Basis of Presentation - Out of Period Correction (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Out-of-period corrections
Total other comprehensive income (loss), net of tax	$ (999)	$ (361)	$ (2,797)	$ (530)
Correction related to other comprehensive income
Out-of-period corrections
Total other comprehensive income (loss), net of tax			$ 256	$ 29

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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-SubTopic 10
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-Name Accounting Standards Codification
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