Pension Plans, Postretirement and Other Employee Benefits - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]
Curtailment loss (gain)		$ (21)
Settlement loss		(6)
Pension Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 2	1	$ 2
Interest cost	31	41	53
Expected return on plan assets	(65)	(64)	(67)
Curtailment loss (gain)	0	0	0
Settlement loss	0	1	6
Net Amortization [Abstract]
Actuarial loss	12	6	5
Prior service cost (credit)	0	0	0
Net periodic costs	(20)	(15)	(1)
Pension Plans | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Service cost	26	25	24
Interest cost	17	18	24
Expected return on plan assets	(16)	(17)	(19)
Curtailment loss (gain)	0	0	0
Settlement loss	1	6	1
Net Amortization [Abstract]
Actuarial loss	8	8	5
Prior service cost (credit)	1	0	1
Net periodic costs	37	40	36
Other Postretirement Benefits Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0	1
Interest cost	6	9	13
Expected return on plan assets	0	0	0
Curtailment loss (gain)	0	(21)	(7)
Settlement loss	0	0	0
Net Amortization [Abstract]
Actuarial loss	2	2	4
Prior service cost (credit)	(10)	(7)	(8)
Net periodic costs	$ (2)	$ (17)	$ 3