 | 124 | 114 | 288 | 145 | 126 |
| Dividends paid on common stock | 1,389 | 1,393 | 1,249 | 1,065 | 1,105 | 1,166 | 1,236 | 1,332 | 1,408 | 1,492 | 1,497 | 1,334 | 1,433 |
| Proceeds from Issuance of Common Stock | - | - | - | - | 1,868 | - | - | - | - | - | - | 563 | 140 |
| Changes in Exelon/PHI intercompany money pool | - | - | - | - | - | - | - | - | - | - | - | 37 | - |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Proceeds from Stock Plans | 48 | 38 | 47 | 35 | 32 | 55 | 150 | 105 | 112 | 45 | 80 | 36 | 41 |
| Exelon Generation Co L L C | 1,508 | 172 | 625 | 645 | 2,474 | 922 | 659 | 1,001 | 899 | 1,734 | - | - | - |
| Pepco Holdings LLC | - | - | - | - | - | 273 | 311 | 326 | 526 | 553 | 703 | 750 | - |
| Transfer of cash, restricted cash, and cash equivalents to Constellation | - | - | - | - | - | - | - | - | - | - | - | -2,594 | - |
| Exelon Generation Co L L C | 62 | 30 | 26 | 53 | 47 | 142 | 102 | 155 | 41 | 64 | - | - | - |
| Commonwealth Edison Co | - | 11,000,000 | - | - | - | - | - | - | - | - | - | - | - |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | 398 | 494 | 683 | 787 | - |
| Atlantic City Electric Company | - | - | - | - | - | 139 | - | 67 | - | - | - | - | - |
| Exelon Generation Co L L C | -16 | -52 | -82 | -67 | 26 | -19 | -54 | -55 | -51 | -70 | - | - | - |
| Commonwealth Edison Co | -3 | -7 | -1 | -10 | -16 | -18 | -15 | -17 | -16 | -13 | -16 | -11 | -14 |
| PECO Energy Co | - | -5 | -2 | -4 | -4 | -4 | -3 | -22 | -6 | -4 | -9 | -15 | -6 |
| Baltimore Gas and Electric Company | - | -5 | -3 | 13 | -13 | -11 | -5 | -2 | -8 | -8 | -6 | -11 | -7 |
| Pepco Holdings LLC | - | - | - | - | - | -5 | -2 | -9 | -5 | -10 | -17 | -22 | -41 |
| Potomac Electric Power Company | - | - | - | - | - | -3 | -1 | -4 | -3 | -6 | -6 | -10 | -26 |
| Delmarva Power & Light Company | - | - | - | - | - | -1 | - | -2 | -1 | -2 | -5 | -5 | -11 |
| Atlantic City Electric Company | - | - | - | - | - | -1 | - | -3 | -1 | -1 | -5 | -5 | -5 |
| Other financing activities | -16 | -62 | -119 | -178 | -67 | -85 | -83 | -108 | -82 | -136 | -80 | -102 | -114 |
| Commonwealth Edison Co | 310 | 300 | 220 | 307 | 299 | 369 | 422 | 459 | 508 | 499 | 507 | 578 | 746 |
| PECO Energy Co | 224 | 348 | 332 | 320 | 279 | 277 | 288 | 306 | 358 | 340 | 339 | 399 | 405 |
| Baltimore Gas and Electric Company | - | 85 | - | - | 158 | 179 | 198 | 209 | 224 | 246 | 292 | 300 | 316 |
| Pepco Holdings LLC | - | - | - | - | - | 273 | 311 | 326 | - | - | - | - | - |
| Potomac Electric Power Company | - | - | - | - | - | 136 | 133 | 169 | 213 | 232 | 268 | 463 | 252 |
| Delmarva Power & Light Company | - | - | - | - | - | 54 | 112 | 96 | 139 | 141 | 147 | 143 | 133 |
| Atlantic City Electric Company | - | - | - | - | - | 63 | 68 | 59 | 124 | 114 | 288 | 145 | 126 |
| Dividends paid on common stock | 1,389 | 1,393 | 1,249 | 1,065 | 1,105 | 1,166 | 1,236 | 1,332 | 1,408 | 1,492 | 1,497 | 1,334 | 1,433 |
| Exelon Generation Co L L C | -779 | -196 | -384 | -537 | -479 | -734 | -581 | -981 | -1,460 | -2,664 | - | - | - |
| Commonwealth Edison Co | -179 | 355 | 61 | 359 | 467 | 169 | 789 | 534 | 256 | 893 | 745 | 1,408 | 895 |
| PECO Energy Co | -811 | -589 | -361 | -250 | 83 | -263 | 50 | -39 | 149 | 294 | 476 | 524 | 388 |
| Baltimore Gas and Electric Company | - | 115 | -48 | -85 | -162 | -21 | 22 | 156 | 401 | 481 | 389 | 503 | 390 |
| Pepco Holdings LLC | - | - | - | - | - | -7 | 306 | 330 | 236 | 574 | 614 | 613 | 497 |
| Potomac Electric Power Company | - | - | - | - | - | - | 219 | 193 | 121 | 274 | 385 | 431 | 213 |
| Delmarva Power & Light Company | - | - | - | - | - | 67 | 64 | 32 | 42 | 157 | 96 | 90 | 53 |
| Atlantic City Electric Company | - | - | - | - | - | 22 | 5 | 105 | 113 | 198 | 148 | 56 | 208 |
| Net cash flows provided by (used in) financing activities | -1,748 | -846 | -826 | 411 | 4,830 | 1,191 | 717 | -219 | -58 | 145 | 758 | 1,591 | 2,683 |
| Acquisition of CENG noncontrolling interest | - | - | - | - | - | - | - | - | - | - | 885 | - | - |
| Exelon Generation Co L L C | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Commonwealth Edison Co | 2 | - | 176 | 273 | 202 | 315 | 651 | 500 | 250 | 712 | 791 | 670 | - |
| PECO Energy Co | 43 | 18 | 27 | 24 | 16 | 18 | 16 | 89 | 188 | 248 | 414 | 274 | - |
| Baltimore Gas and Electric Company | - | - | - | - | 7 | 61 | 184 | 109 | 193 | 411 | 257 | 286 | - |
| Pepco Holdings LLC | - | - | - | - | - | 1,251 | 758 | 385 | - | - | - | - | - |
| Potomac Electric Power Company | - | - | - | - | - | 187 | 161 | 166 | 160 | 262 | 244 | 465 | - |
| Delmarva Power & Light Company | - | - | - | - | - | 152 | - | 150 | 63 | 112 | 120 | 147 | - |
| Atlantic City Electric Company | - | - | - | - | - | 139 | - | 67 | 175 | 117 | 319 | 175 | - |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Proceeds from Stock Plans | 48 | 38 | 47 | 35 | 32 | 55 | 150 | 105 | 112 | 45 | 80 | 36 | 41 |
| Transfer of cash, restricted cash, and cash equivalents to Constellation | - | - | - | - | - | - | - | - | - | - | - | -2,594 | - |
| Sale of noncontrolling interest | - | - | - | - | - | 372 | 396 | - | - | - | - | - | - |
| Exelon Generation Co L L C | -16 | -52 | -82 | -67 | 26 | -19 | -54 | -55 | -51 | -70 | - | - | - |
| Commonwealth Edison Co | -3 | -7 | -1 | -10 | -16 | -18 | -15 | -17 | -16 | -13 | -16 | -11 | -14 |
| PECO Energy Co | - | -5 | -2 | -4 | -4 | -4 | -3 | -22 | -6 | -4 | -9 | -15 | -6 |
| Baltimore Gas and Electric Company | - | -5 | -3 | 13 | -13 | -11 | -5 | -2 | -8 | -8 | -6 | -11 | -7 |
| Pepco Holdings LLC | - | - | - | - | - | -5 | -2 | -9 | -5 | -10 | -17 | -22 | -41 |
| Potomac Electric Power Company | - | - | - | - | - | -3 | -1 | -4 | -3 | -6 | -6 | -10 | -26 |
| Delmarva Power & Light Company | - | - | - | - | - | -1 | - | -2 | -1 | -2 | -5 | -5 | -11 |
| Atlantic City Electric Company | - | - | - | - | - | -1 | - | -3 | -1 | -1 | -5 | -5 | -5 |
| Other financing activities | -16 | -62 | -119 | -178 | -67 | -85 | -83 | -108 | -82 | -136 | -80 | -102 | -114 |
| Exelon Generation Co L L C | -779 | -196 | -384 | -537 | -479 | -734 | -581 | -981 | -1,460 | -2,664 | - | - | - |
| Commonwealth Edison Co | -179 | 355 | 61 | 359 | 467 | 169 | 789 | 534 | 256 | 893 | 745 | 1,408 | 895 |
| PECO Energy Co | -811 | -589 | -361 | -250 | 83 | -263 | 50 | -39 | 149 | 294 | 476 | 524 | 388 |
| Baltimore Gas and Electric Company | - | 115 | -48 | -85 | -162 | -21 | 22 | 156 | 401 | 481 | 389 | 503 | 390 |
| Pepco Holdings LLC | - | - | - | - | - | -7 | 306 | 330 | 236 | 574 | 614 | 613 | 497 |
