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Supplemental Financial Information - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |
Pre-tax loss on investment | $ 0 | $ 0 | $ 1 | $ 3

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- Definition Gain (Loss) On Blue Chip Swap, Pretax + References No definition available. + Details
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