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Quarterly report pursuant to Section 13 or 15(d)

ACCUMULATED OTHER COMPREHENSIVE LOSS - Accumulated Other Comprehensive Income (Loss) Components (Details)

v3.21.2
ACCUMULATED OTHER COMPREHENSIVE LOSS - Accumulated Other Comprehensive Income (Loss) Components (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] Ìý Ìý Ìý Ìý
Changes in derivative financial instruments, Net of taxes $ 47 $ 4 $ 54 $ 1
Reclassification out of Accumulated Other Comprehensive Income Ìý Ìý Ìý Ìý
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] Ìý Ìý Ìý Ìý
Prior service credits 0 (1) 0 (1)
Net actuarial loss 9 8 18 15
Total before taxes 9 7 18 14
Amortization of pension and OPED liability, Income tax benefit (2) (1) (4) (2)
Amortization of pension and OPEB liability, Net of taxes 7 6 14 12
Changed in derivative finanical instruments, commodity contracts (5) 4 (6) 7
Changes in derivative financial instruments, Income tax benefit 1 (1) 1 (2)
Changes in derivative financial instruments, Net of taxes (4) 3 (5) 5
Total reclassifications for the period, net of tax $ 3 $ 9 $ 9 $ 17