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Segment Information (Tables)
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3 Months Ended |
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Mar. 31, 2015
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| Segment Reporting Information [Line Items] |
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| Analysis and reconciliation of reportable segment information |
An analysis and reconciliation of the Registrants’ reportable segment information to the respective information in the consolidated financial statements for the three months ended March 31, 2015 and 2014 is as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Generation(a) | | ComEd | | PECO | | BGE | | Other(b) | | Intersegment Eliminations | | Exelon | Total revenues(c): | | | | | | | | | | | | | | 2015 | $ | 5,840 |
| | $ | 1,185 |
| | $ | 985 |
| | $ | 1,036 |
| | $ | 318 |
| | $ | (534 | ) | | $ | 8,830 |
| 2014 | 4,390 |
| | 1,134 |
| | 993 |
| | 1,054 |
| | 290 |
| | (624 | ) | | 7,237 |
| Intersegment revenues(d): | | | | | | | | | | | | | | 2015 | $ | 210 |
| | $ | 1 |
| | $ | — |
| | $ | 7 |
| | $ | 316 |
| | $ | (533 | ) | | $ | 1 |
| 2014 | 316 |
| | 1 |
| | 1 |
| | 16 |
| | 290 |
| | (623 | ) | | 1 |
| Net income (loss): | | | | | | | | | | | | | | 2015 | $ | 485 |
| | $ | 90 |
| | $ | 139 |
| | $ | 109 |
| | $ | (84 | ) | | $ | (1 | ) | | $ | 738 |
| 2014 | (185 | ) | | 98 |
| | 89 |
| | 88 |
| | 4 |
| | (1 | ) | | 93 |
| Total assets: | | | | | | | | | | | | | | March 31, 2015 | $ | 45,318 |
| | $ | 25,731 |
| | $ | 10,169 |
| | $ | 8,130 |
| | $ | 10,457 |
| | $ | (12,414 | ) | | $ | 87,391 |
| December 31, 2014 | 45,348 |
| | 25,392 |
| | 9,943 |
| | 8,078 |
| | 9,794 |
| | (11,741 | ) | | 86,814 |
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__________ | | (a) | Generation includes the six power marketing reportable segments shown below: Mid-Atlantic, Midwest, New England, New York, ERCOT and Other Power Regions. Intersegment revenues for Generation for the three months ended March 31, 2015 include revenue from sales to PECO of $63 million and sales to BGE of $138 million in the Mid-Atlantic region, and sales to ComEd of $9 million in the Midwest. For the three months ended March 31, 2014, intersegment revenues for Generation include revenue from sales to PECO of $88 million and sales to BGE of $120 million in the Mid-Atlantic region, and sales to ComEd of $108 million in the Midwest region. |
| | (b) | Other primarily includes Exelon’s corporate operations, shared service entities and other financing and investment activities. |
| | (c) | For the three months ended March 31, 2015 and 2014, utility taxes of $27 million and $24 million, respectively, are included in revenues and expenses for Generation. For the three months ended March 31, 2015 and 2014, utility taxes of $62 million and $63 million, respectively, are included in revenues and expenses for ComEd. For the three months ended March 31, 2015 and 2014, utility taxes of $35 million and $35 million, respectively, are included in revenues and expenses for PECO. For the three months ended March 31, 2015 and 2014, utility taxes of $52 million and $20 million, respectively, are included in revenues and expenses for BGE. |
| | (d) | Intersegment revenues exclude sales to unconsolidated affiliates. The intersegment profit associated with the Generation’s sale of certain products and services by and between Exelon’s segments is not eliminated in consolidation due to the recognition of intersegment profit in accordance with regulatory accounting guidance. For Exelon, these amounts are included in Operating revenues in the Consolidated Statements of Operations and Comprehensive Income. |
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| Analysis and reconciliation of reportable segment revenues for Generation |
| | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended March 31, 2015 | | Three Months Ended March 31, 2014 | | Revenues
from external
customers(b) | | Intersegment
revenues | | Total
Revenues(a) | | Revenues
from external
customers(b) | | Intersegment
revenues | | Total
Revenues | Mid-Atlantic | $ | 1,517 |
| | $ | (4 | ) | | $ | 1,513 |
| | $ | 1,441 |
| | $ | (23 | ) | | $ | 1,418 |
