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Revenue Recognition (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Disaggregation of Revenue [Line Items] |  |  |  |
Subtotal | $ 479 | $ 448 | $ 1,407 | $ 1,370
Alternative revenue programs, net of amortization | (9) | 4 | 0 | 5
Other accrued (deferred) revenues, net | 7 | 4 | 13 | 17
Total retail revenues | 477 | 456 | 1,420 | 1,392
Wholesale revenues | 56 | 72 | 130 | 125
Other operating revenue | 14 | 14 | 39 | 58
Total revenues | 547 | 542 | 1,589 | 1,575
Gain on Derivative Instruments, Pretax | 31 | 25 | 55 | 38
Residential [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Subtotal | 245 | 218 | 747 | 713
Commercial [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Subtotal | 164 | 167 | 463 | 479
Industrial [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Subtotal | 58 | 50 | 162 | 144
Direct Access customers [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Subtotal | $ 12 | $ 13 | $ 35 | $ 34

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- Definition Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from change in estimate of transaction price which (increases) decreases obligation to transfer good or service to customer for which consideration from customer has been received or is due. Includes, but is not limited to, change in assessment of whether estimate of variable consideration is constrained. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045 + Details
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- Definition Aggregate gain on all derivative instruments recognized in earnings during the period, before tax effects. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959 + Details
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