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Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | $ 3,601 | $ 3,508 | $ 3,577
Other comprehensive (loss) income: |  |  |
Tax (expense) benefit |  |  | 5
Total Other comprehensive income, net of tax | 11 | 22 | 80
Ending balance | 4,037 | 3,601 | 3,508
Accumulated other comprehensive loss |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | (1,841) | (1,863) | (1,943)
Other comprehensive (loss) income: |  |  |
Total Other comprehensive income, net of tax | 11 | 22 | 80
Ending balance | (1,830) | (1,841) | (1,863)
Pension and other postretirement benefits (E) |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | (653) | (799) | (980)
Other comprehensive (loss) income: |  |  |
Other comprehensive gain (loss) income, before reclassifications, before tax | (68) | 87 | 111
Tax benefit (expense) | 15 | (18) | (26)
Total Other comprehensive (loss) income before reclassifications, net of tax | (53) | 69 | 85
Net amount reclassified to earnings | 21 | 99 | 123
Tax (expense) benefit | (4) | (22) | (27)
Total amount reclassified from Accumulated other comprehensive loss, net of tax | 17 | 77 | 96
Total Other comprehensive income, net of tax | (36) | 146 | 181
Ending balance | (689) | (653) | (799)
Foreign currency translation |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | (1,193) | (1,062) | (966)
Other comprehensive (loss) income: |  |  |
Total Other comprehensive income, net of tax | 57 | (131) | (96)
Ending balance | (1,136) | (1,193) | (1,062)
Cash flow hedges |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | 5 | (2) | 3
Other comprehensive (loss) income: |  |  |
Other comprehensive gain (loss) income, before reclassifications, before tax | (19) | (8) | 20
Tax benefit (expense) | 4 | 2 | (4)
Total Other comprehensive (loss) income before reclassifications, net of tax | (15) | (6) | 16
Net amount reclassified to earnings | 6 | 17 | (26)
Tax (expense) benefit | (1) | (4) |
Total amount reclassified from Accumulated other comprehensive loss, net of tax | 5 | 13 | (21)
Total Other comprehensive income, net of tax | (10) | 7 | (5)
Ending balance | $ (5) | $ 5 | $ (2)

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