Pension Plans, Postretirement and Other Employee Benefits - Plan Assets Using Fair Value Hierarchy (Details) - Pension Plans - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
U.S.
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	$ 1,210	$ 1,145	$ 1,062
U.S. | Level 1
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	775	882
U.S. | Level 1 | Equity Securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	488	374
U.S. | Level 1 | Equity securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	4	242
U.S. | Level 1 | Fixed income securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	106	140
U.S. | Level 1 | Corporate and other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
U.S. | Level 1 | Government
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	115	25
U.S. | Level 1 | Real Estate and other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
U.S. | Level 1 | Insurance contracts
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
U.S. | Level 1 | Hedge funds
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
U.S. | Level 1 | Cash and equivalents
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	62	80
U.S. | Level 1 | Real Estate And Other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	21
U.S. | Level 2
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	209	52
U.S. | Level 2 | Equity Securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
U.S. | Level 2 | Equity securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
U.S. | Level 2 | Fixed income securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
U.S. | Level 2 | Corporate and other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	163	13
U.S. | Level 2 | Government
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	46	39
U.S. | Level 2 | Real Estate and other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
U.S. | Level 2 | Insurance contracts
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
U.S. | Level 2 | Hedge funds
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
U.S. | Level 2 | Cash and equivalents
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
U.S. | Level 2 | Real Estate And Other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
U.S. | Level 3
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	11	17
U.S. | Level 3 | Equity Securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
U.S. | Level 3 | Equity securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
U.S. | Level 3 | Fixed income securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
U.S. | Level 3 | Corporate and other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
U.S. | Level 3 | Government
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
U.S. | Level 3 | Real Estate and other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
U.S. | Level 3 | Insurance contracts
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
U.S. | Level 3 | Hedge funds
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	11	17
U.S. | Level 3 | Cash and equivalents
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
U.S. | Level 3 | Real Estate And Other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
U.S. | Total
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	995	951
U.S. | Total | Equity Securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	488	374
U.S. | Total | Equity securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	4	242
U.S. | Total | Fixed income securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	106	140
U.S. | Total | Corporate and other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	163	13
U.S. | Total | Government
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	161	64
U.S. | Total | Real Estate and other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
U.S. | Total | Insurance contracts
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
U.S. | Total | Hedge funds
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	11	17
U.S. | Total | Cash and equivalents
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	62	80
U.S. | Total | Real Estate And Other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	21
U.S. | Plan assets measured at net asset value
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	215	194
U.S. | Plan assets measured at net asset value | Equity securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	149	137
U.S. | Plan assets measured at net asset value | Corporate and other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	66	57
U.S. | Plan assets measured at net asset value | Government debt securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
Non-U.S.
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	571	571	$ 523
Non-U.S. | Level 1
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	33	64
Non-U.S. | Level 1 | Equity Securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	1	1
Non-U.S. | Level 1 | Equity securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	4	21
Non-U.S. | Level 1 | Fixed income securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	11	12
Non-U.S. | Level 1 | Corporate and other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	10
Non-U.S. | Level 1 | Government
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	4	14
Non-U.S. | Level 1 | Real Estate and other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	1	1
Non-U.S. | Level 1 | Insurance contracts
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
Non-U.S. | Level 1 | Hedge funds
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
Non-U.S. | Level 1 | Cash and equivalents
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	12	5
Non-U.S. | Level 1 | Real Estate And Other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
Non-U.S. | Level 2
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	243	261
Non-U.S. | Level 2 | Equity Securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
Non-U.S. | Level 2 | Equity securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	38	42
Non-U.S. | Level 2 | Fixed income securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
Non-U.S. | Level 2 | Corporate and other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
Non-U.S. | Level 2 | Government
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	176	189
Non-U.S. | Level 2 | Real Estate and other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	29	30
Non-U.S. | Level 2 | Insurance contracts
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
Non-U.S. | Level 2 | Hedge funds
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
Non-U.S. | Level 2 | Cash and equivalents
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
Non-U.S. | Level 2 | Real Estate And Other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
Non-U.S. | Level 3
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	113	113
Non-U.S. | Level 3 | Equity Securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
Non-U.S. | Level 3 | Equity securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
Non-U.S. | Level 3 | Fixed income securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
Non-U.S. | Level 3 | Corporate and other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
Non-U.S. | Level 3 | Government
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
Non-U.S. | Level 3 | Real Estate and other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
Non-U.S. | Level 3 | Insurance contracts
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	113	113
Non-U.S. | Level 3 | Hedge funds
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
Non-U.S. | Level 3 | Cash and equivalents
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
Non-U.S. | Level 3 | Real Estate And Other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
Non-U.S. | Total
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	389	438
Non-U.S. | Total | Equity Securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	1	1
Non-U.S. | Total | Equity securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	42	63
Non-U.S. | Total | Fixed income securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	11	12
Non-U.S. | Total | Corporate and other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	10
Non-U.S. | Total | Government
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	180	203
Non-U.S. | Total | Real Estate and other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	30	31
Non-U.S. | Total | Insurance contracts
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	113	113
Non-U.S. | Total | Hedge funds
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
Non-U.S. | Total | Cash and equivalents
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	12	5
Non-U.S. | Total | Real Estate And Other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	0	0
Non-U.S. | Plan assets measured at net asset value
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	182	133
Non-U.S. | Plan assets measured at net asset value | Equity securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	31	84
Non-U.S. | Plan assets measured at net asset value | Corporate and other
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	48	13
Non-U.S. | Plan assets measured at net asset value | Government debt securities
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items]
Net plan assets	$ 103	$ 36