Pension, Other Postretirement Benefits and Savings Plans - Fair Values of Pension Plan Assets (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	$ 203	$ 202
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	445	360
Pension Plan [Member] | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	3,724	4,174	$ 5,720
Pension Plan [Member] | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	2,146	2,043	3,272
Pension Plan [Member] | Fair Value, Inputs, Level 1, 2 and 3 | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	2,741	2,685
Pension Plan [Member] | Fair Value, Inputs, Level 1, 2 and 3 | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1,644	1,421
Pension Plan [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	6	5
Pension Plan [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	200	177
Pension Plan [Member] | Significant Other Observable Inputs (Level 2) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	2,733	2,679
Pension Plan [Member] | Significant Other Observable Inputs (Level 2) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1,423	1,224
Pension Plan [Member] | Significant Unobservable Inputs (Level 3) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	2	1
Pension Plan [Member] | Significant Unobservable Inputs (Level 3) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	21	20
Pension Plan [Member] | Cash and short term securities | Fair Value, Inputs, Level 1, 2 and 3 | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	11	7
Pension Plan [Member] | Cash and short term securities | Fair Value, Inputs, Level 1, 2 and 3 | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	50	47
Pension Plan [Member] | Cash and short term securities | Quoted Prices in Active Markets for Identical Assets (Level 1) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	6	5
Pension Plan [Member] | Cash and short term securities | Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	46	43
Pension Plan [Member] | Cash and short term securities | Significant Other Observable Inputs (Level 2) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	5	2
Pension Plan [Member] | Cash and short term securities | Significant Other Observable Inputs (Level 2) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	4	4
Pension Plan [Member] | Cash and short term securities | Significant Unobservable Inputs (Level 3) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Cash and short term securities | Significant Unobservable Inputs (Level 3) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Equity Securities, Common and Preferred Stock | Fair Value, Inputs, Level 1, 2 and 3 | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Equity Securities, Common and Preferred Stock | Fair Value, Inputs, Level 1, 2 and 3 | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1	22
Pension Plan [Member] | Equity Securities, Common and Preferred Stock | Quoted Prices in Active Markets for Identical Assets (Level 1) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Equity Securities, Common and Preferred Stock | Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1	22
Pension Plan [Member] | Equity Securities, Common and Preferred Stock | Significant Other Observable Inputs (Level 2) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Equity Securities, Common and Preferred Stock | Significant Other Observable Inputs (Level 2) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Equity Securities, Common and Preferred Stock | Significant Unobservable Inputs (Level 3) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Equity Securities, Common and Preferred Stock | Significant Unobservable Inputs (Level 3) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Equity Securities, Commingled Funds | Fair Value, Inputs, Level 1, 2 and 3 | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Equity Securities, Commingled Funds | Fair Value, Inputs, Level 1, 2 and 3 | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	5	14
Pension Plan [Member] | Equity Securities, Commingled Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Equity Securities, Commingled Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	5	14
Pension Plan [Member] | Equity Securities, Commingled Funds | Significant Other Observable Inputs (Level 2) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Equity Securities, Commingled Funds | Significant Other Observable Inputs (Level 2) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Equity Securities, Commingled Funds | Significant Unobservable Inputs (Level 3) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Equity Securities, Commingled Funds | Significant Unobservable Inputs (Level 3) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Equity Securities, Commingled Funds | Fair Value Measured at Net Asset Value Per Share | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Equity Securities, Commingled Funds | Fair Value Measured at Net Asset Value Per Share | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	29	38
Pension Plan [Member] | Equity Securities, Mutual Funds | Fair Value, Inputs, Level 1, 2 and 3 | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Equity Securities, Mutual Funds | Fair Value, Inputs, Level 1, 2 and 3 | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	43	15
Pension Plan [Member] | Equity Securities, Mutual Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Equity Securities, Mutual Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	22	6
Pension Plan [Member] | Equity Securities, Mutual Funds | Significant Other Observable Inputs (Level 2) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Equity Securities, Mutual Funds | Significant Other Observable Inputs (Level 2) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	21	9
Pension Plan [Member] | Equity Securities, Mutual Funds | Significant Unobservable Inputs (Level 3) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Equity Securities, Mutual Funds | Significant Unobservable Inputs (Level 3) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Equity Securities, Mutual Funds | Fair Value Measured at Net Asset Value Per Share | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	111
Pension Plan [Member] | Equity Securities, Mutual Funds | Fair Value Measured at Net Asset Value Per Share | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	4	3
Pension Plan [Member] | Equity Securities, Partnership Interests | Fair Value Measured at Net Asset Value Per Share | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	95	119
Pension Plan [Member] | Equity Securities, Partnership Interests | Fair Value Measured at Net Asset Value Per Share | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Corporate Bonds | Fair Value, Inputs, Level 1, 2 and 3 | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1,832	1,873
