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Equity, Income Tax Effects on Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Before-Tax Amount |  |  |
Other comprehensive income (loss) before income tax expense | $ 553 | $ (284) | $ 329
Tax Expense (Benefit) |  |  |
Income tax expense related to items of other comprehensive income (loss) | 18 | 70 | 82
Net Amount |  |  |
Other comprehensive income (loss) | 535 | (354) | 247
Foreign Currency Translation Adjustment [Member] |  |  |
Before-Tax Amount |  |  |
Other comprehensive income (loss), before reclassifications, before tax | 433 | (613) | (47)
Tax Expense (Benefit) |  |  |
Other comprehensive income (loss), before reclassifications, tax expense (benefit) | 0 | (7) | 0
Net Amount |  |  |
Other comprehensive income (loss), before reclassifications, net of tax | 433 | (606) | (47)
Net Gain (Loss) on Pension and Other Postretirement Benefits [Member] |  |  |
Before-Tax Amount |  |  |
Effect of exchange rates, before tax | 4 |  | 2
Other comprehensive income (loss) before income tax expense | 30 | 335 | 378
Tax Expense (Benefit) |  |  |
Effect of exchange rates, tax expense | 1 |  | 0
Income tax expense related to items of other comprehensive income (loss) | 9 | 77 | 82
Net Amount |  |  |
Effect of exchange rates, net amount | 3 |  | 2
Other comprehensive income (loss) | 21 | 258 | 296
Net Actuarial Gain (Loss) [Member] |  |  |
Before-Tax Amount |  |  |
Other comprehensive income (loss), before reclassifications, before tax | 77 | 244 | 317
Reclassification from accumulated other comprehensive loss, current period, before tax | (12) | 52 | 80
Tax Expense (Benefit) |  |  |
Other comprehensive income (loss), before reclassifications, tax expense (benefit) | 18 | 57 | 69
Reclassification from accumulated other comprehensive loss, current period, tax expense (benefit) | (3) | 12 | 18
Net Amount |  |  |
Other comprehensive income (loss), before reclassifications, net of tax | 59 | 187 | 248
Reclassification from accumulated other comprehensive loss, current period, net of tax | (9) | 40 | 62
Prior Service Cost (Credit) [Member] |  |  |
Before-Tax Amount |  |  |
Other comprehensive income (loss), before reclassifications, before tax | (19) |  | (4)
Reclassification from accumulated other comprehensive loss, current period, before tax | (22) | (22) | (25)
Tax Expense (Benefit) |  |  |
Other comprehensive income (loss), before reclassifications, tax expense (benefit) | (4) |  | (1)
Reclassification from accumulated other comprehensive loss, current period, tax expense (benefit) | (5) | (5) | (6)
Net Amount |  |  |
Other comprehensive income (loss), before reclassifications, net of tax | (15) |  | (3)
Reclassification from accumulated other comprehensive loss, current period, net of tax | (17) | (17) | (19)
Miscellaneous Loss [Member] |  |  |
Before-Tax Amount |  |  |
Other comprehensive income (loss), before reclassifications, before tax | 0 |  |
Tax Expense (Benefit) |  |  |
Other comprehensive income (loss), before reclassifications, tax expense (benefit) | 2 |  |
Net Amount |  |  |
Other comprehensive income (loss), before reclassifications, net of tax | (2) |  |
Settlement Loss [Member] |  |  |
Before-Tax Amount |  |  |
Reclassification from accumulated other comprehensive loss, current period, before tax | 2 | 61 | 8
Tax Expense (Benefit) |  |  |
Reclassification from accumulated other comprehensive loss, current period, tax expense (benefit) | 0 | 13 | 2
Net Amount |  |  |
Reclassification from accumulated other comprehensive loss, current period, net of tax | 2 | 48 | 6
Net Gain (Loss) from Derivative Instruments Designated and Qualifying as Cash Flow Hedges [Member] |  |  |
Before-Tax Amount |  |  |
Other comprehensive income (loss), before reclassifications, before tax | 82 | (292) | (48)
Reclassification from accumulated other comprehensive loss, current period, before tax | 8 | 286 | 46
Other comprehensive income (loss) before income tax expense | 90 | (6) | (2)
Tax Expense (Benefit) |  |  |
Other comprehensive income (loss), before reclassifications, tax expense (benefit) | 8 | (32) | (5)
Reclassification from accumulated other comprehensive loss, current period, tax expense (benefit) | 1 | 32 | 5
Income tax expense related to items of other comprehensive income (loss) | 9 | 0 | 0
Net Amount |  |  |
Other comprehensive income (loss), before reclassifications, net of tax | 74 | (260) | (43)
Reclassification from accumulated other comprehensive loss, current period, net of tax | 7 | 254 | 41
Other comprehensive income (loss) | $ 81 | $ (6) | $ (2)

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