Consolidated Comprehensive Income Statement (unaudited) (Parenthetical) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Other comprehensive income (loss)	$ (1,426)	$ (1,668)	$ 149	$ (3,094)	$ (685)

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

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