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Stockholders' Equity - Other Comprehensive Income (Loss) Of Equity Investees (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Pretax Amount |  |  |
Pensions and other postretirement benefits | $ 34 | $ 161 |
Other comprehensive income (loss), before tax | 68 | 250 | $ (138)
Tax (Expense) Benefit |  |  |
Other comprehensive income (loss) | (17) | (58) | 35
Net-of-Tax Amount |  |  |
Reclassification Adjustments | 17 | 31 |
Other comprehensive income (loss), net of tax | 51 | 192 | (103)
Pensions And Other Postretirement Liabilities |  |  |
Pretax Amount |  |  |
Pensions and other postretirement benefits | 27 | 185 | (167)
Reclassification adjustments for costs included in net income | 24 | 41 | 27
Other comprehensive income (loss), before tax | 51 | 226 | (140)
Tax (Expense) Benefit |  |  |
Pensions and other postretirement benefits | (7) | (46) | 42
Reclassification adjustments for costs included in net income | (7) | (10) | (7)
Other comprehensive income (loss) | (14) | (56) | 35
Net-of-Tax Amount |  |  |
Pensions and other postretirement benefits | 20 | 139 | (125)
Reclassification Adjustments | 17 | 31 | 20
Other comprehensive income (loss), net of tax | 37 | 170 | (105)
Other comprehensive income of equity investees |  |  |
Pretax Amount |  |  |
Pensions and other postretirement benefits | 14 | 22 |
Other comprehensive income (loss), before tax | 17 | 24 | 2
Tax (Expense) Benefit |  |  |
Other comprehensive income (loss) | (3) | (2) | 0
Net-of-Tax Amount |  |  |
Reclassification Adjustments | 0 | 0 |
Other comprehensive income (loss), net of tax | $ 14 | $ 22 | $ 2

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