| Potomac Electric Power Company | - | - | - | - | - | - | 219 | 193 | 121 | 274 | 385 | 431 | 213 |
| Delmarva Power & Light Company | - | - | - | - | - | 67 | 64 | 32 | 42 | 157 | 96 | 90 | 53 |
| Atlantic City Electric Company | - | - | - | - | - | 22 | 5 | 105 | 113 | 198 | 148 | 56 | 208 |
| Net cash flows provided by (used in) financing activities | -1,748 | -846 | -826 | 411 | 4,830 | 1,191 | 717 | -219 | -58 | 145 | 758 | 1,591 | 2,683 |
| Commonwealth Edison Co | - | - | - | - | - | - | - | - | - | - | -21 | 127 | 175 |
| PECO Energy Co | - | - | - | - | - | - | - | - | - | - | 18 | 24 | -17 |
| Baltimore Gas and Electric Company | - | - | - | - | - | - | - | - | - | - | -90 | 12 | -19 |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | - | - | 53 | 160 | -169 |
| Potomac Electric Power Company | - | - | - | - | - | - | - | - | - | - | 3 | 31 | -27 |
| Delmarva Power & Light Company | - | - | - | - | - | - | - | - | - | - | 56 | 81 | -136 |
| Atlantic City Electric Company | - | - | - | - | - | - | - | - | - | - | -1 | 43 | -51 |
| Increase (decrease) in cash, restricted cash, and cash equivalents | - | - | - | - | - | - | - | - | - | - | 453 | -529 | 11 |
| Exelon Generation Co L L C | - | - | - | - | - | - | - | - | -34 | -88 | - | - | - |
| Commonwealth Edison Co | - | - | - | - | - | - | - | - | -37 | 109 | -46 | -20 | -10 |
| PECO Energy Co | - | - | - | - | - | - | - | - | 40 | 55 | 26 | 9 | -56 |
| Baltimore Gas and Electric Company | - | - | - | - | - | - | - | - | 6 | 53 | -59 | 35 | -44 |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | 2 | 54 | -6 | 136 | -109 |
| Potomac Electric Power Company | - | - | - | - | - | - | - | - | 39 | 1 | 30 | 65 | -55 |
| Delmarva Power & Light Company | - | - | - | - | - | - | - | - | -4 | 20 | -18 | 23 | -6 |
| Atlantic City Electric Company | - | - | - | - | - | - | - | - | -29 | 33 | -18 | 48 | -47 |
| (Decrease) increase in capital expenditures not paid | - | - | - | - | - | - | - | - | - | - | 16 | 36 | -215 |
| Increase in DPP | - | - | - | - | - | - | - | - | - | 4,441 | - | - | - |
| Exelon Generation Co L L C | - | - | - | - | - | - | - | - | 959 | 850 | - | - | - |
| Commonwealth Edison Co | - | - | - | - | - | - | - | - | 7 | - | - | - | - |
| (Decrease) increase in PP&E related to ARO update | - | - | - | - | - | - | - | - | 968 | 850 | 642 | 332 | -13 |
| Exelon Generation Co L L C | - | - | 1,070 | 1,019 | 1,372 | 558 | 2,771 | 443 | 1,217 | 589 | - | - | - |
| Commonwealth Edison Co | - | - | 249 | 408 | 426 | 378 | 567 | 664 | 688 | 438 | 742 | 917 | 1,090 |
| PECO Energy Co | - | - | 395 | 352 | 378 | 438 | 434 | 460 | 528 | 447 | 504 | 576 | 563 |
| Baltimore Gas and Electric Company | - | - | 210 | 211 | 288 | 294 | 307 | 313 | 360 | 349 | 408 | 380 | 485 |
| Pepco Holdings LLC | - | - | - | - | - | -61 | 362 | 398 | 477 | 495 | 561 | 608 | 590 |
| Potomac Electric Power Company | - | - | - | - | - | 42 | 205 | 210 | 243 | 266 | 296 | 305 | 306 |
| Delmarva Power & Light Company | - | - | - | - | - | -9 | 121 | 120 | 147 | 125 | 128 | 169 | 177 |
| Atlantic City Electric Company | - | - | - | - | - | -42 | 77 | 75 | 99 | 112 | 146 | 148 | 120 |
| Net income | - | - | 1,729 | 1,820 | 2,250 | 1,204 | 3,849 | 2,084 | 3,028 | 1,954 | 1,829 | 2,171 | 2,328 |
| Exelon Generation Co L L C | 1,341 | 1,539 | 2,559 | 2,519 | 2,589 | 3,519 | 3,056 | 3,415 | 3,063 | 3,636 | - | - | - |
| Commonwealth Edison Co | 517 | 554 | 669 | 687 | 707 | 775 | 850 | 940 | 1,033 | 1,133 | 1,205 | 1,323 | 1,403 |
| PECO Energy Co | 1,060 | 202 | 228 | 236 | 260 | 270 | 286 | 301 | 333 | 347 | 348 | 373 | 397 |
| Baltimore Gas and Electric Company | - | 274 | 348 | 371 | 366 | 423 | 473 | 483 | 502 | 550 | 591 | 630 | 654 |
| Pepco Holdings LLC | - | - | - | - | - | 515 | 675 | 740 | 754 | 782 | 821 | 938 | 990 |
| Potomac Electric Power Company | - | - | - | - | - | 295 | 321 | 385 | 374 | 377 | 403 | 417 | 441 |
| Delmarva Power & Light Company | - | - | - | - | - | 157 | 167 | 182 | 184 | 191 | 210 | 232 | 244 |
| Atlantic City Electric Company | - | - | - | - | - | 165 | 146 | 136 | 157 | 180 | 179 | 261 | 283 |
| Depreciation and amortization | 2,943 | 2,316 | 3,779 | 3,868 | 3,987 | 5,576 | 5,427 | 5,971 | 5,780 | 6,527 | 7,573 | 3,533 | 3,506 |
| Exelon Generation Co L L C | - | - | - | 663 | 12 | 243 | 510 | 50 | 201 | 563 | - | - | - |
| Commonwealth Edison Co | - | - | - | - | - | - | - | - | - | 15 | - | - | - |
| Baltimore Gas and Electric Company | - | - | - | - | - | 52 | 7 | - | - | - | - | 48 | - |
| Pepco Holdings LLC | - | - | - | - | - | - | 52 | - | - | 13 | - | - | - |
| Potomac Electric Power Company | - | - | - | - | - | - | 14 | - | - | - | - | - | - |
| Delmarva Power & Light Company | - | - | - | - | - | - | 6 | - | - | 7 | - | - | - |
| Atlantic City Electric Company | - | - | - | - | - | - | 7 | - | - | 6 | - | - | - |
| Asset impairments | - | - | - | 687 | 36 | 306 | 573 | 50 | 201 | 591 | 552 | 48 | - |
| Exelon Generation Co L L C | - | - | - | 437 | 12 | - | - | 48 | 27 | 11 | - | - | - |
| Commonwealth Edison Co | - | - | - | 2 | 1 | - | - | - | - | - | - | - | - |
| PECO Energy Co | - | - | - | - | - | - | - | - | 1 | - | - | - | - |
| Gain on sales of assets and businesses | - | - | - | 437 | 18 | - | - | 56 | 27 | 24 | 201 | 8 | 10 |
| Bargain purchase gain | - | - | - | - | - | - | 233 | - | - | - | - | - | - |
| Exelon Generation Co L L C | 741 | 551 | 315 | -198 | 49 | -269 | -2,022 | -451 | 361 | 78 | - | - | - |
| Commonwealth Edison Co | 582 | 700 | -57 | 433 | 353 | 439 | 659 | 259 | 109 | 228 | 244 | 241 | 196 |
| PECO Energy Co | -400 | 253 | 20 | 88 | 90 | 78 | 19 | -5 | 20 | -23 | 11 | 70 | -43 |
| Baltimore Gas and Electric Company | - | 145 | 125 | 116 | 165 | 118 | 145 | 76 | 130 | 37 | -17 | 9 | 66 |
| Pepco Holdings LLC | - | - | - | - | - | 295 | 252 | 32 | -7 | -97 | 24 | -9 | 29 |
| Potomac Electric Power Company | - | - | - | - | - | 153 | 113 | -18 | 1 | -46 | -8 | -17 | -15 |
| Delmarva Power & Light Company | - | - | - | - | - | 109 | 89 | 24 | -7 | -13 | 39 | 16 | 4 |
| Atlantic City Electric Company | - | - | - | - | - | 22 | 32 | 25 | 3 | -37 | -15 | -2 | 27 |
| Deferred Income Taxes and Tax Credits | 981 | 1,457 | 119 | 502 | 752 | 664 | -361 | -106 | 681 | 309 | 18 | 255 | 319 |
| Gain on deconsolidation of business | - | - | - | - | - | - | 213 | - | - | 125 | - | - | - |
