ACCUMULATED OTHER COMPREHENSIVE LOSS - Accumulated Other Comprehensive Income (Loss) Components (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2021 |
Mar. 31, 2020 |
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| Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] | Ìý | Ìý |
| Changes in derivative financial instruments, Net of taxes | $ 7 | $ (3) |
| Reclassification out of Accumulated Other Comprehensive Income | Ìý | Ìý |
| Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] | Ìý | Ìý |
| Amortization of pension and OPEB liability, Net actuarial loss | 9 | 7 |
| Amortization of pension and OPED liability, Income tax benefit | (2) | (1) |
| Amortization of pension and OPEB liability, Net of taxes | 7 | 6 |
| Changed in derivative finanical instruments, commodity contracts | (1) | 3 |
| Changes in derivative financial instruments, Income tax benefit | 0 | (1) |
| Changes in derivative financial instruments, Net of taxes | (1) | 2 |
| Total reclassifications for the period, net of tax | $ 6 | $ 8 |
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- Definition Amount, after tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of tax expense (benefit) for reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, before tax, of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after tax, of reclassification adjustment from accumulated other comprehensive (income) loss for net periodic benefit cost (credit) of defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of tax (expense) benefit for reclassification adjustment from accumulated other comprehensive (income) loss of defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount after tax of reclassification adjustments of other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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