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Employee Benefits - Schedule of Plan Assets Based on the Level Within the Fair Value Hierarchy in which the Fair Value Measurement Falls (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | $ 2,976 | $ 3,228 | $ 3,345
Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 704 | 734 | 709
Level 1 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 234 | 232 |
Level 1 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 148 | 212 |
Level 2 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 2,128 | 2,468 |
Level 2 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 395 | 384 |
Level 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 6 | 11 | 20
Level 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 161 | 138 | 132
Levels 1, 2 and 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 2,368 | 2,711 |
Levels 1, 2 and 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 704 | 734 |
Cash and cash equivalents | Cash and Cash Equivalents | Level 1 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 52 | 54 |
Cash and cash equivalents | Cash and Cash Equivalents | Level 1 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 66 | 108 |
Cash and cash equivalents | Cash and Cash Equivalents | Level 2 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Cash and cash equivalents | Cash and Cash Equivalents | Level 2 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Cash and cash equivalents | Cash and Cash Equivalents | Level 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Cash and cash equivalents | Cash and Cash Equivalents | Level 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Cash and cash equivalents | Cash and Cash Equivalents | Levels 1, 2 and 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 52 | 54 |
Cash and cash equivalents | Cash and Cash Equivalents | Levels 1, 2 and 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 66 | 108 |
U.S. | U.S. | Level 1 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 163 | 140 |
U.S. | U.S. | Level 1 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
U.S. | U.S. | Level 2 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
U.S. | U.S. | Level 2 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
U.S. | U.S. | Level 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
U.S. | U.S. | Level 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
U.S. | U.S. | Levels 1, 2 and 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 163 | 140 |
U.S. | U.S. | Levels 1, 2 and 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
International | U.S. | Level 1 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 4 | 4 |
International | U.S. | Level 1 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 82 | 104 |
International | U.S. | Level 2 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
International | U.S. | Level 2 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 55 | 35 |
International | U.S. | Level 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
International | U.S. | Level 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
International | U.S. | Levels 1, 2 and 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 4 | 4 |
International | U.S. | Levels 1, 2 and 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 137 | 139 |
U.S. investment grade | Fixed maturity securities | Level 1 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 22 | 24 |
U.S. investment grade | Fixed maturity securities | Level 1 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
U.S. investment grade | Fixed maturity securities | Level 2 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 1,996 | 2,230 |
U.S. investment grade | Fixed maturity securities | Level 2 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
U.S. investment grade | Fixed maturity securities | Level 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 5 | 10 | 10
U.S. investment grade | Fixed maturity securities | Level 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
U.S. investment grade | Fixed maturity securities | Levels 1, 2 and 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 2,023 | 2,264 |
U.S. investment grade | Fixed maturity securities | Levels 1, 2 and 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
International investment grade | Fixed maturity securities | Level 1 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
International investment grade | Fixed maturity securities | Level 1 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
International investment grade | Fixed maturity securities | Level 2 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 101 | 125 |
International investment grade | Fixed maturity securities | Level 2 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 146 | 138 |
International investment grade | Fixed maturity securities | Level 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
International investment grade | Fixed maturity securities | Level 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
International investment grade | Fixed maturity securities | Levels 1, 2 and 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 101 | 125 |
International investment grade | Fixed maturity securities | Levels 1, 2 and 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 146 | 138 |
U.S. and international high yield | Fixed maturity securities | Level 1 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
U.S. and international high yield | Fixed maturity securities | Level 1 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
U.S. and international high yield | Fixed maturity securities | Level 2 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | (40) | 33 |
U.S. and international high yield | Fixed maturity securities | Level 2 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 185 | 192 |
U.S. and international high yield | Fixed maturity securities | Level 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
U.S. and international high yield | Fixed maturity securities | Level 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
U.S. and international high yield | Fixed maturity securities | Levels 1, 2 and 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | (40) | 33 |
U.S. and international high yield | Fixed maturity securities | Levels 1, 2 and 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 185 | 192 |
Mortgage and other asset-backed securities | Fixed maturity securities | Level 1 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Mortgage and other asset-backed securities | Fixed maturity securities | Level 1 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Mortgage and other asset-backed securities | Fixed maturity securities | Level 2 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 54 | 59 |
Mortgage and other asset-backed securities | Fixed maturity securities | Level 2 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Mortgage and other asset-backed securities | Fixed maturity securities | Level 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 1 | 1 | $ 5
Mortgage and other asset-backed securities | Fixed maturity securities | Level 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Mortgage and other asset-backed securities | Fixed maturity securities | Levels 1, 2 and 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 55 | 60 |
Mortgage and other asset-backed securities | Fixed maturity securities | Levels 1, 2 and 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Other fixed maturity securities | Other fixed maturity securities | Level 1 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Other fixed maturity securities | Other fixed maturity securities | Level 1 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Other fixed maturity securities | Other fixed maturity securities | Level 2 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 9 | 12 |
Other fixed maturity securities | Other fixed maturity securities | Level 2 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Other fixed maturity securities | Other fixed maturity securities | Level 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Other fixed maturity securities | Other fixed maturity securities | Level 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Other fixed maturity securities | Other fixed maturity securities | Levels 1, 2 and 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 9 | 12 |
Other fixed maturity securities | Other fixed maturity securities | Levels 1, 2 and 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Futures | Other investments | Level 1 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | (7) | 10 |
Futures | Other investments | Level 1 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Futures | Other investments | Level 2 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Futures | Other investments | Level 2 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Futures | Other investments | Level 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Futures | Other investments | Level 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Futures | Other investments | Levels 1, 2 and 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | (7) | 10 |
Futures | Other investments | Levels 1, 2 and 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Insurance contracts | Other investments | Level 1 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Insurance contracts | Other investments | Level 1 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Insurance contracts | Other investments | Level 2 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 8 | 9 |
Insurance contracts | Other investments | Level 2 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Insurance contracts | Other investments | Level 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Insurance contracts | Other investments | Level 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 161 | 138 |
Insurance contracts | Other investments | Levels 1, 2 and 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 8 | 9 |
Insurance contracts | Other investments | Levels 1, 2 and 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 161 | 138 |
Mutual funds | Other investments | Level 1 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Mutual funds | Other investments | Level 1 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Mutual funds | Other investments | Level 2 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Mutual funds | Other investments | Level 2 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 9 | 19 |
Mutual funds | Other investments | Level 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Mutual funds | Other investments | Level 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Mutual funds | Other investments | Levels 1, 2 and 3 | U.S. Plans | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 0 | 0 |
Mutual funds | Other investments | Levels 1, 2 and 3 | Foreign Plan | Pension |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | 9 | 19 |
Other Investment Types | Fair Value Measured at Net Asset Value Per Share |  |  |
Defined Benefit Plan, Plan Assets, Category [Line Items] |  |  |
Defined benefit plan, plan assets, amount | $ 608 | $ 517 |

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