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, 2021	Dec. 31, 2020	Dec. 31, 2019
Change in Benefit Obligation [Roll Forward]
Beginning of year balance	$ 319	$ 312
Service cost	1	1	$ 3
Interest cost	7	9	12
Actuarial (gain)/loss	(8)	17
Foreign exchange rate changes	1	1
Benefits Paid	19	21
End of year balance	301	319	312
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	310	294
Actual return on plan assets	5	35
Employer contribution	0	0
Foreign exchange rate changes	1	2
Fair value of plan assets, end of year balance	296	310	294
Funded status	(6)	(10)
Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax	(95)	(101)
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax	(6)	(8)
Total	(101)	(109)
Amounts Recognized in Balance Sheet [Abstract]
Noncurrent pension assets, included in “Other assets”	6	7
Current pension liabilities, included in “Accounts payable and accrued liabilities”	0	0
Noncurrent pension liabilities, included in “Other long-term liabilities”	(12)	(17)
Benefits Expected to be Paid from Benefit Plans [Abstract]
2022	76
2023	19
2024	16
2025	16
2026	16
2027– 2031	72
Defined Benefit Plan, Plan Assets, Benefits Paid	19	21
Other comprehensive income before reclassifications, net of taxes	(5)	(8)	(4)
Amortization of amounts included in net periodic benefit cost	5	2	3
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment and Tax	(1)	3	0
Multi-strategy Funds
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	48
Fair value of plan assets, end of year balance	0	48
Domestic stock funds
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	56
Fair value of plan assets, end of year balance		56
International stock funds
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	46
Fair value of plan assets, end of year balance		46
Domestic bond funds
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	94
Fair value of plan assets, end of year balance	180	94
Significant Unobservable Inputs (Level 3)
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	0
Fair value of plan assets, end of year balance	0	0
Significant Unobservable Inputs (Level 3) | Multi-strategy Funds
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	0
Fair value of plan assets, end of year balance	0	0
Significant Unobservable Inputs (Level 3) | Domestic stock funds
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	0
Fair value of plan assets, end of year balance		0
Significant Unobservable Inputs (Level 3) | International stock funds
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	0
Fair value of plan assets, end of year balance		0
Significant Unobservable Inputs (Level 3) | Domestic bond funds
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	0
Fair value of plan assets, end of year balance	0	0
Fair Value, Inputs, Level 1 [Member]
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	167
Fair value of plan assets, end of year balance	58	167
Fair Value, Inputs, Level 1 [Member] | Multi-strategy Funds
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	48
Fair value of plan assets, end of year balance	0	48
Fair Value, Inputs, Level 1 [Member] | Domestic stock funds
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	56
Fair value of plan assets, end of year balance		56
Fair Value, Inputs, Level 1 [Member] | International stock funds
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	46
Fair value of plan assets, end of year balance		46
Fair Value, Inputs, Level 1 [Member] | Domestic bond funds
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	17
Fair value of plan assets, end of year balance	0	17
Fair Value, Inputs, Level 2
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	28
Fair value of plan assets, end of year balance	204	28
Fair Value, Inputs, Level 2 | Multi-strategy Funds
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	0
Fair value of plan assets, end of year balance	0	0
Fair Value, Inputs, Level 2 | Domestic stock funds
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	0
Fair value of plan assets, end of year balance		0
Fair Value, Inputs, Level 2 | International stock funds
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	0
Fair value of plan assets, end of year balance		0
Fair Value, Inputs, Level 2 | Domestic bond funds
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	0
Fair value of plan assets, end of year balance	180	0
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Change in Benefit Obligation [Roll Forward]
Foreign exchange rate changes		0
Change in Assets (Fair Value) [Roll Forward]
Total	101
Benefits Expected to be Paid from Benefit Plans [Abstract]
Amortization of amounts included in net periodic benefit cost	5	5	$ 4
Defined Benefit, US Plans [Member]
Change in Benefit Obligation [Roll Forward]
Beginning of year balance	262
End of year balance	247	262
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	246
Fair value of plan assets, end of year balance	237	246
Funded status	$ (11)	$ (16)
Weighted average assumptions for obligations as of measurement date [Abstract]
Discount rate	2.60%	2.30%
Defined Benefit, Canadian Plans [Member]
Change in Benefit Obligation [Roll Forward]
Beginning of year balance	$ 58
End of year balance	54	$ 58
Change in Assets (Fair Value) [Roll Forward]
Fair value of plan assets, beginning of year balance	64
Fair value of plan assets, end of year balance	59	64
Funded status	$ 5	$ 6
Weighted average assumptions for obligations as of measurement date [Abstract]
Discount rate	2.60%	2.30%