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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Net income (loss) | $ 230 | $ 174 | $ 627 | $ 566
Amounts arising during the period - gains (losses), net of tax (expense) benefit: |  |  |  |
Equity investees' other comprehensive income (loss), net of tax | 0 | 0 | 1 | 2
Prior Service Costs, net of tax | 0 | 0 | 0 | (1)
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) | (10) | (21) | 11
Reclassifications from AOCI - (gains) losses, net of tax expense (benefit): |  |  |  |
Qualifying derivatives, net of tax | 1 | 0 | 2 | 1
Other Comprehensive (Income) Loss, Defined Benefit Plans, after Reclassification Adjustment, after Tax [Abstract] |  |  |  |
Defined benefit plans, Prior service costs, net of tax | 0 | 1 | 1 | 2
Defined benefit plans, Net actuarial (gain) loss, net of tax | 0 | 3 | (1) | 12
Total other comprehensive income (loss) | (5) | (6) | (18) | 27
Comprehensive income (loss) | $ 225 | $ 168 | $ 609 | $ 593

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