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Stockholders' Equity - Other Comprehensive Income (Loss) Of Equity Investees (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Pretax Amount |  |  |
Pensions and other postretirement benefits | $ 80 | $ 48 |
Other comprehensive income, before tax | 77 | 40 | $ 68
Tax (Expense) Benefit |  |  |
Other comprehensive income (loss) | (19) | (9) | (17)
Net-of-Tax Amount |  |  |
Reclassification Adjustments | (22) | (17) |
Other comprehensive income, net of tax | 58 | 31 | 51
Pensions And Other Postretirement Liabilities |  |  |
Pretax Amount |  |  |
Pensions and other postretirement benefits | 98 | 59 | 27
Reclassification adjustments for costs included in net income | (28) | (23) | 24
Other comprehensive income, before tax | 70 | 36 | 51
Tax (Expense) Benefit |  |  |
Pensions and other postretirement benefits | (24) | (15) | (7)
Reclassification adjustments for costs included in net income | 6 | 6 | (7)
Other comprehensive income (loss) | (18) | (9) | (14)
Net-of-Tax Amount |  |  |
Pensions and other postretirement benefits | 74 | 44 | 20
Reclassification Adjustments | (22) | (17) | 17
Other comprehensive income, net of tax | 52 | 27 | 37
Other comprehensive income of equity investees |  |  |
Pretax Amount |  |  |
Pensions and other postretirement benefits | 6 | 4 |
Other comprehensive income, before tax | 7 | 4 | 17
Tax (Expense) Benefit |  |  |
Other comprehensive income (loss) | (1) | 0 | (3)
Net-of-Tax Amount |  |  |
Reclassification Adjustments | 0 | 0 |
Other comprehensive income, net of tax | $ 6 | $ 4 | $ 14

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