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Pension And Other Postretirement Benefits (Fair Value Of Benefit Plan Assets) (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
United States |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | $ 11,244 | $ 11,367
United States | Total At Fair Value [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, net asset value | 9,665 | 4,015
Fair value of plan assets | 11,242 | 11,364
United States | U.S. Equity Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, net asset value | 2,263 | 2,114
Fair value of plan assets | 2,263 | 2,114
United States | Non-U.S. Equity Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, net asset value | 1,225 | 1,344
Fair value of plan assets | 1,225 | 1,344
United States | Private Equity [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, net asset value | 439 | 375
Fair value of plan assets | 439 | 375
United States | Corporate Debt Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, net asset value | 4,498 | 1
Fair value of plan assets | 5,469 | 4,700
United States | Government Debt Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, net asset value | 1,126 | 2
Fair value of plan assets | 1,718 | 2,652
United States | Asset-Backed Debt Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, net asset value | 1 | 1
Fair value of plan assets | 1 | 1
United States | Cash [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, net asset value | 113 | 178
Fair value of plan assets | 113 | 178
United States | Defined Benefit Plan Other Assets [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 14 |
United States | Insurance Contracts At Contract Value [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 2 | 3
United States | Fair Value Inputs Level 2 [Member] | Total At Fair Value [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, fair value hierarchy | 1,577 | 7,349
United States | Fair Value Inputs Level 2 [Member] | Corporate Debt Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, fair value hierarchy | 971 | 4,699
United States | Fair Value Inputs Level 2 [Member] | Government Debt Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, fair value hierarchy | 592 | 2,650
United States | Fair Value Inputs Level 2 [Member] | Defined Benefit Plan Other Assets [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, fair value hierarchy | 14 |
Pension Benefits - Non-U.S. [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 17,378 | 18,431
Pension Benefits - Non-U.S. [Member] | Total At Fair Value [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, net asset value | 16,957 | 17,763
Fair value of plan assets | 17,363 | 18,409
Pension Benefits - Non-U.S. [Member] | U.S. Equity Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, net asset value | 2,865 | 2,642
Fair value of plan assets | 2,865 | 2,642
Pension Benefits - Non-U.S. [Member] | Non-U.S. Equity Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, net asset value | 1,560 | 1,688
Fair value of plan assets | 1,603 | 1,740
Pension Benefits - Non-U.S. [Member] | Private Equity [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, net asset value | 291 | 294
Fair value of plan assets | 291 | 294
Pension Benefits - Non-U.S. [Member] | Corporate Debt Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, net asset value | 3,650 | 4,370
Fair value of plan assets | 3,699 | 4,431
Pension Benefits - Non-U.S. [Member] | Government Debt Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, net asset value | 8,222 | 8,429
Fair value of plan assets | 8,440 | 8,734
Pension Benefits - Non-U.S. [Member] | Asset-Backed Debt Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, net asset value | 180 | 221
Fair value of plan assets | 192 | 243
Pension Benefits - Non-U.S. [Member] | Other Debt Obligations [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, net asset value | 13 | 4
Fair value of plan assets | 13 | 4
Pension Benefits - Non-U.S. [Member] | Employee Benefit Plan, Real Estate [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, net asset value | 107 | 70
Fair value of plan assets | 107 | 70
Pension Benefits - Non-U.S. [Member] | Cash [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, net asset value | 69 | 45
Fair value of plan assets | 153 | 251
Pension Benefits - Non-U.S. [Member] | Insurance Contracts At Contract Value [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 15 | 22
Pension Benefits - Non-U.S. [Member] | Fair Value Inputs Level 1 [Member] | Total At Fair Value [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, fair value hierarchy | 198 | 375
Pension Benefits - Non-U.S. [Member] | Fair Value Inputs Level 1 [Member] | Non-U.S. Equity Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, fair value hierarchy | 43 | 52
Pension Benefits - Non-U.S. [Member] | Fair Value Inputs Level 1 [Member] | Government Debt Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, fair value hierarchy | 77 | 134
Pension Benefits - Non-U.S. [Member] | Fair Value Inputs Level 1 [Member] | Cash [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, fair value hierarchy | 78 | 189
Pension Benefits - Non-U.S. [Member] | Fair Value Inputs Level 2 [Member] | Total At Fair Value [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, fair value hierarchy | 208 | 271
Pension Benefits - Non-U.S. [Member] | Fair Value Inputs Level 2 [Member] | Corporate Debt Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, fair value hierarchy | 49 | 61
Pension Benefits - Non-U.S. [Member] | Fair Value Inputs Level 2 [Member] | Government Debt Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, fair value hierarchy | 141 | 171
Pension Benefits - Non-U.S. [Member] | Fair Value Inputs Level 2 [Member] | Asset-Backed Debt Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, fair value hierarchy | 12 | 22
Pension Benefits - Non-U.S. [Member] | Fair Value Inputs Level 2 [Member] | Cash [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets, fair value hierarchy | $ 6 | $ 17

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