Pension, Other Postretirement Benefits and Savings Plans - Fair Values of Pension Plan Assets (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	$ 202	$ 1,674
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	360	650
Pension Plan [Member] | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	4,174	5,720	$ 4,970
Pension Plan [Member] | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	2,043	3,272	3,041
Pension Plan [Member] | Fair Value, Inputs, Level 1, 2 and 3 | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	2,685	3,879
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	1,421	2,339
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	5	71
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	177	219
Pension Plan [Member] | Significant Unobservable Inputs (Level 3) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1	1
Pension Plan [Member] | Significant Unobservable Inputs (Level 3) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	20	25
Pension Plan [Member] | Significant Other Observable Inputs (Level 2) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	2,679	3,807
Pension Plan [Member] | Significant Other Observable Inputs (Level 2) | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1,224	2,095
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	7	71
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	47	56
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	5	71
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	43	51
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] | Cash and short term securities | Significant Other Observable Inputs (Level 2) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	2	0
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	5
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	22	28
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	22	28
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, 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, 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	14	20
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	14	20
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 | 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 | Fair Value Measured at Net Asset Value Per Share | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	0	8
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	38	102
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	15	37
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	6	8
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 | 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	9	29
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	111	167
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	3	2
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	1,873	2,673
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	222	286
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	4	5
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	0	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, Corporate Bonds | Significant Other Observable Inputs (Level 2) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1,873	2,673
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	218	281
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	646	958
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	1,369	2,391
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	51	71
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, Government Bonds | Significant Other Observable Inputs (Level 2) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	646	958
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	1,318	2,320
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	(348)	(570)
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 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, 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	(348)	(570)
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	157	172
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	21	26
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	5	7
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, Asset-backed Securities | Significant Other Observable Inputs (Level 2) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	157	172
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	16	19
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
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	25	29
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	19	20
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 | 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	6	9
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	283	388
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	453	708
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	10	9
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	10	9
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 | 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 | Fair Value Measured at Net Asset Value Per Share | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	558	877
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	43	76
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	20	25
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 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	20	25	$ 28
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 Derivatives | Fair Value, Inputs, Level 1, 2 and 3 | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1	4
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	2
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 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 Derivatives | Significant Other Observable Inputs (Level 2) | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	1	4
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	2
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	119	161
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	13
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
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	20
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	153	143
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	29	39
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	222	78
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	14	19
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	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	0
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
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	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
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	3
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
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
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
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
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	44	60
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	43	39
Pension Plan [Member] | Investments Before Other Plan Assets | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	4,185	5,771
Pension Plan [Member] | Investments Before Other Plan Assets | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	2,064	3,337
Pension Plan [Member] | Other Assets | UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	(11)	(51)
Pension Plan [Member] | Other Assets | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total plan assets, fair value	$ (21)	$ (65)