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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, 2024	Mar. 31, 2023
Call options
Derivative [Line Items]
Change in fair value of derivatives	$ 250	$ 55
Interest rate swaps
Derivative [Line Items]
Change in fair value of derivatives	(80)	0
Futures contracts
Derivative [Line Items]
Change in fair value of derivatives	6	5
Foreign currency forwards
Derivative [Line Items]
Change in fair value of derivatives	3	(1)
Other embedded derivatives
Derivative [Line Items]
Change in fair value of derivatives	3	1
Reinsurance related embedded derivatives
Derivative [Line Items]
Change in fair value of derivatives	(18)	(19)
Total net investment gains
Derivative [Line Items]
Change in fair value of derivatives	164	41
Indexed annuities/IUL embedded derivatives increase
Derivative [Line Items]
Change in fair value of derivatives	$ 421	$ 454

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
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A

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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/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480237/815-40-50-5

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