Consolidated Comprehensive Income Statement (unaudited) (Parenthetical) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2025	Jun. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Statement of Comprehensive Income [Abstract]
Other comprehensive income (loss)	$ 187	$ 566	$ 1,033	$ 1,294	$ 1,026

Amount after tax of other comprehensive income (loss) attributable to parent entity.

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