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Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | $ 4,037 | $ 3,601 | $ 3,508
Other comprehensive (loss) income: |  |  |
Tax (expense) benefit |  |  | (4)
Total Other comprehensive (loss) income, net of tax | (48) | 11 | 22
Ending balance | 4,554 | 4,037 | 3,601
Accumulated other comprehensive loss |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | (1,830) | (1,841) | (1,863)
Other comprehensive (loss) income: |  |  |
Total Other comprehensive (loss) income, net of tax | (48) | 11 | 22
Ending balance | (1,878) | (1,830) | (1,841)
Pension and other postretirement benefits |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | (689) | (653) | (799)
Other comprehensive (loss) income: |  |  |
Other comprehensive gain (loss) income, before reclassifications, before tax | 3 | (68) | 87
Tax (expense) benefit | (1) | 15 | (18)
Total Other comprehensive (loss) income before reclassifications, net of tax | 2 | (53) | 69
Net amount reclassified to earnings (5) | 19 | 21 | 99
Tax (expense) benefit | (4) | (4) | (22)
Total amount reclassified from Accumulated other comprehensive loss, net of tax | 15 | 17 | 77
Total Other comprehensive (loss) income, net of tax | 17 | (36) | 146
Ending balance | (672) | (689) | (653)
Foreign currency translation |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | (1,136) | (1,193) | (1,062)
Other comprehensive (loss) income: |  |  |
Total Other comprehensive (loss) income, net of tax | (71) | 57 | (131)
Ending balance | (1,207) | (1,136) | (1,193)
Cash flow hedges |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | (5) | 5 | (2)
Other comprehensive (loss) income: |  |  |
Other comprehensive gain (loss) income, before reclassifications, before tax | 0 | (19) | (8)
Tax (expense) benefit | 0 | 4 | 2
Total Other comprehensive (loss) income before reclassifications, net of tax | 0 | (15) | (6)
Net amount reclassified to earnings (5) | 8 | 6 | 17
Tax (expense) benefit | (2) | (1) |
Total amount reclassified from Accumulated other comprehensive loss, net of tax | 6 | 5 | 13
Total Other comprehensive (loss) income, net of tax | 6 | (10) | 7
Ending balance | $ 1 | $ (5) | $ 5

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