Pension, Savings and Other Postretirement Benefit Plans - Fair Values of Pension Plan Assets (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Pension Plans | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	$ 3,041	$ 3,447	$ 3,724
Pension Plans | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1,964	1,906	2,146
Pension Plans | Cash and Short Term Securities | Total | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	7	3
Pension Plans | Cash and Short Term Securities | Total | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	42	34
Pension Plans | Cash and Short Term Securities | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0
Pension Plans | Cash and Short Term Securities | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value		0
Pension Plans | Cash and Short Term Securities | Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	39	32
Pension Plans | Cash and Short Term Securities | Significant Other Observable Inputs (Level 2) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	7	3
Pension Plans | Cash and Short Term Securities | Significant Other Observable Inputs (Level 2) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	3	2
Pension Plans | Cash and Short Term Securities | Significant Unobservable Inputs (Level 3) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Cash and Short Term Securities | Significant Unobservable Inputs (Level 3) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Equity Securities, Common and Preferred Stock | Total | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Equity Securities, Common and Preferred Stock | Total | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1	1
Pension Plans | Equity Securities, Common and Preferred Stock | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Equity Securities, Common and Preferred Stock | Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1	1
Pension Plans | Equity Securities, Common and Preferred Stock | Significant Other Observable Inputs (Level 2) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Equity Securities, Common and Preferred Stock | Significant Other Observable Inputs (Level 2) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Equity Securities, Common and Preferred Stock | Significant Unobservable Inputs (Level 3) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Equity Securities, Common and Preferred Stock | Significant Unobservable Inputs (Level 3) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Equity Securities, Commingled Funds | Total | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Equity Securities, Commingled Funds | Total | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	7	7
Pension Plans | Equity Securities, Commingled Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Equity Securities, Commingled Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	7	7
Pension Plans | Equity Securities, Commingled Funds | Significant Other Observable Inputs (Level 2) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Equity Securities, Commingled Funds | Significant Other Observable Inputs (Level 2) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Equity Securities, Commingled Funds | Significant Unobservable Inputs (Level 3) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Equity Securities, Commingled Funds | Significant Unobservable Inputs (Level 3) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Equity Securities, Commingled Funds | Investments Measured at Net Asset Value, as Practical Expedient: | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Equity Securities, Commingled Funds | Investments Measured at Net Asset Value, as Practical Expedient: | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	28	31
Pension Plans | Equity Securities, Mutual Funds | Total | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Equity Securities, Mutual Funds | Total | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	29	50
Pension Plans | Equity Securities, Mutual Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Equity Securities, Mutual Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	29	27
Pension Plans | Equity Securities, Mutual Funds | Significant Other Observable Inputs (Level 2) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Equity Securities, Mutual Funds | Significant Other Observable Inputs (Level 2) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	23
Pension Plans | Equity Securities, Mutual Funds | Significant Unobservable Inputs (Level 3) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Equity Securities, Mutual Funds | Significant Unobservable Inputs (Level 3) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Equity Securities, Mutual Funds | Investments Measured at Net Asset Value, as Practical Expedient: | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Equity Securities, Mutual Funds | Investments Measured at Net Asset Value, as Practical Expedient: | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	5	4
Pension Plans | Equity Securities, Partnership Interests | Investments Measured at Net Asset Value, as Practical Expedient: | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	58	77
Pension Plans | Equity Securities, Partnership Interests | Investments Measured at Net Asset Value, as Practical Expedient: | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Corporate Bonds | Total | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1,886	2,003
Pension Plans | Debt Securities, Corporate Bonds | Total | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	194	193
Pension Plans | Debt Securities, Corporate Bonds | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Corporate Bonds | Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Corporate Bonds | Significant Other Observable Inputs (Level 2) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1,886	2,003
Pension Plans | Debt Securities, Corporate Bonds | Significant Other Observable Inputs (Level 2) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	194	193
Pension Plans | Debt Securities, Corporate Bonds | Significant Unobservable Inputs (Level 3) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Corporate Bonds | Significant Unobservable Inputs (Level 3) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Government Bonds | Total | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	609	654
Pension Plans | Debt Securities, Government Bonds | Total | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1,501	1,475
Pension Plans | Debt Securities, Government Bonds | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Government Bonds | Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	59	54
Pension Plans | Debt Securities, Government Bonds | Significant Other Observable Inputs (Level 2) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	609	654
Pension Plans | Debt Securities, Government Bonds | Significant Other Observable Inputs (Level 2) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1,442	1,421
Pension Plans | Debt Securities, Government Bonds | Significant Unobservable Inputs (Level 3) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Government Bonds | Significant Unobservable Inputs (Level 3) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Repurchase Agreements | Total | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Repurchase Agreements | Total | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	(366)	(425)
Pension Plans | Debt Securities, Repurchase Agreements | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Repurchase Agreements | Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Repurchase Agreements | Significant Other Observable Inputs (Level 2) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Repurchase Agreements | Significant Other Observable Inputs (Level 2) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	(366)	(425)
Pension Plans | Debt Securities, Repurchase Agreements | Significant Unobservable Inputs (Level 3) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Repurchase Agreements | Significant Unobservable Inputs (Level 3) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Asset-Backed Securities | Total | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	198	193
Pension Plans | Debt Securities, Asset-Backed Securities | Total | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	23	17
Pension Plans | Debt Securities, Asset-Backed Securities | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Asset-Backed Securities | Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Asset-Backed Securities | Significant Other Observable Inputs (Level 2) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	198	193
Pension Plans | Debt Securities, Asset-Backed Securities | Significant Other Observable Inputs (Level 2) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	23	17
