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Derivative Financial Instruments - Schedule of Change in Fair Value of Derivative Instruments (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Derivative [Line Items]
Change in fair value of derivatives	$ 122	$ 27
Net investment gains (losses)
Derivative [Line Items]
Change in fair value of derivatives	(189)	53
Call options | Net investment gains (losses)
Derivative [Line Items]
Change in fair value of derivatives	(314)	22
Futures contracts | Net investment gains (losses)
Derivative [Line Items]
Change in fair value of derivatives	3	0
Foreign currency forwards | Net investment gains (losses)
Derivative [Line Items]
Change in fair value of derivatives	3	4
Other embedded derivatives | Net investment gains (losses)
Derivative [Line Items]
Change in fair value of derivatives	(3)	0
Reinsurance related embedded derivatives | Net investment gains (losses)
Derivative [Line Items]
Change in fair value of derivatives	122	27
FIA/ IUL embedded derivatives
Derivative [Line Items]
Change in fair value of derivatives	$ (488)	$ (111)

X

- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959

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- Definition

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+ References

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