Pension Plans, Postretirement and Other Employee Benefits - Summary of Amount Recognized in Balance Sheets for Pension Plans and Postretirement Benefit Plan (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Noncurrent liabilities	$ (830)	$ (1,101)
Pension Plans | U.S.
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at December 31 of the previous year	1,383	1,320
Service cost	2	1
Interest cost	31	41	$ 53
Settlement	0	0
Administrative expenses/taxes paid	0	0
Plan amendments	0	1
Actuarial (gain)/loss	(45)	114
Other	0	0
Benefits paid	(93)	(94)
Participants’ contributions	0	0
Currency rate conversion and other	0	0
Currency rate conversion and other	0	0
Benefit obligation at December 31	1,278	1,383	1,320
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Balance at December 31 of the previous year	1,145	1,062
Settlement	0	0
Actual return on plan assets	154	126
Administrative expenses/taxes paid	0	0
Employer contributions	4	51
Participants’ contributions	0	0
Benefits paid	(93)	(94)
Currency rate conversion and other	0	0
Other	0	0
Currency rate conversion and other	0	0
Ending Balance at December 31	1,210	1,145	1,062
Funded status of the plans	(68)	(238)
Noncurrent assets	0	0
Current liabilities	(3)	(2)
Noncurrent liabilities	(65)	(236)
Net amount recognized	(68)	(238)
Pension Plans | Non-U.S.
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at December 31 of the previous year	1,122	1,048
Service cost	26	25
Interest cost	17	18	24
Settlement	(5)	(17)
Administrative expenses/taxes paid	(5)	(5)
Plan amendments	0	0
Actuarial (gain)/loss	(39)	28
Other	0	2
Benefits paid	(43)	(44)
Participants’ contributions	1	1
Currency rate conversion and other	50	(66)
Currency rate conversion and other	(50)	66
Benefit obligation at December 31	1,024	1,122	1,048
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Balance at December 31 of the previous year	571	523
Settlement	(5)	(17)
Actual return on plan assets	24	47
Administrative expenses/taxes paid	(5)	(5)
Employer contributions	41	42
Participants’ contributions	1	1
Benefits paid	(43)	(44)
Currency rate conversion and other	50	(66)
Other	0	2
Currency rate conversion and other	(13)	22
Ending Balance at December 31	571	571	523
Funded status of the plans	(453)	(551)
Noncurrent assets	75	37
Current liabilities	(17)	(18)
Noncurrent liabilities	(511)	(570)
Net amount recognized	(453)	(551)
Other Postretirement Benefits Plans
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at December 31 of the previous year	237	300
Service cost	0	0
Interest cost	6	9	13
Settlement	0	0
Administrative expenses/taxes paid	0	0
Plan amendments	(20)	(59)
Actuarial (gain)/loss	(16)	5
Other	0	0
Benefits paid	(18)	(18)
Participants’ contributions	1	0
Currency rate conversion and other	0	0
Currency rate conversion and other	0	0
Benefit obligation at December 31	190	237	300
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Balance at December 31 of the previous year	0	0
Settlement	0	0
Actual return on plan assets	0	0
Administrative expenses/taxes paid	0	0
Employer contributions	17	18
Participants’ contributions	1	0
Benefits paid	(18)	(18)
Currency rate conversion and other	0	0
Other	0	0
Currency rate conversion and other	0	0
Ending Balance at December 31	0	0	$ 0
Funded status of the plans	(190)	(237)
Noncurrent assets	0	0
Current liabilities	(18)	(23)
Noncurrent liabilities	(172)	(214)
Net amount recognized	(190)	(237)
Postretirement liability	$ 82	$ 81