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

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Period Type:	duration

Basis of Presentation - Out of Period Correction (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Out-of-period corrections
Total other comprehensive income (loss), net of tax	$ (900)	$ 143		$ (1,798)	$ (169)
Correction related to other comprehensive income
Out-of-period corrections
Total other comprehensive income (loss), net of tax	$ 140		$ 29	$ 256