| Exelon Generation Co L L C | 88 | -291 | 448 | -635 | 249 | - | 6 | 17 | -204 | 280 | - | - | - |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Net fair value changes related to derivatives | 88 | -291 | 445 | -716 | 367 | -24 | -151 | -294 | -222 | 268 | 568 | 53 | -22 |
| Exelon Generation Co L L C | 741 | 551 | 315 | -198 | 49 | -269 | -2,022 | -451 | 361 | 78 | - | - | - |
| Commonwealth Edison Co | 582 | 700 | -57 | 433 | 353 | 439 | 659 | 259 | 109 | 228 | 244 | 241 | 196 |
| PECO Energy Co | -400 | 253 | 20 | 88 | 90 | 78 | 19 | -5 | 20 | -23 | 11 | 70 | -43 |
| Baltimore Gas and Electric Company | - | 145 | 125 | 116 | 165 | 118 | 145 | 76 | 130 | 37 | -17 | 9 | 66 |
| Pepco Holdings LLC | - | - | - | - | - | 295 | 252 | 32 | -7 | -97 | 24 | -9 | 29 |
| Potomac Electric Power Company | - | - | - | - | - | 153 | 113 | -18 | 1 | -46 | -8 | -17 | -15 |
| Delmarva Power & Light Company | - | - | - | - | - | 109 | 89 | 24 | -7 | -13 | 39 | 16 | 4 |
| Atlantic City Electric Company | - | - | - | - | - | 22 | 32 | 25 | 3 | -37 | -15 | -2 | 27 |
| Deferred Income Taxes and Tax Credits | 981 | 1,457 | 119 | 502 | 752 | 664 | -361 | -106 | 681 | 309 | 18 | 255 | 319 |
| Exelon Generation Co L L C | 105 | -14 | 170 | 210 | -131 | 229 | 616 | -303 | 663 | 461 | - | - | - |
| PECO Energy Co | - | - | - | - | -2 | - | - | - | - | - | - | - | - |
| Net realized and unrealized gains on NDT fund investments | 105 | -14 | 170 | 210 | -131 | 229 | 616 | -303 | 663 | 461 | 586 | -205 | - |
| Exelon Generation Co L L C | 88 | -291 | 448 | -635 | 249 | - | 6 | 17 | -204 | 280 | - | - | - |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Net fair value changes related to derivatives | 88 | -291 | 445 | -716 | 367 | -24 | -151 | -294 | -222 | 268 | 568 | 53 | -22 |
| Exelon Generation Co L L C | 105 | -14 | 170 | 210 | -131 | 229 | 616 | -303 | 663 | 461 | - | - | - |
| PECO Energy Co | - | - | - | - | -2 | - | - | - | - | - | - | - | - |
| Net realized and unrealized gains on NDT fund investments | 105 | -14 | 170 | 210 | -131 | 229 | 616 | -303 | 663 | 461 | 586 | -205 | - |
| Exelon Generation Co L L C | - | -421 | -414 | -346 | -268 | -15 | -112 | -298 | -124 | 18 | - | - | - |
| Commonwealth Edison Co | - | -184 | -28 | -255 | -416 | -215 | -164 | -242 | 265 | 202 | 126 | 165 | 536 |
| PECO Energy Co | - | -100 | -108 | -92 | -70 | -65 | -54 | -51 | 38 | 24 | - | -40 | -13 |
| Baltimore Gas and Electric Company | - | -129 | -153 | -180 | -137 | -88 | -65 | -58 | 85 | 97 | 75 | -135 | 1 |
| Pepco Holdings LLC | - | - | - | - | - | -514 | -59 | 143 | 161 | 103 | -12 | -163 | -110 |
| Potomac Electric Power Company | - | - | - | - | - | -183 | 5 | -60 | 56 | -23 | -52 | -36 | -53 |
| Delmarva Power & Light Company | - | - | - | - | - | -114 | -9 | -24 | 27 | 51 | 3 | -29 | -13 |
| Atlantic City Electric Company | - | - | - | - | - | -155 | -17 | -24 | 22 | 36 | - | -46 | - |
| Other non-cash operating activities | - | -770 | -876 | -1,054 | -1,109 | -1,333 | -721 | -1,124 | 613 | 592 | -200 | -370 | 335 |
| Net unrealized losses (gains) on equity investments | - | - | - | - | - | - | - | - | - | 186 | - | - | - |
| Exelon Generation Co L L C | - | -421 | -414 | -346 | -268 | -15 | -112 | -298 | -124 | 18 | - | - | - |
| Commonwealth Edison Co | - | -184 | -28 | -255 | -416 | -215 | -164 | -242 | 265 | 202 | 126 | 165 | 536 |
| PECO Energy Co | - | -100 | -108 | -92 | -70 | -65 | -54 | -51 | 38 | 24 | - | -40 | -13 |
| Baltimore Gas and Electric Company | - | -129 | -153 | -180 | -137 | -88 | -65 | -58 | 85 | 97 | 75 | -135 | 1 |
| Pepco Holdings LLC | - | - | - | - | - | -514 | -59 | 143 | 161 | 103 | -12 | -163 | -110 |
| Potomac Electric Power Company | - | - | - | - | - | -183 | 5 | -60 | 56 | -23 | -52 | -36 | -53 |
| Delmarva Power & Light Company | - | - | - | - | - | -114 | -9 | -24 | 27 | 51 | 3 | -29 | -13 |
| Atlantic City Electric Company | - | - | - | - | - | -155 | -17 | -24 | 22 | 36 | - | -46 | - |
| Other non-cash operating activities | - | -770 | -876 | -1,054 | -1,109 | -1,333 | -721 | -1,124 | 613 | 592 | -200 | -370 | 335 |
| Exelon Generation Co L L C | - | 122 | -109 | 215 | -194 | 152 | 276 | 359 | 186 | -1,125 | - | - | - |
| Commonwealth Edison Co | 46 | -5 | 12 | 121 | 93 | 25 | 59 | 136 | 34 | 10 | 25 | 163 | 138 |
| PECO Energy Co | 212 | -225 | 79 | 16 | -37 | 71 | 44 | 74 | 29 | 88 | 35 | 205 | -67 |
| Baltimore Gas and Electric Company | - | -60 | 127 | -46 | -84 | 98 | 5 | -8 | -25 | 165 | -30 | 197 | -89 |
| Pepco Holdings LLC | - | - | - | - | - | 21 | 26 | -2 | 39 | 159 | 48 | 184 | 79 |
| Potomac Electric Power Company | - | - | - | - | - | 41 | 20 | 5 | 22 | 67 | 28 | 104 | 29 |
| Delmarva Power & Light Company | - | - | - | - | - | 5 | 22 | -8 | 5 | 34 | -15 | 59 | -6 |
| Atlantic City Electric Company | - | - | - | - | - | 8 | -14 | 8 | 13 | 55 | 37 | 19 | 57 |
| Accounts receivable | 232 | -57 | 97 | 318 | -240 | 432 | 426 | 565 | 243 | -697 | 703 | 1,222 | 37 |
| Exelon Generation Co L L C | - | - | - | - | - | - | - | - | -52 | 24 | - | - | - |
| Commonwealth Edison Co | - | - | - | - | - | - | - | - | -12 | -1 | 32 | -34 | - |
| PECO Energy Co | - | - | - | - | - | - | - | - | -5 | -6 | 21 | -31 | - |
| Baltimore Gas and Electric Company | - | - | - | - | - | - | - | - | 1 | -8 | -13 | -2 | - |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | 3 | 3 | 6 | -46 | - |
| Potomac Electric Power Company | - | - | - | - | - | - | - | - | 5 | -12 | 6 | -33 | - |
| Delmarva Power & Light Company | - | - | - | - | - | - | - | - | -5 | 8 | -3 | -10 | - |
| Atlantic City Electric Company | - | - | - | - | - | - | - | - | -6 | 6 | 4 | -4 | - |
| Exelon Generation Co L L C | 70 | 47 | 88 | 359 | -16 | 4 | 29 | 12 | 47 | 77 | - | - | - |
| Commonwealth Edison Co | 1 | 9 | 18 | 16 | 40 | -1 | -4 | -1 | 16 | 13 | 2 | 28 | 82 |
| PECO Energy Co | -9 | - | -2 | -2 | -10 | -6 | -1 | 14 | -4 | 1 | 26 | 56 | -34 |
| Baltimore Gas and Electric Company | - | 10 | -1 | 6 | -18 | -1 | 9 | -2 | 1 | -10 | 29 | 61 | -47 |
| Pepco Holdings LLC | - | - | - | - | - | -3 | 37 | -14 | 27 | 6 | 16 | 34 | 42 |
| Potomac Electric Power Company | - | - | - | - | - | -1 | 24 | 6 | 19 | -1 | 8 | 16 | 24 |
| Delmarva Power & Light Company | - | - | - | - | - | - | 5 | 3 | 6 | 5 | 8 | 11 | 5 |
| Atlantic City Electric Company | - | - | - | - | - | 1 | 7 | 4 | 1 | 3 | -1 | 7 | 12 |
| Inventories | 62 | 58 | 100 | 380 | -4 | -7 | 72 | 37 | 87 | 85 | 141 | 121 | 45 |
| Exelon Generation Co L L C | 70 | 47 | 88 | 359 | -16 | 4 | 29 | 12 | 47 | 77 | - | - | - |
| Commonwealth Edison Co | 1 | 9 | 18 | 16 | 40 | -1 | -4 | -1 | 16 | 13 | 2 | 28 | 82 |
