Pension Benefits (Details) - UNITED STATES - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Defined Benefit Plan Disclosure [Line Items]
Net periodic benefit cost		$ 3	$ 3	$ 7	$ 14
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	[1]	2	0	2	0
General and Administrative Expense [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost		2	2	5	6
Other pension (income) expense [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost		8	8	24	24
Expected return on plan assets		(11)	(11)	(34)	(32)
Amortization of net loss		3	3	8	12
Amortization of prior service cost		$ 1	$ 1	$ 4	$ 4

[1] Loss is a result of settlement transactions which exceeded the sum of annual service and interest costs for the applicable plan. This loss was recorded in Other pension (income) expense.