| Midwest | 1,275 |
| | 1 |
| | 1,276 |
| | 1,258 |
| | 12 |
| | 1,270 |
| New England | 858 |
| | 1 |
| | 859 |
| | 545 |
| | 4 |
| | 549 |
| New York | 310 |
| | — |
| | 310 |
| | 190 |
| | (3 | ) | | 187 |
| ERCOT | 182 |
| | (2 | ) | | 180 |
| | 243 |
| | — |
| | 243 |
| Other Power Regions(c) | 212 |
| | 2 |
| | 214 |
| | 334 |
| | 7 |
| | 341 |
| Total Revenues for Reportable Segments | 4,354 |
| | (2 | ) | | 4,352 |
| | 4,011 |
| | (3 | ) | | 4,008 |
| Other(d) | 1,486 |
| | 2 |
| | 1,488 |
| | 379 |
| | 3 |
| | 382 |
| Total Generation Consolidated Operating Revenues | $ | 5,840 |
| | $ | — |
| | $ | 5,840 |
| | $ | 4,390 |
| | $ | — |
| | $ | 4,390 |
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__________ | | (a) | On April 1, 2014, Generation assumed operational control of CENG's nuclear fleet. As a result, the 2015 financial results include CENG's revenues on a fully consolidated basis. |
| | (b) | Includes all wholesale and retail electric sales to third parties and affiliated sales to ComEd, PECO and BGE. |
| | (c) | Other Power Regions include the South, West and Canada, which are not considered individually significant. |
| | (d) | Other represents activities not allocated to a region. See text above for a description of included activities. Also includes amortization of intangible assets related to commodity contracts recorded at fair value of $40 million increase to revenues and $93 million decrease to revenues, for the three months ended March 31, 2015 and 2014, respectively, unrealized mark-to-market gains of $154 million and losses of $760 million for the three months ended March 31, 2015 and 2014, respectively, and elimination of intersegment revenues. |
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| Exelon Generation Co L L C [Member] |
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| Segment Reporting Information [Line Items] |
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| Analysis and reconciliation of reportable segment revenues for Generation |
| | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended March 31, 2015 | | Three Months Ended March 31, 2014 | | RNF from external customers(b) | | Intersegment RNF | | Total RNF(a) | | RNF from external customers(b) | | Intersegment RNF | | Total RNF | Mid-Atlantic | $ | 784 |
| | $ | (2 | ) | | $ | 782 |
| | $ | 784 |
| | $ | (89 | ) | | $ | 695 |
| Midwest | 701 |
| | (1 | ) | | 700 |
| | 530 |
| | 26 |
| | 556 |
| New England | 177 |
| | (19 | ) | | 158 |
| | 154 |
| | (18 | ) | | 136 |
| New York | 174 |
| | 14 |
| | 188 |
| | (29 | ) | | 8 |
| | (21 | ) | ERCOT | 88 |
| | (33 | ) | | 55 |
| | 155 |
| | (72 | ) | | 83 |
| Other Power Regions(c) | 99 |
| | (53 | ) | | 46 |
| | 150 |
| | (45 | ) | | 105 |
| Total Revenues net of purchased power and fuel expense for Reportable Segments | 2,023 |
| — |
| (94 | ) | | 1,929 |
| | 1,744 |
| | (190 | ) | | 1,554 |
| Other(d) | 384 |
| | 94 |
| | 478 |
| | (711 | ) | | 190 |
| | (521 | ) | Total Generation Revenues net of purchased power and fuel expense | $ | 2,407 |
| — |
| $ | — |
| | $ | 2,407 |
| | $ | 1,033 |
| | $ | — |
| | $ | 1,033 |
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__________ | | (a) | On April 1, 2014, Generation assumed operational control of CENG's nuclear fleet. As a result, the 2015 financial results include CENG's revenue net of purchased power and fuel expense on a fully consolidated basis. |
| | (b) | Includes purchases and sales from third parties and affiliated sales to ComEd, PECO and BGE. |
| | (c) | Other Power Regions include the South, West and Canada, which are not considered individually significant. |
| | (d) | Other represents activities not allocated to a region. See text above for a description of included activities. Also includes amortization of intangible assets related to commodity contracts recorded at fair value of $38 million increase to RNF and $42 million decrease to RNF for the three months ended March 31, 2015 and 2014, respectively, unrealized mark-to-market gains of $162 million and losses of $730 million for the three months ended March 31, 2015 and 2014, respectively, and the elimination of intersegment revenue net of purchased power and fuel expense. |
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