Accumulated Other Comprehensive (Loss) Income (Components of Accumulated Other Comprehensive Income Loss) (Details) - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
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| Accumulated Other Comprehensive Income (Loss) [Line Items] | ||||
| Deferred tax asset (liability) on foreign currency translation adjustments | $ 15 | $ (23) | ||
| Deferred tax asset on net charges related to pension/post-retirement plans | 1,648 | 1,558 | ||
| Components of AOCI | 15,315 | 13,535 | $ 12,370 | |
| Total | ||||
| Accumulated Other Comprehensive Income (Loss) [Line Items] | ||||
| Components of AOCI | (5,429) | (6,240) | (5,295) | $ (5,314) |
| Foreign currency translation adjustments | ||||
| Accumulated Other Comprehensive Income (Loss) [Line Items] | ||||
| Components of AOCI | (1,722) | (2,832) | (2,194) | |
| Pension/Post-Retirement Plans Gains (Losses) | ||||
| Accumulated Other Comprehensive Income (Loss) [Line Items] | ||||
| Components of AOCI | $ (3,707) | $ (3,408) | $ (3,101) |
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- Definition Accumulated Other Comprehensive Income (Loss), Defined Benefit Pension And Other Postretirement Plans, Adjustment, Tax No definition available.
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- Definition Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment Tax No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of equity (deficit) attributable to parent and noncontrolling interest. Excludes temporary equity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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