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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Net income (loss) | $ 19 | $ 344 | $ (1,821) | $ 898
Amounts arising during the period - gains (losses), net of tax (expense) benefit: |  |  |  |
Foreign currency translation adjustments, amounts arising during the period, net of tax | 69 | (291) | 372 | (352)
Qualifying derivatives, amounts arising during the period, net of tax | (9) | 28 | (39) | 36
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax [Abstract] |  |  |  |
Defined benefit plan, Net actuarial gain (loss), amounts arising during the period, net of tax | (6) | (1) | (6) | (1)
Reclassifications from AOCI - (gains) losses, net of tax expense (benefit): |  |  |  |
Qualifying derivatives, net of tax | (1) | (20) | 24 | (23)
Other Comprehensive (Income) Loss, Defined Benefit Plans, after Reclassification Adjustment, after Tax [Abstract] |  |  |  |
Defined benefit plans, Prior service costs, net of tax | (7) | 1 | (7) | 2
Defined benefit plans, Net actuarial (gain) loss, net of tax | 67 | 47 | 107 | 94
Total other comprehensive income (loss) | 3,691 | (236) | 4,029 | (244)
Comprehensive income (loss) | 3,710 | 108 | 2,208 | 654
Foreign currency translation adjustments, net of tax | 786 | 0 | 786 | 0
Qualifying derivatives, net of tax | 15 | 0 | 15 | 0
Net actuarial (gain) loss, net of tax | 2,769 | 0 | 2,769 | 0
Prior service costs, net of tax | $ 8 | $ 0 | $ 8 | $ 0

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