Retirement Plans and Post Retirement Benefits Funded Status, Assumptions Used in Benefit Obligations and Amounts Recognized in Balance Sheets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Change in Benefit Obligation [Roll Forward]
Beginning of year balance	$ 3	$ 301
Service cost	1	3	$ 1
Interest cost	0	7	7
Actuarial (gain)/loss	0	(47)
Foreign exchange rate changes	0	(2)
Benefits Paid	0
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement	(2)	(247)
End of year balance	2	3	301
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	6	296
Actual return on plan assets	(1)	(33)
Employer contribution	(2)	5
Foreign exchange rate changes	0	(2)
Fair value of plan assets, end of year balance	0	6	296
Funded status	(2)	2
Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax	(1)	(1)
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax	0	(6)
Total	(1)	(6)
Amounts Recognized in Balance Sheet [Abstract]
Noncurrent pension assets, included in “Other assets”	0	4
Current pension liabilities, included in “Accounts payable and accrued liabilities”	0	0
Noncurrent pension liabilities, included in “Other long-term liabilities”	(2)	(2)
Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Abstract]
Defined Benefit Plan, Plan Assets, Benefits Paid	0	13
Defined Benefit Plan, Plan Assets, Payment for Settlement	(2)	(247)
Total amounts recognized in other comprehensive income	(4)	(71)	(5)
Amortization of amounts included in net periodic benefit cost	0	1	5
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Abstract]
Amortization of amounts included in net periodic benefit cost	0	0	$ 5
Defined Benefit, US Plans [Member]
Change in Benefit Obligation [Roll Forward]
Beginning of year balance	2
End of year balance	1	2
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	1
Fair value of plan assets, end of year balance	0	1
Funded status	(1)	$ 0
Weighted average assumptions for obligations as of measurement date [Abstract]
Discount rate		2.30%
Defined Benefit, Canadian Plans [Member]
Change in Benefit Obligation [Roll Forward]
Beginning of year balance	2
End of year balance	1	$ 2
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	4
Fair value of plan assets, end of year balance	0	4
Funded status	$ (1)	$ 3
Weighted average assumptions for obligations as of measurement date [Abstract]
Discount rate		3.80%