Investments - Schedule of Changes in Unrealized Appreciation (Depreciation) of Available for Sale Securities and Other Investments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Equity Securities, FV-NI, Unrealized Gain (Loss) [Abstract]
Net gains recognized during the period on equity securities and other investments	$ 480	$ 845
Less: Net gains (losses) recognized during the period on equity securities and other investments sold during the period	(174)	506
Unrealized gains recognized during the reporting period on equity securities and other investments still held at the reporting date	654	339
Corebridge Financial Inc
Equity Securities, FV-NI, Unrealized Gain (Loss) [Abstract]
Unrealized gains recognized during the reporting period on equity securities and other investments still held at the reporting date	187	439
Continuing Operations, Excluding Held-For-Sale
Debt Securities, Available-for-sale [Line Items]
Increase (decrease) in unrealized appreciation (depreciation) of investments	1,448	692
Fixed maturity securities | Continuing Operations, Excluding Held-For-Sale
Debt Securities, Available-for-sale [Line Items]
Increase (decrease) in unrealized appreciation (depreciation) of investments	1,448	692
Equities
Equity Securities, FV-NI, Unrealized Gain (Loss) [Abstract]
Net gains recognized during the period on equity securities and other investments	68	149
Less: Net gains (losses) recognized during the period on equity securities and other investments sold during the period	26	45
Unrealized gains recognized during the reporting period on equity securities and other investments still held at the reporting date	42	104
Other invested assets
Equity Securities, FV-NI, Unrealized Gain (Loss) [Abstract]
Net gains recognized during the period on equity securities and other investments	412	696
Less: Net gains (losses) recognized during the period on equity securities and other investments sold during the period	(200)	461
Unrealized gains recognized during the reporting period on equity securities and other investments still held at the reporting date	$ 612	$ 235