Retirement Plans and Other Retiree Benefits (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Employee-Related Costs  | Global Productivity Initiative
Components of net periodic benefit cost
Other postretirement charges	$ 5,000,000		$ (14,000,000)
Other Retiree Benefits
Components of net periodic benefit cost
Service cost	6,000,000	$ 7,000,000	11,000,000	$ 13,000,000
Interest cost	9,000,000	9,000,000	19,000,000	18,000,000
Expected return on plan assets	(1,000,000)	0	(1,000,000)	0
Amortization of actuarial loss (gain)	6,000,000	7,000,000	11,000,000	13,000,000
Net periodic benefit cost	20,000,000	23,000,000	40,000,000	44,000,000
Other postretirement charges	7,000,000	0	(1,000,000)	0
Total pension cost	13,000,000	23,000,000	41,000,000	44,000,000
United States | Pension Benefits
Components of net periodic benefit cost
Service cost	1,000,000	1,000,000	1,000,000	1,000,000
Interest cost	16,000,000	15,000,000	32,000,000	30,000,000
Expected return on plan assets	(27,000,000)	(26,000,000)	(52,000,000)	(53,000,000)
Amortization of actuarial loss (gain)	12,000,000	10,000,000	23,000,000	23,000,000
Net periodic benefit cost	2,000,000	0	4,000,000	1,000,000
Other postretirement charges	(4,000,000)	0	(13,000,000)	0
Total pension cost	6,000,000	0	17,000,000	1,000,000
Voluntary benefit plan contribution	0	0	0	0
International | Pension Benefits
Components of net periodic benefit cost
Service cost	3,000,000	4,000,000	8,000,000	8,000,000
Interest cost	0	4,000,000	6,000,000	9,000,000
Expected return on plan assets	1,000,000	(4,000,000)	(5,000,000)	(10,000,000)
Amortization of actuarial loss (gain)	1,000,000	3,000,000	3,000,000	6,000,000
Net periodic benefit cost	5,000,000	7,000,000	12,000,000	13,000,000
Other postretirement charges	2,000,000	0	0	0
Total pension cost	$ 3,000,000	$ 7,000,000	$ 12,000,000	$ 13,000,000