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) | |