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Derivative Financial Instruments - Schedule of Change in Fair Value of Derivative Instruments (Details) - USD ($) $ in Millions	7 Months Ended	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Derivative [Line Items]
Derivative gains (losses)		$ 34	$ (53)	$ 0
Net investment gains (losses)
Derivative [Line Items]
Derivative gains (losses)	$ 192	653
Call options | Net investment gains (losses)
Derivative [Line Items]
Derivative gains (losses)	229	597
Futures contracts | Net investment gains (losses)
Derivative [Line Items]
Derivative gains (losses)	15	8
Foreign currency forwards | Net investment gains (losses)
Derivative [Line Items]
Derivative gains (losses)	(7)	9
Other embedded derivatives | Net investment gains (losses)
Derivative [Line Items]
Derivative gains (losses)	8	5
Reinsurance related embedded derivatives, included in accounts payable and accrued liabilities | Net investment gains (losses)
Derivative [Line Items]
Derivative gains (losses)	(53)	34
FIA/ IUL embedded derivatives
Derivative [Line Items]
Derivative gains (losses)	$ 552	$ 479

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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+ References

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