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Consolidated Statement of Comprehensive Income (Loss) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Comprehensive Income (Loss) [Abstract] |  |  |
Net income | $ 569 | $ 189 | $ 1,140
Changes in fair value of derivative instruments, net of reclassifications into earnings, net of tax benefit (expense) of $(1), $2, and $8 in 2019, 2018, and 2017, respectively | 5 | (3) | (13)
Total other comprehensive income (loss) | 5 | (3) | (13)
COMPREHENSIVE INCOME | $ 574 | $ 186 | $ 1,127

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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e557-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580 + Details
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