Employee Benefits - Schedule of plan assets based on the level within the fair value hierarchy in which the fair value measurement falls (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	$ 3,345	$ 4,746	$ 4,931
Level 1 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	244	459
Level 1 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	194	269
Level 2 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	2,501	3,319
Level 2 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	403	556
Level 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	20	25	16
Level 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	134	171	179
Levels 1, 2 and 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	2,765	3,803
Levels 1, 2 and 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	731	996
Cash and cash equivalents | Cash and Cash Equivalents | Level 1 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	119	118
Cash and cash equivalents | Cash and Cash Equivalents | Level 1 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	64	84
Cash and cash equivalents | Cash and Cash Equivalents | Level 2 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Cash and cash equivalents | Cash and Cash Equivalents | Level 2 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Cash and cash equivalents | Cash and Cash Equivalents | Level 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Cash and cash equivalents | Cash and Cash Equivalents | Level 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Cash and cash equivalents | Cash and Cash Equivalents | Levels 1, 2 and 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	119	118
Cash and cash equivalents | Cash and Cash Equivalents | Levels 1, 2 and 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	64	84
U.S. | U.S. | Level 1 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	90	301
U.S. | U.S. | Level 1 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
U.S. | U.S. | Level 2 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
U.S. | U.S. | Level 2 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
U.S. | U.S. | Level 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
U.S. | U.S. | Level 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
U.S. | U.S. | Levels 1, 2 and 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	90	301
U.S. | U.S. | Levels 1, 2 and 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
International | U.S. | Level 1 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	5	9
International | U.S. | Level 1 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	130	185
International | U.S. | Level 2 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
International | U.S. | Level 2 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	44	54
International | U.S. | Level 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
International | U.S. | Level 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
International | U.S. | Levels 1, 2 and 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	5	9
International | U.S. | Levels 1, 2 and 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	174	239
U.S. investment grade | Fixed maturity securities | Level 1 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	45	27
U.S. investment grade | Fixed maturity securities | Level 1 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
U.S. investment grade | Fixed maturity securities | Level 2 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	2,213	2,858
U.S. investment grade | Fixed maturity securities | Level 2 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
U.S. investment grade | Fixed maturity securities | Level 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	10	16	10
U.S. investment grade | Fixed maturity securities | Level 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
U.S. investment grade | Fixed maturity securities | Levels 1, 2 and 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	2,268	2,901
U.S. investment grade | Fixed maturity securities | Levels 1, 2 and 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
International investment grade | Fixed maturity securities | Level 1 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
International investment grade | Fixed maturity securities | Level 1 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
International investment grade | Fixed maturity securities | Level 2 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	177	302
International investment grade | Fixed maturity securities | Level 2 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	140	180
International investment grade | Fixed maturity securities | Level 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
International investment grade | Fixed maturity securities | Level 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
International investment grade | Fixed maturity securities | Levels 1, 2 and 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	177	302
International investment grade | Fixed maturity securities | Levels 1, 2 and 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	140	180
U.S. and international high yield | Fixed maturity securities | Level 1 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
U.S. and international high yield | Fixed maturity securities | Level 1 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
U.S. and international high yield | Fixed maturity securities | Level 2 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	58	90
U.S. and international high yield | Fixed maturity securities | Level 2 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	184	239
U.S. and international high yield | Fixed maturity securities | Level 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
U.S. and international high yield | Fixed maturity securities | Level 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
U.S. and international high yield | Fixed maturity securities | Levels 1, 2 and 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	58	90
U.S. and international high yield | Fixed maturity securities | Levels 1, 2 and 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	184	239
Mortgage and other asset-backed securities | Fixed maturity securities | Level 1 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Mortgage and other asset-backed securities | Fixed maturity securities | Level 1 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Mortgage and other asset-backed securities | Fixed maturity securities | Level 2 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	43	55
Mortgage and other asset-backed securities | Fixed maturity securities | Level 2 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Mortgage and other asset-backed securities | Fixed maturity securities | Level 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	5	1	0
Mortgage and other asset-backed securities | Fixed maturity securities | Level 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Mortgage and other asset-backed securities | Fixed maturity securities | Levels 1, 2 and 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	48	56
Mortgage and other asset-backed securities | Fixed maturity securities | Levels 1, 2 and 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Other fixed maturity securities | Fixed maturity securities | Level 1 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount		0
Other fixed maturity securities | Fixed maturity securities | Level 1 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount		0
Other fixed maturity securities | Fixed maturity securities | Level 2 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount		3
Other fixed maturity securities | Fixed maturity securities | Level 2 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount		19
Other fixed maturity securities | Fixed maturity securities | Level 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount		0
Other fixed maturity securities | Fixed maturity securities | Level 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount		0
Other fixed maturity securities | Fixed maturity securities | Levels 1, 2 and 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount		3
Other fixed maturity securities | Fixed maturity securities | Levels 1, 2 and 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount		19
Futures | Other investments | Level 1 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	(15)	4
Futures | Other investments | Level 1 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Futures | Other investments | Level 2 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Futures | Other investments | Level 2 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Futures | Other investments | Level 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Futures | Other investments | Level 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Futures | Other investments | Levels 1, 2 and 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	(15)	4
Futures | Other investments | Levels 1, 2 and 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Direct private equity | Level 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	5	8	$ 6
Direct private equity | Other investments | Level 1 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Direct private equity | Other investments | Level 1 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Direct private equity | Other investments | Level 2 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Direct private equity | Other investments | Level 2 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Direct private equity | Other investments | Level 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	5	8
Direct private equity | Other investments | Level 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Direct private equity | Other investments | Levels 1, 2 and 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	5	8
Direct private equity | Other investments | Levels 1, 2 and 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Insurance contracts | Other investments | Level 1 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Insurance contracts | Other investments | Level 1 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Insurance contracts | Other investments | Level 2 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	10	11
Insurance contracts | Other investments | Level 2 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Insurance contracts | Other investments | Level 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Insurance contracts | Other investments | Level 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	134	171
Insurance contracts | Other investments | Levels 1, 2 and 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	10	11
Insurance contracts | Other investments | Levels 1, 2 and 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	134	171
Mutual funds | Other investments | Level 1 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Mutual funds | Other investments | Level 1 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Mutual funds | Other investments | Level 2 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Mutual funds | Other investments | Level 2 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	35	64
Mutual funds | Other investments | Level 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Mutual funds | Other investments | Level 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Mutual funds | Other investments | Levels 1, 2 and 3 | U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	0	0
Mutual funds | Other investments | Levels 1, 2 and 3 | Non-U.S. Plans | Pension
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	35	64
Other Investment Types | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan, Plan Assets, Category [Line Items]
Defined benefit plan, plan assets, amount	$ 580	$ 943