| PECO Energy Co | -9 | - | -2 | -2 | -10 | -6 | -1 | 14 | -4 | 1 | 26 | 56 | -34 |
| Baltimore Gas and Electric Company | - | 10 | -1 | 6 | -18 | -1 | 9 | -2 | 1 | -10 | 29 | 61 | -47 |
| Pepco Holdings LLC | - | - | - | - | - | -3 | 37 | -14 | 27 | 6 | 16 | 34 | 42 |
| Potomac Electric Power Company | - | - | - | - | - | -1 | 24 | 6 | 19 | -1 | 8 | 16 | 24 |
| Delmarva Power & Light Company | - | - | - | - | - | - | 5 | 3 | 6 | 5 | 8 | 11 | 5 |
| Atlantic City Electric Company | - | - | - | - | - | 1 | 7 | 4 | 1 | 3 | -1 | 7 | 12 |
| Inventories | 62 | 58 | 100 | 380 | -4 | -7 | 72 | 37 | 87 | 85 | 141 | 121 | 45 |
| Exelon Generation Co L L C | -18 | 34 | -109 | 94 | -149 | 29 | 2 | 376 | -248 | -343 | - | - | - |
| Commonwealth Edison Co | 342 | -84 | 74 | 53 | 68 | 339 | -297 | 70 | -51 | 63 | - | 406 | -87 |
| PECO Energy Co | 85 | 34 | 41 | 54 | -25 | 67 | 6 | -3 | -11 | 63 | 15 | 152 | -78 |
| Baltimore Gas and Electric Company | - | -21 | -14 | -70 | -3 | 138 | -15 | -1 | -43 | 102 | 14 | 77 | -75 |
| Pepco Holdings LLC | - | - | - | - | - | 19 | -106 | 45 | -17 | 49 | 34 | 30 | 40 |
| Potomac Electric Power Company | - | - | - | - | - | 32 | -63 | 59 | -39 | 41 | 16 | 24 | 6 |
| Delmarva Power & Light Company | - | - | - | - | - | -4 | -8 | 11 | 3 | 4 | 16 | 19 | -7 |
| Atlantic City Electric Company | - | - | - | - | - | 9 | -2 | -7 | 26 | 5 | 3 | -9 | 27 |
| Accounts payable and accrued expenses | 472 | -254 | -90 | 209 | -121 | 771 | -390 | 551 | -425 | -129 | 440 | 1,318 | -191 |
| Exelon Generation Co L L C | -18 | 34 | -109 | 94 | -149 | 29 | 2 | 376 | -248 | -343 | - | - | - |
| Commonwealth Edison Co | 342 | -84 | 74 | 53 | 68 | 339 | -297 | 70 | -51 | 63 | - | 406 | -87 |
| PECO Energy Co | 85 | 34 | 41 | 54 | -25 | 67 | 6 | -3 | -11 | 63 | 15 | 152 | -78 |
| Baltimore Gas and Electric Company | - | -21 | -14 | -70 | -3 | 138 | -15 | -1 | -43 | 102 | 14 | 77 | -75 |
| Pepco Holdings LLC | - | - | - | - | - | 19 | -106 | 45 | -17 | 49 | 34 | 30 | 40 |
| Potomac Electric Power Company | - | - | - | - | - | 32 | -63 | 59 | -39 | 41 | 16 | 24 | 6 |
| Delmarva Power & Light Company | - | - | - | - | - | -4 | -8 | 11 | 3 | 4 | 16 | 19 | -7 |
| Atlantic City Electric Company | - | - | - | - | - | 9 | -2 | -7 | 26 | 5 | 3 | -9 | 27 |
| Accounts payable and accrued expenses | 472 | -254 | -90 | 209 | -121 | 771 | -390 | 551 | -425 | -129 | 440 | 1,318 | -191 |
| Option premiums paid, net | 124 | 3 | 36 | -38 | -58 | - | - | 43 | 29 | 139 | - | - | - |
| Option premiums paid, net | 124 | 3 | 36 | -38 | -58 | - | - | 43 | 29 | 139 | - | - | - |
| Exelon Generation Co L L C | - | - | - | - | - | 923 | -129 | 64 | -481 | 479 | - | - | - |
| Commonwealth Edison Co | - | - | - | - | - | 7 | -26 | 11 | 48 | 14 | - | 51 | 69 |
| Baltimore Gas and Electric Company | - | - | - | - | - | - | - | 4 | -4 | - | - | 19 | -22 |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | - | - | - | 148 | -196 |
| Potomac Electric Power Company | - | - | - | - | - | - | - | - | - | - | - | 24 | -25 |
| Delmarva Power & Light Company | - | - | - | - | - | 1 | - | - | - | - | - | 78 | -121 |
| Atlantic City Electric Company | - | - | - | - | - | - | - | - | - | - | - | 46 | -50 |
| Collateral (paid) received, net | - | - | - | - | - | 931 | -158 | 82 | -438 | 494 | -74 | 1,248 | -146 |
| Exelon Generation Co L L C | - | - | - | - | - | 923 | -129 | 64 | -481 | 479 | - | - | - |
| Commonwealth Edison Co | - | - | - | - | - | 7 | -26 | 11 | 48 | 14 | - | 51 | 69 |
| Baltimore Gas and Electric Company | - | - | - | - | - | - | - | 4 | -4 | - | - | 19 | -22 |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | - | - | - | 148 | -196 |
| Potomac Electric Power Company | - | - | - | - | - | - | - | - | - | - | - | 24 | -25 |
| Delmarva Power & Light Company | - | - | - | - | - | 1 | - | - | - | - | - | 78 | -121 |
| Atlantic City Electric Company | - | - | - | - | - | - | - | - | - | - | - | 46 | -50 |
| Collateral (paid) received, net | - | - | - | - | - | 931 | -158 | 82 | -438 | 494 | -74 | 1,248 | -146 |
| Exelon Generation Co L L C | -303 | 193 | 402 | 265 | -18 | 182 | 496 | -193 | 302 | 186 | - | - | - |
| Commonwealth Edison Co | -233 | 223 | 178 | -159 | 192 | 306 | -308 | 62 | 95 | 8 | - | - | 106 |
| PECO Energy Co | 118 | -45 | 87 | -57 | -9 | 8 | 34 | 15 | -34 | 31 | 5 | -20 | 86 |
| Baltimore Gas and Electric Company | - | 35 | -33 | 45 | -54 | 18 | 60 | -20 | -67 | 60 | 20 | -17 | 37 |
| Pepco Holdings LLC | - | - | - | - | - | -22 | 79 | 34 | 16 | -25 | 17 | -1 | 65 |
| Potomac Electric Power Company | - | - | - | - | - | 110 | 81 | -13 | 9 | -1 | 11 | -19 | 60 |
| Delmarva Power & Light Company | - | - | - | - | - | 28 | 26 | 2 | 12 | -25 | 13 | - | 26 |
| Atlantic City Electric Company | - | - | - | - | - | 174 | -11 | -2 | 2 | -1 | - | 11 | - |
| Income taxes | -543 | 492 | 883 | -143 | 97 | 576 | 299 | 340 | -64 | 140 | 327 | -4 | 48 |
| Exelon Generation Co L L C | -303 | 193 | 402 | 265 | -18 | 182 | 496 | -193 | 302 | 186 | - | - | - |
| Commonwealth Edison Co | -233 | 223 | 178 | -159 | 192 | 306 | -308 | 62 | 95 | 8 | - | - | 106 |
| PECO Energy Co | 118 | -45 | 87 | -57 | -9 | 8 | 34 | 15 | -34 | 31 | 5 | -20 | 86 |
| Baltimore Gas and Electric Company | - | 35 | -33 | 45 | -54 | 18 | 60 | -20 | -67 | 60 | 20 | -17 | 37 |
| Pepco Holdings LLC | - | - | - | - | - | -22 | 79 | 34 | 16 | -25 | 17 | -1 | 65 |
| Potomac Electric Power Company | - | - | - | - | - | 110 | 81 | -13 | 9 | -1 | 11 | -19 | 60 |
| Delmarva Power & Light Company | - | - | - | - | - | 28 | 26 | 2 | 12 | -25 | 13 | - | 26 |
| Atlantic City Electric Company | - | - | - | - | - | 174 | -11 | -2 | 2 | -1 | - | 11 | - |
| Income taxes | -543 | 492 | 883 | -143 | 97 | 576 | 299 | 340 | -64 | 140 | 327 | -4 | 48 |
| Commonwealth Edison Co | - | - | - | - | - | - | - | - | - | - | - | -1,033 | -60 |
| PECO Energy Co | - | - | - | - | - | - | - | - | - | - | - | -45 | -31 |
| Baltimore Gas and Electric Company | - | - | - | - | - | - | - | - | - | - | - | -160 | -292 |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | - | - | - | -136 | 61 |
| Potomac Electric Power Company | - | - | - | - | - | - | - | - | - | - | - | -69 | 45 |
| Delmarva Power & Light Company | - | - | - | - | - | - | - | - | - | - | - | -34 | 25 |
| Atlantic City Electric Company | - | - | - | - | - | - | - | - | - | - | - | -19 | -47 |
| Regulatory assets and liabilities, net | - | - | - | - | - | - | - | - | - | - | - | -1,326 | 439 |
