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Deferred Policy Acquisition Costs, Value of Business Acquired and Other Intangibles (Information Regarding DSI) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Variable Annuities
Deferred Sale Inducement Cost [Line Items]
Balance, beginning of period	$ 245	$ 272
Amortization	(7)	(7)
Balance, end of period	238	265
Fixed Rate Annuities
Deferred Sale Inducement Cost [Line Items]
Balance, beginning of period	9	10
Amortization	0	0
Balance, end of period	$ 9	$ 10

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2B
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-Publisher FASB
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Amount of amortization expense (reversal of expense) for deferred sales inducement cost.

+ References

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Amount of deferred sale inducement cost capitalized on contract remaining in force.

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