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Reclassifications from Accumulated Other Comprehensive Income - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Equity [Abstract]
Transfer of realized (gains)/losses in fair value to earnings	$ (44)	$ 285	$ 279

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- Definition

Amount after tax of reclassification adjustments of other comprehensive income (loss).

+ References

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