v3.25.4

Exit Activities and Asset Sales (Schedule of Retention Benefit Liability Roll Forward) (Details) - Retention Benefits - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Restructuring Reserve [Roll Forward] |  |
Retention benefit liability at beginning of period | $ 14 | $ 16
Costs deferred as a regulatory asset | 7 | 8
Costs paid or settled | (19) | (10)
Retention benefit liability at the end of the period | $ 2 | $ 14

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