Deferred Policy Acquisition Costs, Value of Business Acquired and Other Intangibles (Unearned Revenue) (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Universal Life Insurance
Deferred Revenue Arrangement [Line Items]
Balance, beginning of period	$ 167	$ 143
Capitalization	17	18
Amortization	(6)	(5)
Balance, end of period	178	156
ULSG
Deferred Revenue Arrangement [Line Items]
Balance, beginning of period	612	488
Capitalization	84	88
Amortization	(29)	(23)
Balance, end of period	667	553
Variable Annuities
Deferred Revenue Arrangement [Line Items]
Balance, beginning of period	66	73
Capitalization	0	0
Amortization	(4)	(4)
Balance, end of period	$ 62	$ 69