Accumulated Comprehensive Loss (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Tax	$ 1	$ 23	$ 2
Accumulated comprehensive loss, net of tax, beginning of period	(89)	(99)	(174)	$ (151)
Amortization of amounts included in net periodic benefit cost	0	1	5
Translation Adjustment Functional to Reporting Currency, Net of Tax, Period Increase (Decrease)	(6)	(2)	28
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	4	71	0
Accumulated comprehensive loss, net of tax, end of period	(89)	(99)	(174)	(151)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated comprehensive loss, net of tax, beginning of period	0	(5)	(76)	(81)
Amortization of amounts included in net periodic benefit cost	0	0	5
Translation Adjustment Functional to Reporting Currency, Net of Tax, Period Increase (Decrease)	0	0	0
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	4	71	0
Accumulated comprehensive loss, net of tax, end of period	0	(5)	(76)	(81)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated comprehensive loss, net of tax, beginning of period	(89)	(94)	(96)	(68)
Amortization of amounts included in net periodic benefit cost	0	0	0
Translation Adjustment Functional to Reporting Currency, Net of Tax, Period Increase (Decrease)	(6)	(2)	28
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	0	0
Accumulated comprehensive loss, net of tax, end of period	(89)	(94)	(96)	(68)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated comprehensive loss, net of tax, beginning of period	0	0	(1)	(2)
Amortization of amounts included in net periodic benefit cost	0	1	0
Translation Adjustment Functional to Reporting Currency, Net of Tax, Period Increase (Decrease)	0	0	0
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	0	0
Accumulated comprehensive loss, net of tax, end of period	$ 0	$ 0	$ (1)	$ (2)