Pension Plan [Member] | Debt Securities, Corporate Bonds | Fair Value, Inputs, Level 1, 2 and 3 | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	223	222
Pension Plan [Member] | Debt Securities, Corporate Bonds | Quoted Prices in Active Markets for Identical Assets (Level 1) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Corporate Bonds | Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	4
Pension Plan [Member] | Debt Securities, Corporate Bonds | Significant Other Observable Inputs (Level 2) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1,831	1,873
Pension Plan [Member] | Debt Securities, Corporate Bonds | Significant Other Observable Inputs (Level 2) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	223	218
Pension Plan [Member] | Debt Securities, Corporate Bonds | Significant Unobservable Inputs (Level 3) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1	0
Pension Plan [Member] | Debt Securities, Corporate Bonds | Significant Unobservable Inputs (Level 3) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Government Bonds | Fair Value, Inputs, Level 1, 2 and 3 | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	729	646
Pension Plan [Member] | Debt Securities, Government Bonds | Fair Value, Inputs, Level 1, 2 and 3 | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1,676	1,369
Pension Plan [Member] | Debt Securities, Government Bonds | Quoted Prices in Active Markets for Identical Assets (Level 1) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Government Bonds | Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	67	51
Pension Plan [Member] | Debt Securities, Government Bonds | Significant Other Observable Inputs (Level 2) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	729	646
Pension Plan [Member] | Debt Securities, Government Bonds | Significant Other Observable Inputs (Level 2) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1,609	1,318
Pension Plan [Member] | Debt Securities, Government Bonds | Significant Unobservable Inputs (Level 3) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Government Bonds | Significant Unobservable Inputs (Level 3) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Repurchase Agreements | Fair Value, Inputs, Level 1, 2 and 3 | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Repurchase Agreements | Fair Value, Inputs, Level 1, 2 and 3 | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	(453)	(348)
Pension Plan [Member] | Debt Securities, Repurchase Agreements | Quoted Prices in Active Markets for Identical Assets (Level 1) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Repurchase Agreements | Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Repurchase Agreements | Significant Other Observable Inputs (Level 2) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Repurchase Agreements | Significant Other Observable Inputs (Level 2) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	(453)	(348)
Pension Plan [Member] | Debt Securities, Repurchase Agreements | Significant Unobservable Inputs (Level 3) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Repurchase Agreements | Significant Unobservable Inputs (Level 3) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Asset-backed Securities | Fair Value, Inputs, Level 1, 2 and 3 | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	163	157
Pension Plan [Member] | Debt Securities, Asset-backed Securities | Fair Value, Inputs, Level 1, 2 and 3 | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	18	21
Pension Plan [Member] | Debt Securities, Asset-backed Securities | Quoted Prices in Active Markets for Identical Assets (Level 1) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Asset-backed Securities | Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	5
Pension Plan [Member] | Debt Securities, Asset-backed Securities | Significant Other Observable Inputs (Level 2) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	163	157
Pension Plan [Member] | Debt Securities, Asset-backed Securities | Significant Other Observable Inputs (Level 2) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	18	16
Pension Plan [Member] | Debt Securities, Asset-backed Securities | Significant Unobservable Inputs (Level 3) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Asset-backed Securities | Significant Unobservable Inputs (Level 3) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Commingled Funds | Fair Value, Inputs, Level 1, 2 and 3 | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Commingled Funds | Fair Value, Inputs, Level 1, 2 and 3 | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	18	25
Pension Plan [Member] | Debt Securities, Commingled Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Commingled Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	18	19
Pension Plan [Member] | Debt Securities, Commingled Funds | Significant Other Observable Inputs (Level 2) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Commingled Funds | Significant Other Observable Inputs (Level 2) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	6
Pension Plan [Member] | Debt Securities, Commingled Funds | Significant Unobservable Inputs (Level 3) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Commingled Funds | Significant Unobservable Inputs (Level 3) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Commingled Funds | Fair Value Measured at Net Asset Value Per Share | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	216	283
Pension Plan [Member] | Debt Securities, Commingled Funds | Fair Value Measured at Net Asset Value Per Share | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	385	453
Pension Plan [Member] | Debt Securities, Mutual Funds | Fair Value, Inputs, Level 1, 2 and 3 | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Mutual Funds | Fair Value, Inputs, Level 1, 2 and 3 | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	38	10
Pension Plan [Member] | Debt Securities, Mutual Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Mutual Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	38	10
Pension Plan [Member] | Debt Securities, Mutual Funds | Significant Other Observable Inputs (Level 2) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Mutual Funds | Significant Other Observable Inputs (Level 2) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Mutual Funds | Significant Unobservable Inputs (Level 3) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Mutual Funds | Significant Unobservable Inputs (Level 3) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Debt Securities, Mutual Funds | Fair Value Measured at Net Asset Value Per Share | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	289	558
