Separate Accounts (Separate Account Liability) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Separate Account, Liability [Line Items]
Separate Account, Liability, Beginning Balance	$ 79,006
Separate Account, Liability, Ending Balance	78,825	$ 79,006
Variable Annuities
Separate Account, Liability [Line Items]
Separate Account, Liability, Beginning Balance	74,483	77,086	$ 74,845
Premiums and deposits	974	828	762
Surrenders and withdrawals	(7,885)	(7,836)	(6,073)
Benefit payments	(1,652)	(1,511)	(1,391)
Investment performance	9,628	8,150	11,071
Policy charges	(2,001)	(2,109)	(2,098)
Net transfers from (to) general account	(107)	(102)	(14)
Other	(24)	(23)	(16)
Separate Account, Liability, Ending Balance	73,416	74,483	77,086
Universal Life Insurance
Separate Account, Liability [Line Items]
Separate Account, Liability, Beginning Balance	2,484	2,276	1,970
Premiums and deposits	73	80	84
Surrenders and withdrawals	(89)	(80)	(68)
Benefit payments	(33)	(25)	(18)
Investment performance	350	346	405
Policy charges	(80)	(81)	(78)
Net transfers from (to) general account	(18)	(32)	(18)
Other	0	0	(1)
Separate Account, Liability, Ending Balance	2,687	2,484	2,276
Company-Owned Life Insurance
Separate Account, Liability [Line Items]
Separate Account, Liability, Beginning Balance	1,799	2,148	1,919
Premiums and deposits	0	0	0
Surrenders and withdrawals	(32)	(21)	(20)
Benefit payments	(35)	(22)	(28)
Investment performance	245	251	327
Policy charges	(63)	(62)	(58)
Net transfers from (to) general account	524	(500)	(1)
Other	9	5	9
Separate Account, Liability, Ending Balance	$ 2,447	$ 1,799	$ 2,148