Reserves for Contract Onwer Account Balances (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	$ 30,577	$ 32,942
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0001 to 0100
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	11,984	12,784
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0100 to 0199
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	265	309
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	6,312	7,200
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	7,708	8,329
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	4	4
Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Renewable Beyond 12 Months
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	401	394
Total discretionary rate setting products
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	26,674	29,020
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	14,537	21,507
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0001 to 0100
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	11	5,349
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0100 to 0199
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	141	246
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	6,275	7,188
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	7,708	8,329
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	4	4
Policyholder Account Balance, at Guaranteed Minimum Crediting Rate | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Renewable Beyond 12 Months
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	398	391
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	4,772	2,895
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0001 to 0100
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	4,663	2,857
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0100 to 0199
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	73	27
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	36	11
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	0	0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	0	0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Renewable Beyond 12 Months
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	0	0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0100
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	3,496	1,938
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0100 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0001 to 0100
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	3,451	1,903
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0100 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0100 to 0199
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	44	34
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0100 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	1	1
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0100 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	0	0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0100 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	0	0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0100 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Renewable Beyond 12 Months
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	0	0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0101 to 0150
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	2,210	1,113
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0101 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0001 to 0100
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	2,204	1,112
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0101 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0100 to 0199
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	6	1
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0101 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	0	0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0101 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	0	0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0101 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	0	0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0101 to 0150 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Renewable Beyond 12 Months
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	0	0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 to 0200
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	861	1,464
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 to 0200 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0001 to 0100
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	858	1,461
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 to 0200 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0100 to 0199
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	0	0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 to 0200 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	0	0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 to 0200 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	0	0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 to 0200 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	0	0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 to 0200 | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Renewable Beyond 12 Months
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	3	3
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0200 and Greater
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	798	103
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0200 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0001 to 0100
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	797	102
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0200 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0100 to 0199
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	1	1
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0200 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	0	0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0200 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	0	0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0200 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0400 and Greater
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	0	0
Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0200 and Greater | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Renewable Beyond 12 Months
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	0	0
Retirement
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	25,991	27,951	$ 27,095
Policyholder Account Balance, Premium Received	2,223	2,850
Policyholder Account Balance, Policy Charge	(9)	(8)
Policyholder Account Balance, Surrender and Withdrawal	(4,900)	(3,874)
Transfer to (from) Policyholder Account Balance (to) from General Account	(9)	1,174
Policyholder Account Balance, Interest Expense	$ 735	$ 714
Policyholder Account Balance, Weighted Average Crediting Rate	2.70%	2.60%
Policyholder Account Balance, Net Amount at Risk	$ 116	$ 154
Policyholder Account Balance, Cash Surrender Value	25,631	27,567
Transfer to (from) Policyholder Account Balance (to) from Separate Account	515	2,006
Retirement | VRIAC-managed institutional/mutual fund plan assets
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Transfer to (from) Policyholder Account Balance (to) from Separate Account	(524)	(802)
Other Segments
Reserves for Contract Onwer Account Balances (Table) [Line Items]
Policyholder Account Balance	$ 4,586	$ 4,991