| Commonwealth Edison Co | - | - | - | - | - | - | - | - | - | - | - | -1,033 | -60 |
| PECO Energy Co | - | - | - | - | - | - | - | - | - | - | - | -45 | -31 |
| Baltimore Gas and Electric Company | - | - | - | - | - | - | - | - | - | - | - | -160 | -292 |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | - | - | - | -136 | 61 |
| Potomac Electric Power Company | - | - | - | - | - | - | - | - | - | - | - | -69 | 45 |
| Delmarva Power & Light Company | - | - | - | - | - | - | - | - | - | - | - | -34 | 25 |
| Atlantic City Electric Company | - | - | - | - | - | - | - | - | - | - | - | -19 | -47 |
| Regulatory assets and liabilities, net | - | - | - | - | - | - | - | - | - | - | - | -1,326 | 439 |
| Exelon Generation Co L L C | 445 | 1,070 | 149 | 297 | 245 | 152 | 148 | 139 | 175 | 255 | - | - | - |
| Commonwealth Edison Co | 317 | 977 | 122 | 248 | 150 | 38 | 41 | 42 | 77 | 148 | 196 | 184 | 41 |
| PECO Energy Co | 106 | 137 | 31 | 16 | 40 | 30 | 24 | 28 | 28 | 18 | 18 | 18 | 1 |
| Baltimore Gas and Electric Company | - | 67 | 24 | 17 | 17 | 49 | 53 | 54 | 48 | 78 | 81 | 68 | 19 |
| Pepco Holdings LLC | - | - | - | - | - | 86 | 99 | 62 | 25 | 39 | 48 | 78 | 24 |
| Potomac Electric Power Company | - | - | - | - | - | 32 | 72 | 17 | 14 | 11 | 11 | 11 | 12 |
| Delmarva Power & Light Company | - | - | - | - | - | 22 | 2 | - | 1 | - | 1 | 1 | 4 |
| Atlantic City Electric Company | - | - | - | - | - | 17 | 20 | 6 | 1 | 2 | 3 | 7 | 3 |
| Pension and non-pension postretirement benefit contributions | 959 | 2,360 | 422 | 617 | 502 | 397 | 405 | 383 | 408 | 601 | 665 | 616 | 129 |
| Exelon Generation Co L L C | 445 | 1,070 | 149 | 297 | 245 | 152 | 148 | 139 | 175 | 255 | - | - | - |
| Commonwealth Edison Co | 317 | 977 | 122 | 248 | 150 | 38 | 41 | 42 | 77 | 148 | 196 | 184 | 41 |
| PECO Energy Co | 106 | 137 | 31 | 16 | 40 | 30 | 24 | 28 | 28 | 18 | 18 | 18 | 1 |
| Baltimore Gas and Electric Company | - | 67 | 24 | 17 | 17 | 49 | 53 | 54 | 48 | 78 | 81 | 68 | 19 |
| Pepco Holdings LLC | - | - | - | - | - | 86 | 99 | 62 | 25 | 39 | 48 | 78 | 24 |
| Potomac Electric Power Company | - | - | - | - | - | 32 | 72 | 17 | 14 | 11 | 11 | 11 | 12 |
| Delmarva Power & Light Company | - | - | - | - | - | 22 | 2 | - | 1 | - | 1 | 1 | 4 |
| Atlantic City Electric Company | - | - | - | - | - | 17 | 20 | 6 | 1 | 2 | 3 | 7 | 3 |
| Pension and non-pension postretirement benefit contributions | 959 | 2,360 | 422 | 617 | 502 | 397 | 405 | 383 | 408 | 601 | 665 | 616 | 129 |
| Exelon Generation Co L L C | 45 | 57 | 136 | 249 | 207 | 231 | 168 | 158 | 467 | 4,362 | - | - | - |
| Commonwealth Edison Co | 133 | -45 | -188 | -45 | -69 | -105 | -6 | 348 | 345 | 590 | 531 | 134 | 70 |
| PECO Energy Co | -78 | -14 | 6 | 17 | 4 | 8 | 5 | -29 | 64 | -1 | 52 | -5 | -13 |
| Baltimore Gas and Electric Company | - | 161 | 64 | 163 | 173 | 43 | 150 | 92 | 192 | 70 | 269 | 33 | 13 |
| Pepco Holdings LLC | - | - | - | - | - | 311 | 258 | -178 | 179 | 104 | 182 | 149 | 101 |
| Potomac Electric Power Company | - | - | - | - | - | 128 | 142 | 164 | 82 | 24 | 163 | 66 | 5 |
| Delmarva Power & Light Company | - | - | - | - | - | 72 | 71 | 7 | 55 | 30 | 27 | 10 | -13 |
| Atlantic City Electric Company | - | - | - | - | - | 85 | 47 | 6 | 27 | 42 | -17 | 61 | 83 |
| Other assets and liabilities | 56 | 24 | -102 | 558 | 387 | 621 | 691 | 965 | 1,482 | 5,176 | 4,411 | 905 | 188 |
| Exelon Generation Co L L C | 45 | 57 | 136 | 249 | 207 | 231 | 168 | 158 | 467 | 4,362 | - | - | - |
| Commonwealth Edison Co | 133 | -45 | -188 | -45 | -69 | -105 | -6 | 348 | 345 | 590 | 531 | 134 | 70 |
| PECO Energy Co | -78 | -14 | 6 | 17 | 4 | 8 | 5 | -29 | 64 | -1 | 52 | -5 | -13 |
| Baltimore Gas and Electric Company | - | 161 | 64 | 163 | 173 | 43 | 150 | 92 | 192 | 70 | 269 | 33 | 13 |
| Pepco Holdings LLC | - | - | - | - | - | 311 | 258 | -178 | 179 | 104 | 182 | 149 | 101 |
| Potomac Electric Power Company | - | - | - | - | - | 128 | 142 | 164 | 82 | 24 | 163 | 66 | 5 |
| Delmarva Power & Light Company | - | - | - | - | - | 72 | 71 | 7 | 55 | 30 | 27 | 10 | -13 |
| Atlantic City Electric Company | - | - | - | - | - | 85 | 47 | 6 | 27 | 42 | -17 | 61 | 83 |
| Other assets and liabilities | 56 | 24 | -102 | 558 | 387 | 621 | 691 | 965 | 1,482 | 5,176 | 4,411 | 905 | 188 |
| Exelon Generation Co L L C | 3,032 | 3,313 | 3,887 | 1,826 | 4,199 | 4,444 | 3,299 | 3,861 | 2,873 | 584 | - | - | - |
| Commonwealth Edison Co | 1,077 | 836 | 1,218 | 1,326 | 1,896 | 2,505 | 1,527 | 1,749 | 1,703 | 1,324 | 1,595 | 1,197 | 1,848 |
| PECO Energy Co | 1,150 | 818 | 747 | 712 | 770 | 829 | 755 | 739 | 751 | 777 | 773 | 841 | 1,019 |
| Baltimore Gas and Electric Company | - | 476 | 561 | 740 | 782 | 945 | 821 | 789 | 748 | 884 | 729 | 760 | 951 |
| Pepco Holdings LLC | - | - | - | - | - | 888 | 950 | 1,132 | 1,117 | 1,002 | 1,157 | 1,250 | 1,304 |
| Potomac Electric Power Company | - | - | - | - | - | 651 | 407 | 474 | 512 | 501 | 462 | 471 | 699 |
| Delmarva Power & Light Company | - | - | - | - | - | 310 | 321 | 352 | 294 | 272 | 385 | 418 | 373 |
| Atlantic City Electric Company | - | - | - | - | - | 385 | 206 | 228 | 261 | 199 | 295 | 384 | 201 |
| Net cash flows provided by operating activities | 5,244 | 4,853 | 6,343 | 4,457 | 7,616 | 8,445 | 7,480 | 8,644 | 6,659 | 4,235 | 3,012 | 4,870 | 4,703 |
| Exelon Generation Co L L C | 1,883 | 2,491 | 2,752 | 3,012 | 3,841 | 3,078 | 2,259 | 2,242 | 1,845 | 1,747 | - | - | - |
| Commonwealth Edison Co | 962 | 1,028 | 1,433 | 1,689 | 2,398 | 2,734 | 2,250 | 2,126 | 1,915 | 2,217 | 2,387 | 2,506 | 2,576 |
| PECO Energy Co | 545 | 481 | 537 | 661 | 601 | 686 | 732 | 849 | 939 | 1,147 | 1,240 | 1,349 | 1,426 |
| Baltimore Gas and Electric Company | - | 592 | 587 | 620 | 719 | 934 | 882 | 959 | 1,145 | 1,247 | 1,226 | 1,262 | 1,367 |
| Pepco Holdings LLC | - | - | - | - | - | 1,008 | 1,396 | 1,375 | 1,355 | 1,604 | 1,720 | 1,709 | 1,988 |
| Potomac Electric Power Company | - | - | - | - | - | 586 | 628 | 656 | 626 | 773 | 843 | 874 | 957 |
| Delmarva Power & Light Company | - | - | - | - | - | 349 | 428 | 364 | 348 | 424 | 429 | 430 | 562 |
| Atlantic City Electric Company | - | - | - | - | - | 311 | 312 | 335 | 375 | 401 | 445 | 398 | 460 |
| Capital expenditures | 3,326 | 4,042 | 5,395 | 6,077 | 7,624 | 8,553 | 7,584 | 7,594 | 7,248 | 8,048 | 7,981 | 7,147 | 7,408 |
| Proceeds from NDT fund sales | 3,764 | 6,139 | 4,217 | 7,396 | 6,895 | 9,496 | 7,845 | 8,762 | 10,051 | 3,341 | - | - | - |
| Investment in NDT funds | 3,907 | 6,332 | 4,450 | 7,551 | 7,147 | 9,738 | 8,113 | 8,997 | 10,087 | 3,464 | - | - | - |
