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Changes in Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Mar. 31, 2024 | Jun. 30, 2023 | Mar. 31, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Changes in Accumulated Other Comprehensive Loss |  |  |  |  |  |
Accumulated other comprehensive loss, Translation Adjustments, Net of Tax, Beginning Balance |  | $ (33) |  | $ (45) | $ (33) | $ (45)
Accumulated other comprehensive loss, Post-Retirement Benefits, Net of Tax, Beginning Balance |  | (22) |  | (25) | (22) | (25)
Accumulated other comprehensive loss, Beginning Balance |  | (55) |  | (70) | (55) | (70)
Other comprehensive income before reclassifications, net of tax Translation Adjustments, Net of Tax |  |  |  |  | (6) | 5
Other comprehensive income before reclassifications, net of tax Total |  |  |  |  | (6) | 5
Reclassifications from accumulated other comprehensive loss to earnings, net of tax Post-Retirement Benefits and Other, Net of Tax |  |  |  |  |  | 2
Reclassifications from accumulated other comprehensive loss to earnings, net of tax |  |  |  |  |  | 2
Other comprehensive income, net of tax, Translation Adjustment, Net of Tax, Total | $ (4) |  | $ 1 |  | (6) | 5
Other comprehensive loss, net of tax, Post-Retirement Benefits and Other, Net of Tax |  |  | 2 |  |  | 2
Other comprehensive (loss) income, net of tax | (4) | $ (2) | 3 | $ 4 | (6) | 7
Accumulated other comprehensive loss, Translation Adjustments, Net of Tax, Ending Balance | (39) |  | (40) |  | (39) | (40)
Accumulated other comprehensive loss, Post-Retirement Benefits and Other, Net of Tax, Ending Balance | (22) |  | (23) |  | (22) | (23)
Accumulated other comprehensive loss, Total, Ending Balance | $ (61) |  | $ (63) |  | $ (61) | $ (63)

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