Pension Plans | Debt Securities, Asset-Backed Securities | Significant Unobservable Inputs (Level 3) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Asset-Backed Securities | Significant Unobservable Inputs (Level 3) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Commingled Funds | Total | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Commingled Funds | Total | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	16	16
Pension Plans | Debt Securities, Commingled Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Commingled Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	16	16
Pension Plans | Debt Securities, Commingled Funds | Significant Other Observable Inputs (Level 2) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Commingled Funds | Significant Other Observable Inputs (Level 2) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Commingled Funds | Significant Unobservable Inputs (Level 3) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Commingled Funds | Significant Unobservable Inputs (Level 3) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Commingled Funds | Investments Measured at Net Asset Value, as Practical Expedient: | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	56	210
Pension Plans | Debt Securities, Commingled Funds | Investments Measured at Net Asset Value, as Practical Expedient: | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	336	363
Pension Plans | Debt Securities, Mutual Funds | Total | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Mutual Funds | Total | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	42	38
Pension Plans | Debt Securities, Mutual Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Mutual Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	42	38
Pension Plans | Debt Securities, Mutual Funds | Significant Other Observable Inputs (Level 2) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Mutual Funds | Significant Other Observable Inputs (Level 2) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Mutual Funds | Significant Unobservable Inputs (Level 3) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Mutual Funds | Significant Unobservable Inputs (Level 3) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Debt Securities, Mutual Funds | Investments Measured at Net Asset Value, as Practical Expedient: | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	14	75
Pension Plans | Debt Securities, Mutual Funds | Investments Measured at Net Asset Value, as Practical Expedient: | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	39	40
Pension Plans | Debt Securities, Partnership Interests | Investments Measured at Net Asset Value, as Practical Expedient: | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	120	131
Pension Plans | Debt Securities, Partnership Interests | Investments Measured at Net Asset Value, as Practical Expedient: | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	5	14
Pension Plans | Alternatives, Commingled Funds | Total | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Alternatives, Commingled Funds | Total | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	2	1
Pension Plans | Alternatives, Commingled Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Alternatives, Commingled Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	2	1
Pension Plans | Alternatives, Commingled Funds | Significant Other Observable Inputs (Level 2) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Alternatives, Commingled Funds | Significant Other Observable Inputs (Level 2) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Alternatives, Commingled Funds | Significant Unobservable Inputs (Level 3) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Alternatives, Commingled Funds | Significant Unobservable Inputs (Level 3) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Alternatives, Commingled Funds | Investments Measured at Net Asset Value, as Practical Expedient: | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Alternatives, Commingled Funds | Investments Measured at Net Asset Value, as Practical Expedient: | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	22	21
Pension Plans | Alternatives, Insurance Contracts | Total | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1	1
Pension Plans | Alternatives, Insurance Contracts | Total | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	24	23
Pension Plans | Alternatives, Insurance Contracts | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Alternatives, Insurance Contracts | Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Alternatives, Insurance Contracts | Significant Other Observable Inputs (Level 2) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Alternatives, Insurance Contracts | Significant Other Observable Inputs (Level 2) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Alternatives, Insurance Contracts | Significant Unobservable Inputs (Level 3) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1	1
Pension Plans | Alternatives, Insurance Contracts | Significant Unobservable Inputs (Level 3) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	24	23	$ 21
Pension Plans | Alternatives, Derivatives | Total | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	9	7
Pension Plans | Alternatives, Derivatives | Total | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	8	0
Pension Plans | Alternatives, Derivatives | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Alternatives, Derivatives | Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Alternatives, Derivatives | Significant Other Observable Inputs (Level 2) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	9	7
Pension Plans | Alternatives, Derivatives | Significant Other Observable Inputs (Level 2) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	8	0
Pension Plans | Alternatives, Derivatives | Significant Unobservable Inputs (Level 3) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Alternatives, Derivatives | Significant Unobservable Inputs (Level 3) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Alternatives, Mutual Funds | Total | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Alternatives, Mutual Funds | Total | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	7	1
Pension Plans | Alternatives, Mutual Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Alternatives, Mutual Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	7	1
Pension Plans | Alternatives, Mutual Funds | Significant Other Observable Inputs (Level 2) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Alternatives, Mutual Funds | Significant Other Observable Inputs (Level 2) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Alternatives, Mutual Funds | Significant Unobservable Inputs (Level 3) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Alternatives, Mutual Funds | Significant Unobservable Inputs (Level 3) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plans | Alternatives, Partnership Interests | Investments Measured at Net Asset Value, as Practical Expedient: | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value		0
Pension Plans | Alternatives, Partnership Interests | Investments Measured at Net Asset Value, as Practical Expedient: | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value		11
Pension Plans | Short Term Securities, Commingled Funds | Investments Measured at Net Asset Value, as Practical Expedient: | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	88	101
Pension Plans | Short Term Securities, Commingled Funds | Investments Measured at Net Asset Value, as Practical Expedient: | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	25	8
Pension Plans | Total Investments | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	3,046	3,455
Pension Plans | Total Investments | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1,990	1,923
Pension Plans | Other Assets | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	(5)	(8)
Pension Plans | Other Assets | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	(26)	(17)
Retirement Plan | Total | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	2,710	2,861
Retirement Plan | Total | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1,530	1,431
Retirement Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Retirement Plan | Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	202	177
Retirement Plan | Significant Other Observable Inputs (Level 2) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	2,709	2,860
Retirement Plan | Significant Other Observable Inputs (Level 2) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1,304	1,231
Retirement Plan | Significant Unobservable Inputs (Level 3) | U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1	1
Retirement Plan | Significant Unobservable Inputs (Level 3) | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	$ 24	$ 23