| Collection of DPP | - | - | - | - | - | - | - | - | - | 3,771 | - | - | - |
| Exelon Generation Co L L C | - | - | 32 | 1,719 | 147 | 37 | 218 | 90 | 52 | 46 | - | - | - |
| Pepco Holdings LLC | - | - | - | - | - | 24 | 1 | - | - | - | - | - | 10 |
| Potomac Electric Power Company | - | - | - | - | - | 12 | 1 | - | - | - | - | - | 10 |
| Delmarva Power & Light Company | - | - | - | - | - | 9 | - | - | - | - | - | - | - |
| Atlantic City Electric Company | - | - | - | - | - | 2 | - | - | - | - | - | - | - |
| Proceeds from Sale, Property, Held-for-Sale | - | - | - | 1,719 | 147 | 61 | 219 | 91 | 53 | 46 | 877 | 16 | 25 |
| Exelon Generation Co L L C | 893 | 387 | - | 386 | 40 | 293 | 235 | 154 | 41 | - | - | - | - |
| Pepco Holdings LLC | - | - | - | - | - | 6,933 | - | - | - | - | - | - | - |
| Potomac Electric Power Company | - | - | - | - | - | 33 | - | - | - | - | - | - | - |
| Acquisitions of assets and businesses, net | 893 | 387 | - | 386 | 40 | 6,934 | 208 | 154 | 41 | - | - | - | - |
| Exelon Generation Co L L C | -19 | 6 | -30 | 43 | 118 | 240 | 58 | -10 | -3 | -11 | - | - | - |
| Commonwealth Edison Co | -17 | -19 | -45 | -32 | -34 | -49 | -20 | -29 | -29 | -2 | -26 | -28 | -8 |
| PECO Energy Co | -11 | -8 | -8 | -12 | -14 | -20 | -4 | -9 | 1 | -7 | -9 | -8 | -2 |
| Baltimore Gas and Electric Company | - | - | -14 | -20 | -18 | -24 | -7 | -9 | -8 | -2 | -18 | -11 | -7 |
| Pepco Holdings LLC | - | - | - | - | - | 9 | 2 | -4 | 3 | -7 | -2 | -6 | -8 |
| Potomac Electric Power Company | - | - | - | - | - | 12 | 1 | -2 | -3 | - | 1 | -3 | -8 |
| Delmarva Power & Light Company | - | - | - | - | - | -4 | 1 | -2 | -1 | 3 | -4 | -3 | - |
| Atlantic City Electric Company | - | - | - | - | - | -2 | 1 | -1 | 1 | -6 | -1 | -1 | - |
| Other investing activities | -39 | -20 | -112 | 88 | 119 | 153 | 43 | -58 | -12 | -18 | -26 | - | -8 |
| Exelon Generation Co L L C | - | - | 32 | 1,719 | 147 | 37 | 218 | 90 | 52 | 46 | - | - | - |
| Pepco Holdings LLC | - | - | - | - | - | 24 | 1 | - | - | - | - | - | 10 |
| Potomac Electric Power Company | - | - | - | - | - | 12 | 1 | - | - | - | - | - | 10 |
| Delmarva Power & Light Company | - | - | - | - | - | 9 | - | - | - | - | - | - | - |
| Atlantic City Electric Company | - | - | - | - | - | 2 | - | - | - | - | - | - | - |
| Proceeds from Sale, Property, Held-for-Sale | - | - | - | 1,719 | 147 | 61 | 219 | 91 | 53 | 46 | 877 | 16 | 25 |
| Exelon Generation Co L L C | -2,896 | -3,077 | -2,916 | -1,767 | -4,069 | -3,851 | -2,592 | -2,531 | -1,867 | 1,958 | - | - | - |
| Commonwealth Edison Co | -939 | -1,007 | -1,387 | -1,655 | -2,362 | -2,685 | -2,296 | -2,097 | -1,886 | -2,215 | -2,361 | -2,478 | -2,568 |
| PECO Energy Co | -120 | -557 | -531 | -649 | -588 | -798 | -597 | -840 | -1,008 | -1,072 | -1,231 | -1,341 | -1,424 |
| Baltimore Gas and Electric Company | - | -592 | -571 | -622 | -675 | -910 | -849 | -950 | -1,137 | -1,245 | -1,208 | -1,251 | -1,360 |
| Pepco Holdings LLC | - | - | - | - | - | -1,030 | -1,396 | -1,371 | -1,358 | -1,597 | -1,718 | -1,703 | -1,970 |
| Potomac Electric Power Company | - | - | - | - | - | -647 | -630 | -654 | -623 | -773 | -844 | -871 | -939 |
| Delmarva Power & Light Company | - | - | - | - | - | -336 | -429 | -362 | -347 | -427 | -425 | -427 | -562 |
| Atlantic City Electric Company | - | - | - | - | - | -309 | -310 | -334 | -376 | -395 | -444 | -397 | -460 |
| Net cash flows used in investing activities | -3,894 | -4,603 | -5,394 | -4,599 | -7,822 | -15,503 | -7,934 | -7,834 | -7,260 | -4,336 | -3,317 | -6,990 | -7,375 |
| Exelon Generation Co L L C | - | - | - | - | - | - | - | - | - | - | - | - | - |
| PECO Energy Co | - | - | - | - | - | 131 | -131 | - | 68 | -68 | - | - | - |
| Exelon Generation Co L L C | -19 | 6 | -30 | 43 | 118 | 240 | 58 | -10 | -3 | -11 | - | - | - |
| Commonwealth Edison Co | -17 | -19 | -45 | -32 | -34 | -49 | -20 | -29 | -29 | -2 | -26 | -28 | -8 |
| PECO Energy Co | -11 | -8 | -8 | -12 | -14 | -20 | -4 | -9 | 1 | -7 | -9 | -8 | -2 |
| Baltimore Gas and Electric Company | - | - | -14 | -20 | -18 | -24 | -7 | -9 | -8 | -2 | -18 | -11 | -7 |
| Pepco Holdings LLC | - | - | - | - | - | 9 | 2 | -4 | 3 | -7 | -2 | -6 | -8 |
| Potomac Electric Power Company | - | - | - | - | - | 12 | 1 | -2 | -3 | - | 1 | -3 | -8 |
| Delmarva Power & Light Company | - | - | - | - | - | -4 | 1 | -2 | -1 | 3 | -4 | -3 | - |
| Atlantic City Electric Company | - | - | - | - | - | -2 | 1 | -1 | 1 | -6 | -1 | -1 | - |
| Other investing activities | -39 | -20 | -112 | 88 | 119 | 153 | 43 | -58 | -12 | -18 | -26 | - | -8 |
| Exelon Generation Co L L C | -2,896 | -3,077 | -2,916 | -1,767 | -4,069 | -3,851 | -2,592 | -2,531 | -1,867 | 1,958 | - | - | - |
| Commonwealth Edison Co | -939 | -1,007 | -1,387 | -1,655 | -2,362 | -2,685 | -2,296 | -2,097 | -1,886 | -2,215 | -2,361 | -2,478 | -2,568 |
| PECO Energy Co | -120 | -557 | -531 | -649 | -588 | -798 | -597 | -840 | -1,008 | -1,072 | -1,231 | -1,341 | -1,424 |
| Baltimore Gas and Electric Company | - | -592 | -571 | -622 | -675 | -910 | -849 | -950 | -1,137 | -1,245 | -1,208 | -1,251 | -1,360 |
| Pepco Holdings LLC | - | - | - | - | - | -1,030 | -1,396 | -1,371 | -1,358 | -1,597 | -1,718 | -1,703 | -1,970 |
| Potomac Electric Power Company | - | - | - | - | - | -647 | -630 | -654 | -623 | -773 | -844 | -871 | -939 |
| Delmarva Power & Light Company | - | - | - | - | - | -336 | -429 | -362 | -347 | -427 | -425 | -427 | -562 |
| Atlantic City Electric Company | - | - | - | - | - | -309 | -310 | -334 | -376 | -395 | -444 | -397 | -460 |
| Net cash flows used in investing activities | -3,894 | -4,603 | -5,394 | -4,599 | -7,822 | -15,503 | -7,934 | -7,834 | -7,260 | -4,336 | -3,317 | -6,990 | -7,375 |
| Exelon Generation Co L L C | - | - | 13 | 17 | - | 620 | -620 | - | 320 | 20 | - | - | - |
| Commonwealth Edison Co | -155 | - | 184 | 120 | -10 | -294 | - | - | 130 | 193 | -323 | 427 | -225 |
| PECO Energy Co | - | - | -210 | - | - | - | - | - | - | - | - | 239 | -74 |
| Baltimore Gas and Electric Company | - | - | 135 | -15 | 90 | -165 | 32 | -42 | 40 | -76 | 130 | 278 | -72 |
| Pepco Holdings LLC | - | - | - | - | - | - | - | -296 | 154 | 160 | 100 | -54 | -20 |
| Potomac Electric Power Company | - | - | - | - | - | - | - | 14 | 42 | -47 | 140 | 124 | -167 |
| Delmarva Power & Light Company | - | - | - | - | - | - | - | -216 | 56 | 90 | 3 | -34 | -52 |
| Atlantic City Electric Company | - | - | - | - | - | - | - | -94 | 56 | 117 | -43 | -144 | 199 |
