Deferred Policy Acquisition Costs, Value of Business Acquired and Other Intangibles (Information Regarding DAC and VOBA) (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Deferred Policy Acquisition Cost and Present Value of Future Profit [Line Items]
Balance, end of period, Total DAC and VOBA	$ 4,431
Variable Annuities
Deferred Policy Acquisition Cost and Present Value of Future Profit [Line Items]
Balance, beginning of period, DAC	2,217	$ 2,414
Capitalization	19	19
Amortization	(110)	(120)
Balance, end of period, DAC	2,126	2,313
Balance, beginning of period, VOBA	309	341
Amortization	(15)	(17)
Balance, end of period, VOBA	294	324
Balance, end of period, Total DAC and VOBA	2,420	2,637
Fixed Rate Annuities
Deferred Policy Acquisition Cost and Present Value of Future Profit [Line Items]
Balance, beginning of period, DAC	110	107
Capitalization	4	7
Amortization	(2)	(5)
Balance, end of period, DAC	112	109
Balance, beginning of period, VOBA	59	65
Amortization	(2)	(2)
Balance, end of period, VOBA	57	63
Balance, end of period, Total DAC and VOBA	169	172
Index-linked Annuities
Deferred Policy Acquisition Cost and Present Value of Future Profit [Line Items]
Balance, beginning of period, DAC	1,332	1,213
Capitalization	190	165
Amortization	(120)	(110)
Balance, end of period, DAC	1,402	1,268
Balance, beginning of period, VOBA	0	0
Amortization	0	0
Balance, end of period, VOBA	0	0
Balance, end of period, Total DAC and VOBA	1,402	1,268
Term and Whole Life Insurance
Deferred Policy Acquisition Cost and Present Value of Future Profit [Line Items]
Balance, beginning of period, DAC	306	347
Capitalization	1	0
Amortization	(20)	(22)
Balance, end of period, DAC	287	325
Balance, beginning of period, VOBA	4	5
Amortization	0	(1)
Balance, end of period, VOBA	4	4
Balance, end of period, Total DAC and VOBA	291	329
Universal Life Insurance
Deferred Policy Acquisition Cost and Present Value of Future Profit [Line Items]
Balance, beginning of period, DAC	119	115
Capitalization	6	6
Amortization	(4)	(5)
Balance, end of period, DAC	121	116
Balance, beginning of period, VOBA	31	35
Amortization	(3)	(2)
Balance, end of period, VOBA	28	33
Balance, end of period, Total DAC and VOBA	$ 149	$ 149