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v3.25.3

Other Comprehensive Income Information (Amounts Reclassified Out Of Acc Other Comp Income/(Expense)) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Other Comprehensive Income Information Before Tax [Abstract] |  |  |  |
Amortization and settlement of postretirement benefits reserves adjustment included in net periodic benefit costs (Statement of Income line: Non-service pension and postretirement benefit expense) | $ (5) | $ (21) | $ (42) | $ (55)

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- Definition Defined Benefit Plan Amortization Of Actuarial Loss/Gain And Prior Service Cost Credit And Recognized Net Gain/Loss Due To Settlements And Curtailments + References No definition available. + Details
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