| Changes in short-term borrowings | -155 | 161 | 332 | 122 | 80 | 240 | 621 | -338 | 781 | 161 | 269 | 986 | -313 |
| Exelon Generation Co L L C | - | - | - | - | - | - | - | 1 | - | 500 | - | - | - |
| Commonwealth Edison Co | - | - | - | - | - | - | - | - | - | - | - | 150 | 400 |
| Pepco Holdings LLC | - | - | - | - | - | - | - | 125 | - | - | - | - | - |
| Atlantic City Electric Company | - | - | - | - | - | - | - | 125 | - | - | - | - | - |
| Proceeds from Short-Term Debt, Maturing in More than Three Months | - | - | - | - | - | - | - | 126 | - | 500 | 1,380 | 1,300 | 400 |
| Exelon Generation Co L L C | - | - | - | - | - | - | - | 1 | - | - | - | - | - |
| Commonwealth Edison Co | - | - | - | - | - | - | - | - | - | - | - | - | 150 |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | 125 | - | - | - | - |
| Atlantic City Electric Company | - | - | - | - | - | - | - | - | 125 | - | - | - | - |
| Repayments on short-term borrowings with maturities greater than 90 days | - | - | - | - | - | - | - | 1 | 125 | - | 350 | 1,500 | 150 |
| Exelon Generation Co L L C | 898 | - | 854 | 1,112 | 1,309 | 388 | 1,645 | 15 | 42 | 3,155 | - | - | - |
| Commonwealth Edison Co | 500 | 1,199 | 350 | 900 | 850 | 1,200 | 1,000 | 1,350 | 700 | 1,000 | 1,150 | 750 | 975 |
| PECO Energy Co | - | - | 550 | 300 | 350 | 300 | 325 | 700 | 325 | 350 | 750 | 775 | 575 |
| Baltimore Gas and Electric Company | - | 300 | 300 | - | - | 850 | 300 | 300 | 400 | 400 | 600 | 500 | 700 |
| Pepco Holdings LLC | - | - | - | - | - | 179 | 202 | 750 | 485 | 602 | 825 | 925 | 1,075 |
| Potomac Electric Power Company | - | - | - | - | - | 4 | 202 | 200 | 260 | 300 | 275 | 625 | 350 |
| Delmarva Power & Light Company | - | - | - | - | - | 175 | - | 200 | 75 | 178 | 125 | 125 | 650 |
| Atlantic City Electric Company | - | - | - | - | - | - | - | 350 | 150 | 123 | 425 | 175 | 75 |
| Issuance of long-term debt | 1,398 | 1,199 | 2,055 | 3,463 | 6,709 | 4,716 | 3,470 | 3,115 | 1,951 | 7,507 | 3,481 | 6,309 | 5,825 |
| Exelon Generation Co L L C | 215 | 2 | 570 | 586 | 89 | 202 | 1,261 | 141 | 813 | 4,334 | - | - | - |
| Commonwealth Edison Co | 213 | 537 | 252 | 617 | 260 | 665 | 425 | 840 | 300 | 500 | 350 | - | - |
| PECO Energy Co | - | 250 | 300 | 250 | - | 300 | - | 500 | - | - | 300 | 350 | 50 |
| Baltimore Gas and Electric Company | - | 82 | 467 | 70 | 75 | 379 | 41 | - | - | - | 300 | 250 | 300 |
| Pepco Holdings LLC | - | - | - | - | - | 338 | 169 | 299 | 157 | 128 | 260 | 310 | 500 |
| Potomac Electric Power Company | - | - | - | - | - | 11 | 13 | 14 | 125 | 3 | - | 310 | - |
| Delmarva Power & Light Company | - | - | - | - | - | 100 | 40 | 4 | 12 | 80 | - | - | 500 |
| Atlantic City Electric Company | - | - | - | - | - | 48 | 35 | 281 | 18 | 44 | 260 | - | - |
| Retirement of long-term debt | 828 | 789 | 1,589 | 1,545 | 2,687 | 1,936 | 2,490 | 1,786 | 1,287 | 6,440 | 1,640 | 2,073 | 1,713 |
| Repayment of long term debt to affiliate | - | - | - | - | - | - | - | - | - | -550 | - | - | - |
| Proceeds from Issuance of Common Stock | - | - | - | - | 1,868 | - | - | - | - | - | - | 563 | 140 |
| Exelon Generation Co L L C | - | - | - | - | 550 | - | - | - | - | - | - | - | - |
| PECO Energy Co | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Baltimore Gas and Electric Company | - | - | - | - | - | - | 250 | - | - | - | - | - | - |
| Retirement of long-term debt to financing trust | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Commonwealth Edison Co | 310 | 300 | 220 | 307 | 299 | 369 | 422 | 459 | 508 | 499 | 507 | 578 | 746 |
| PECO Energy Co | 224 | 348 | 332 | 320 | 279 | 277 | 288 | 306 | 358 | 340 | 339 | 399 | 405 |
| Baltimore Gas and Electric Company | - | 85 | - | - | 158 | 179 | 198 | 209 | 224 | 246 | 292 | 300 | 316 |
| Pepco Holdings LLC | - | - | - | - | - | 273 | 311 | 326 | - | - | - | - | - |
| Potomac Electric Power Company | - | - | - | - | - | 136 | 133 | 169 | 213 | 232 | 268 | 463 | 252 |
| Delmarva Power & Light Company | - | - | - | - | - | 54 | 112 | 96 | 139 | 141 | 147 | 143 | 133 |
| Atlantic City Electric Company | - | - | - | - | - | 63 | 68 | 59 | 124 | 114 | 288 | 145 | 126 |
| Dividends paid on common stock | 1,389 | 1,393 | 1,249 | 1,065 | 1,105 | 1,166 | 1,236 | 1,332 | 1,408 | 1,492 | 1,497 | 1,334 | 1,433 |
| Proceeds from Issuance of Common Stock | - | - | - | - | 1,868 | - | - | - | - | - | - | 563 | 140 |
| Changes in Exelon/PHI intercompany money pool | - | - | - | - | - | - | - | - | - | - | - | 37 | - |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Proceeds from Stock Plans | 48 | 38 | 47 | 35 | 32 | 55 | 150 | 105 | 112 | 45 | 80 | 36 | 41 |
| Exelon Generation Co L L C | 1,508 | 172 | 625 | 645 | 2,474 | 922 | 659 | 1,001 | 899 | 1,734 | - | - | - |
| Pepco Holdings LLC | - | - | - | - | - | 273 | 311 | 326 | 526 | 553 | 703 | 750 | - |
| Transfer of cash, restricted cash, and cash equivalents to Constellation | - | - | - | - | - | - | - | - | - | - | - | -2,594 | - |
| Exelon Generation Co L L C | 62 | 30 | 26 | 53 | 47 | 142 | 102 | 155 | 41 | 64 | - | - | - |
| Commonwealth Edison Co | - | 11,000,000 | - | - | - | - | - | - | - | - | - | - | - |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | 398 | 494 | 683 | 787 | - |
| Atlantic City Electric Company | - | - | - | - | - | 139 | - | 67 | - | - | - | - | - |
| Exelon Generation Co L L C | -16 | -52 | -82 | -67 | 26 | -19 | -54 | -55 | -51 | -70 | - | - | - |
| Commonwealth Edison Co | -3 | -7 | -1 | -10 | -16 | -18 | -15 | -17 | -16 | -13 | -16 | -11 | -14 |
| PECO Energy Co | - | -5 | -2 | -4 | -4 | -4 | -3 | -22 | -6 | -4 | -9 | -15 | -6 |
| Baltimore Gas and Electric Company | - | -5 | -3 | 13 | -13 | -11 | -5 | -2 | -8 | -8 | -6 | -11 | -7 |
| Pepco Holdings LLC | - | - | - | - | - | -5 | -2 | -9 | -5 | -10 | -17 | -22 | -41 |
| Potomac Electric Power Company | - | - | - | - | - | -3 | -1 | -4 | -3 | -6 | -6 | -10 | -26 |
| Delmarva Power & Light Company | - | - | - | - | - | -1 | - | -2 | -1 | -2 | -5 | -5 | -11 |
| Atlantic City Electric Company | - | - | - | - | - | -1 | - | -3 | -1 | -1 | -5 | -5 | -5 |
| Other financing activities | -16 | -62 | -119 | -178 | -67 | -85 | -83 | -108 | -82 | -136 | -80 | -102 | -114 |
| Commonwealth Edison Co | 310 | 300 | 220 | 307 | 299 | 369 | 422 | 459 | 508 | 499 | 507 | 578 | 746 |
| PECO Energy Co | 224 | 348 | 332 | 320 | 279 | 277 | 288 | 306 | 358 | 340 | 339 | 399 | 405 |
| Baltimore Gas and Electric Company | - | 85 | - | - | 158 | 179 | 198 | 209 | 224 | 246 | 292 | 300 | 316 |