Pension Plan [Member] | Debt Securities, Mutual Funds | Fair Value Measured at Net Asset Value Per Share | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	44	43
Pension Plan [Member] | Debt Securities, Partnership Interests | Fair Value Measured at Net Asset Value Per Share | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	150	153
Pension Plan [Member] | Debt Securities, Partnership Interests | Fair Value Measured at Net Asset Value Per Share | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	23	29
Pension Plan [Member] | Alternatives, Commingled Funds | Fair Value, Inputs, Level 1, 2 and 3 | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Alternatives, Commingled Funds | Fair Value, Inputs, Level 1, 2 and 3 | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	2	3
Pension Plan [Member] | Alternatives, Commingled Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Alternatives, Commingled Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	2	3
Pension Plan [Member] | Alternatives, Commingled Funds | Significant Other Observable Inputs (Level 2) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Alternatives, Commingled Funds | Significant Other Observable Inputs (Level 2) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Alternatives, Commingled Funds | Significant Unobservable Inputs (Level 3) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Alternatives, Commingled Funds | Significant Unobservable Inputs (Level 3) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Alternatives, Commingled Funds | Fair Value Measured at Net Asset Value Per Share | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	44
Pension Plan [Member] | Alternatives, Commingled Funds | Fair Value Measured at Net Asset Value Per Share | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	27	43
Pension Plan [Member] | Alternatives, Insurance Contracts | Fair Value, Inputs, Level 1, 2 and 3 | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1	1
Pension Plan [Member] | Alternatives, Insurance Contracts | Fair Value, Inputs, Level 1, 2 and 3 | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	21	20
Pension Plan [Member] | Alternatives, Insurance Contracts | Quoted Prices in Active Markets for Identical Assets (Level 1) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Alternatives, Insurance Contracts | Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Alternatives, Insurance Contracts | Significant Other Observable Inputs (Level 2) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Alternatives, Insurance Contracts | Significant Other Observable Inputs (Level 2) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Alternatives, Insurance Contracts | Significant Unobservable Inputs (Level 3) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1	1
Pension Plan [Member] | Alternatives, Insurance Contracts | Significant Unobservable Inputs (Level 3) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	21	20	$ 25
Pension Plan [Member] | Alternatives Derivatives | Fair Value, Inputs, Level 1, 2 and 3 | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	5	1
Pension Plan [Member] | Alternatives Derivatives | Fair Value, Inputs, Level 1, 2 and 3 | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1	1
Pension Plan [Member] | Alternatives Derivatives | Quoted Prices in Active Markets for Identical Assets (Level 1) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Alternatives Derivatives | Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Alternatives Derivatives | Significant Other Observable Inputs (Level 2) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	5	1
Pension Plan [Member] | Alternatives Derivatives | Significant Other Observable Inputs (Level 2) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1	1
Pension Plan [Member] | Alternatives Derivatives | Significant Unobservable Inputs (Level 3) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Alternatives Derivatives | Significant Unobservable Inputs (Level 3) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Alternatives, Mutual Funds | Fair Value, Inputs, Level 1, 2 and 3 | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0
Pension Plan [Member] | Alternatives, Mutual Funds | Fair Value, Inputs, Level 1, 2 and 3 | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1
Pension Plan [Member] | Alternatives, Mutual Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0
Pension Plan [Member] | Alternatives, Mutual Funds | Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1
Pension Plan [Member] | Alternatives, Mutual Funds | Significant Other Observable Inputs (Level 2) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0
Pension Plan [Member] | Alternatives, Mutual Funds | Significant Other Observable Inputs (Level 2) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0
Pension Plan [Member] | Alternatives, Mutual Funds | Significant Unobservable Inputs (Level 3) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0
Pension Plan [Member] | Alternatives, Mutual Funds | Significant Unobservable Inputs (Level 3) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0
Pension Plan [Member] | Alternatives Partnership Interests | Fair Value Measured at Net Asset Value Per Share | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	0
Pension Plan [Member] | Alternatives Partnership Interests | Fair Value Measured at Net Asset Value Per Share | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	9	20
Pension Plan [Member] | Short Term Securities, Commingled Funds | Fair Value Measured at Net Asset Value Per Share | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	227	222
Pension Plan [Member] | Short Term Securities, Commingled Funds | Fair Value Measured at Net Asset Value Per Share | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	7	14
Pension Plan [Member] | Short Term Securities Pooled Separate Accounts | Fair Value Measured at Net Asset Value Per Share | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value		10
Pension Plan [Member] | Short Term Securities Pooled Separate Accounts | Fair Value Measured at Net Asset Value Per Share | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value		0
Pension Plan [Member] | Investments Before Other Plan Assets | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	3,718	4,185
Pension Plan [Member] | Investments Before Other Plan Assets | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	2,172	2,064
Pension Plan [Member] | Other Assets | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	6	(11)
Pension Plan [Member] | Other Assets | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	$ (26)	$ (21)