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Related Party Disclosures (Reinsurance Details) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Related Party Transaction [Line Items]
Other Income	$ 845	$ 679	$ 1,697	$ 1,366
Premiums, reinsurance and other receivables relating to variable interest entities	50,635		50,635		$ 49,059
Net derivative gains (losses)	(772)	$ (796)	(698)	(364)
Reinsurance Agreement [Member]
Related Party Transaction [Line Items]
Other Income	34		73
Net derivative gains (losses)	(41)		66
Other segment expenses (2)	90		182
Corporate And Other \| Reinsurance Agreement [Member]
Related Party Transaction [Line Items]
Surrenders and withdrawals	(82)		(156)
Life and Other \| Corporate And Other
Related Party Transaction [Line Items]
Surrenders and withdrawals			(157)	$ (132)
Chariot Re [Member] \| Reinsurance Agreement [Member]
Related Party Transaction [Line Items]
Premiums, reinsurance and other receivables relating to variable interest entities	10,900		10,900		9,800
Funds Held under Reinsurance Agreements, Liability	$ 11,100		$ 11,100		$ 10,500