| Pepco Holdings LLC | - | - | - | - | - | 273 | 311 | 326 | - | - | - | - | - |
| Potomac Electric Power Company | - | - | - | - | - | 136 | 133 | 169 | 213 | 232 | 268 | 463 | 252 |
| Delmarva Power & Light Company | - | - | - | - | - | 54 | 112 | 96 | 139 | 141 | 147 | 143 | 133 |
| Atlantic City Electric Company | - | - | - | - | - | 63 | 68 | 59 | 124 | 114 | 288 | 145 | 126 |
| Dividends paid on common stock | 1,389 | 1,393 | 1,249 | 1,065 | 1,105 | 1,166 | 1,236 | 1,332 | 1,408 | 1,492 | 1,497 | 1,334 | 1,433 |
| Exelon Generation Co L L C | -779 | -196 | -384 | -537 | -479 | -734 | -581 | -981 | -1,460 | -2,664 | - | - | - |
| Commonwealth Edison Co | -179 | 355 | 61 | 359 | 467 | 169 | 789 | 534 | 256 | 893 | 745 | 1,408 | 895 |
| PECO Energy Co | -811 | -589 | -361 | -250 | 83 | -263 | 50 | -39 | 149 | 294 | 476 | 524 | 388 |
| Baltimore Gas and Electric Company | - | 115 | -48 | -85 | -162 | -21 | 22 | 156 | 401 | 481 | 389 | 503 | 390 |
| Pepco Holdings LLC | - | - | - | - | - | -7 | 306 | 330 | 236 | 574 | 614 | 613 | 497 |
| Potomac Electric Power Company | - | - | - | - | - | - | 219 | 193 | 121 | 274 | 385 | 431 | 213 |
| Delmarva Power & Light Company | - | - | - | - | - | 67 | 64 | 32 | 42 | 157 | 96 | 90 | 53 |
| Atlantic City Electric Company | - | - | - | - | - | 22 | 5 | 105 | 113 | 198 | 148 | 56 | 208 |
| Net cash flows provided by (used in) financing activities | -1,748 | -846 | -826 | 411 | 4,830 | 1,191 | 717 | -219 | -58 | 145 | 758 | 1,591 | 2,683 |
| Acquisition of CENG noncontrolling interest | - | - | - | - | - | - | - | - | - | - | 885 | - | - |
| Exelon Generation Co L L C | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Commonwealth Edison Co | 2 | - | 176 | 273 | 202 | 315 | 651 | 500 | 250 | 712 | 791 | 670 | - |
| PECO Energy Co | 43 | 18 | 27 | 24 | 16 | 18 | 16 | 89 | 188 | 248 | 414 | 274 | - |
| Baltimore Gas and Electric Company | - | - | - | - | 7 | 61 | 184 | 109 | 193 | 411 | 257 | 286 | - |
| Pepco Holdings LLC | - | - | - | - | - | 1,251 | 758 | 385 | - | - | - | - | - |
| Potomac Electric Power Company | - | - | - | - | - | 187 | 161 | 166 | 160 | 262 | 244 | 465 | - |
| Delmarva Power & Light Company | - | - | - | - | - | 152 | - | 150 | 63 | 112 | 120 | 147 | - |
| Atlantic City Electric Company | - | - | - | - | - | 139 | - | 67 | 175 | 117 | 319 | 175 | - |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Proceeds from Stock Plans | 48 | 38 | 47 | 35 | 32 | 55 | 150 | 105 | 112 | 45 | 80 | 36 | 41 |
| Transfer of cash, restricted cash, and cash equivalents to Constellation | - | - | - | - | - | - | - | - | - | - | - | -2,594 | - |
| Sale of noncontrolling interest | - | - | - | - | - | 372 | 396 | - | - | - | - | - | - |
| Exelon Generation Co L L C | -16 | -52 | -82 | -67 | 26 | -19 | -54 | -55 | -51 | -70 | - | - | - |
| Commonwealth Edison Co | -3 | -7 | -1 | -10 | -16 | -18 | -15 | -17 | -16 | -13 | -16 | -11 | -14 |
| PECO Energy Co | - | -5 | -2 | -4 | -4 | -4 | -3 | -22 | -6 | -4 | -9 | -15 | -6 |
| Baltimore Gas and Electric Company | - | -5 | -3 | 13 | -13 | -11 | -5 | -2 | -8 | -8 | -6 | -11 | -7 |
| Pepco Holdings LLC | - | - | - | - | - | -5 | -2 | -9 | -5 | -10 | -17 | -22 | -41 |
| Potomac Electric Power Company | - | - | - | - | - | -3 | -1 | -4 | -3 | -6 | -6 | -10 | -26 |
| Delmarva Power & Light Company | - | - | - | - | - | -1 | - | -2 | -1 | -2 | -5 | -5 | -11 |
| Atlantic City Electric Company | - | - | - | - | - | -1 | - | -3 | -1 | -1 | -5 | -5 | -5 |
| Other financing activities | -16 | -62 | -119 | -178 | -67 | -85 | -83 | -108 | -82 | -136 | -80 | -102 | -114 |
| Exelon Generation Co L L C | -779 | -196 | -384 | -537 | -479 | -734 | -581 | -981 | -1,460 | -2,664 | - | - | - |
| Commonwealth Edison Co | -179 | 355 | 61 | 359 | 467 | 169 | 789 | 534 | 256 | 893 | 745 | 1,408 | 895 |
| PECO Energy Co | -811 | -589 | -361 | -250 | 83 | -263 | 50 | -39 | 149 | 294 | 476 | 524 | 388 |
| Baltimore Gas and Electric Company | - | 115 | -48 | -85 | -162 | -21 | 22 | 156 | 401 | 481 | 389 | 503 | 390 |
| Pepco Holdings LLC | - | - | - | - | - | -7 | 306 | 330 | 236 | 574 | 614 | 613 | 497 |
| Potomac Electric Power Company | - | - | - | - | - | - | 219 | 193 | 121 | 274 | 385 | 431 | 213 |
| Delmarva Power & Light Company | - | - | - | - | - | 67 | 64 | 32 | 42 | 157 | 96 | 90 | 53 |
| Atlantic City Electric Company | - | - | - | - | - | 22 | 5 | 105 | 113 | 198 | 148 | 56 | 208 |
| Net cash flows provided by (used in) financing activities | -1,748 | -846 | -826 | 411 | 4,830 | 1,191 | 717 | -219 | -58 | 145 | 758 | 1,591 | 2,683 |
| Commonwealth Edison Co | - | - | - | - | - | - | - | - | - | - | -21 | 127 | 175 |
| PECO Energy Co | - | - | - | - | - | - | - | - | - | - | 18 | 24 | -17 |
| Baltimore Gas and Electric Company | - | - | - | - | - | - | - | - | - | - | -90 | 12 | -19 |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | - | - | 53 | 160 | -169 |
| Potomac Electric Power Company | - | - | - | - | - | - | - | - | - | - | 3 | 31 | -27 |
| Delmarva Power & Light Company | - | - | - | - | - | - | - | - | - | - | 56 | 81 | -136 |
| Atlantic City Electric Company | - | - | - | - | - | - | - | - | - | - | -1 | 43 | -51 |
| Increase (decrease) in cash, restricted cash, and cash equivalents | - | - | - | - | - | - | - | - | - | - | 453 | -529 | 11 |
| Exelon Generation Co L L C | - | - | - | - | - | - | - | - | -34 | -88 | - | - | - |
| Commonwealth Edison Co | - | - | - | - | - | - | - | - | -37 | 109 | -46 | -20 | -10 |
| PECO Energy Co | - | - | - | - | - | - | - | - | 40 | 55 | 26 | 9 | -56 |
| Baltimore Gas and Electric Company | - | - | - | - | - | - | - | - | 6 | 53 | -59 | 35 | -44 |
| Pepco Holdings LLC | - | - | - | - | - | - | - | - | 2 | 54 | -6 | 136 | -109 |
| Potomac Electric Power Company | - | - | - | - | - | - | - | - | 39 | 1 | 30 | 65 | -55 |
| Delmarva Power & Light Company | - | - | - | - | - | - | - | - | -4 | 20 | -18 | 23 | -6 |
| Atlantic City Electric Company | - | - | - | - | - | - | - | - | -29 | 33 | -18 | 48 | -47 |
| (Decrease) increase in capital expenditures not paid | - | - | - | - | - | - | - | - | - | - | 16 | 36 | -215 |
| Increase in DPP | - | - | - | - | - | - | - | - | - | 4,441 | - | - | - |
| Exelon Generation Co L L C | - | - | - | - | - | - | - | - | 959 | 850 | - | - | - |
| Commonwealth Edison Co | - | - | - | - | - | - | - | - | 7 | - | - | - | - |
| (Decrease) increase in PP&E related to ARO update | - | - | - | - | - | - | - | - | 968 | 850 | 642 | 332 | -13 |