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Derivative Financial Instruments - Schedule of Change in Fair Value of Derivative Instruments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Derivative [Line Items]
Derivative gains (losses)	$ (32)	$ (128)	$ 352
Equity options
Derivative [Line Items]
Derivative gains (losses)	153	98	(862)
Interest rate swaps
Derivative [Line Items]
Derivative gains (losses)	(103)	48	0
Futures contracts
Derivative [Line Items]
Derivative gains (losses)	18	9	(7)
Other derivative investments
Derivative [Line Items]
Derivative gains (losses)	10	(2)	12
Other embedded derivatives
Derivative [Line Items]
Derivative gains (losses)	4	5	(10)
Reinsurance related embedded derivatives
Derivative [Line Items]
Derivative gains (losses)	(32)	(128)	352
Total net investment gains (losses)
Derivative [Line Items]
Derivative gains (losses)	50	30	(515)
Indexed annuities/IUL embedded derivatives increase (decrease)
Derivative [Line Items]
Derivative gains (losses)	$ 962	$ 1,143	$ (768)

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

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+ 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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