Pension and Other Postretirement Benefits (Details 2) - USD ($)	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
North America \| Pension Plans
Pre-tax amounts recognized in accumulated other comprehensive loss
Prior service cost	$ 3,000,000	$ 4,000,000
Net actuarial loss	43,000,000	79,000,000
Pre-tax amounts recognized in accumulated other comprehensive loss, total	46,000,000	83,000,000
Net periodic benefit cost and other amounts recognized in accumulated other comprehensive loss:
Service cost	20,000,000	17,000,000	$ 14,000,000
Interest cost	21,000,000	25,000,000	30,000,000
Expected return on plan assets	(24,000,000)	(30,000,000)	(32,000,000)
Amortization of prior service cost (benefit)	1,000,000	1,000,000	0
Amortization of actuarial loss (gain)	5,000,000	3,000,000	0
Net periodic benefit cost (income)	23,000,000	16,000,000	12,000,000
Net actuarial (gain) loss	(31,000,000)	(1,000,000)	3,000,000
Prior service cost (credit)	0	0	4,000,000
Amortization of prior service (cost) benefit	(1,000,000)	(1,000,000)	0
Amortization of actuarial (loss) gain	(5,000,000)	(3,000,000)	0
Total recognized in other comprehensive (income) loss	(37,000,000)	(5,000,000)	7,000,000
Total recognized in net periodic benefit cost (income) and other comprehensive (income) loss	(14,000,000)	11,000,000	19,000,000
Benefit obligation and fair value of plan assets by pension plans
Defined Benefit Plan, Accumulated Benefit Obligation	797,000,000	834,000,000
Accumulated benefit obligation	0	678,000,000
Fair value of plan assets	0	667,000,000
Projected benefit obligation	(684,000,000)	(715,000,000)
Fair value of plan assets	656,000,000	667,000,000
Consolidated pension funding contributions for 2022	2,000,000
North America \| Retiree Medical
Pre-tax amounts recognized in accumulated other comprehensive loss
Prior service cost	0	0
Net actuarial loss	4,000,000	4,000,000
Pre-tax amounts recognized in accumulated other comprehensive loss, total	4,000,000	4,000,000
Net periodic benefit cost and other amounts recognized in accumulated other comprehensive loss:
Service cost	0	0	0
Interest cost	1,000,000	1,000,000	1,000,000
Expected return on plan assets	0	0	0
Amortization of prior service cost (benefit)	0	0	(1,000,000)
Amortization of actuarial loss (gain)	0	(1,000,000)	(1,000,000)
Net periodic benefit cost (income)	1,000,000	0	(1,000,000)
Net actuarial (gain) loss	0	1,000,000	(4,000,000)
Prior service cost (credit)	0	0	0
Amortization of prior service (cost) benefit	0	0	1,000,000
Amortization of actuarial (loss) gain	0	1,000,000	1,000,000
Total recognized in other comprehensive (income) loss	0	2,000,000	(2,000,000)
Total recognized in net periodic benefit cost (income) and other comprehensive (income) loss	1,000,000	2,000,000	(3,000,000)
UNITED KINGDOM
Pre-tax amounts recognized in accumulated other comprehensive loss
Prior service cost	1,000,000	1,000,000
Net actuarial loss	89,000,000	129,000,000
Pre-tax amounts recognized in accumulated other comprehensive loss, total	90,000,000	130,000,000
UNITED KINGDOM \| Pension Plans
Net periodic benefit cost and other amounts recognized in accumulated other comprehensive loss:
Service cost	0	0	0
Interest cost	9,000,000	11,000,000	15,000,000
Expected return on plan assets	(14,000,000)	(14,000,000)	(18,000,000)
Amortization of prior service cost (benefit)	0	0	0
Amortization of actuarial loss (gain)	4,000,000	3,000,000	0
Net periodic benefit cost (income)	(1,000,000)	0	(3,000,000)
Net actuarial (gain) loss	(36,000,000)	(4,000,000)	60,000,000
Prior service cost (credit)	0	0	(3,000,000)
Amortization of prior service (cost) benefit	0	0	0
Amortization of actuarial (loss) gain	(4,000,000)	(3,000,000)	0
Total recognized in other comprehensive (income) loss	(40,000,000)	(7,000,000)	57,000,000
Total recognized in net periodic benefit cost (income) and other comprehensive (income) loss	(41,000,000)	(7,000,000)	$ 54,000,000
Benefit obligation and fair value of plan assets by pension plans
Accumulated benefit obligation	590,000,000	643,000,000
Fair value of plan assets	505,000,000	491,000,000
Projected benefit obligation	(590,000,000)	(643,000,000)
Fair value of plan assets	505,000,000	$ 491,000,000
Consolidated pension funding contributions for 2022	$ 27,000,000

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