Variable Annuity and Insurance Guarantees - VA Guarantees (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
GMDB
Information related to variable annuity guarantees
Total contract value	$ 70,082	$ 87,246
Contract value in separate accounts	65,336	82,287
Net amount at risk	$ 1,957	$ 64
Weighted average attained age	69 years	69 years
GMDB | Return of premium
Information related to variable annuity guarantees
Total contract value	$ 55,970	$ 70,020
Contract value in separate accounts	54,283	68,145
Net amount at risk	$ 680	$ 6
Weighted average attained age	69 years	69 years
GMDB | Five/six-year reset
Information related to variable annuity guarantees
Total contract value	$ 6,986	$ 8,309
Contract value in separate accounts	4,304	5,612
Net amount at risk	$ 202	$ 6
Weighted average attained age	69 years	68 years
GMDB | One-year ratchet
Information related to variable annuity guarantees
Total contract value	$ 4,950	$ 6,177
Contract value in separate accounts	4,638	5,858
Net amount at risk	$ 786	$ 13
Weighted average attained age	72 years	71 years
GMDB | Five-year ratchet
Information related to variable annuity guarantees
Total contract value	$ 1,141	$ 1,438
Contract value in separate accounts	1,091	1,386
Net amount at risk	$ 64	$ 1
Weighted average attained age	68 years	68 years
GMDB | Other
Information related to variable annuity guarantees
Total contract value	$ 1,035	$ 1,302
Contract value in separate accounts	1,020	1,286
Net amount at risk	$ 225	$ 38
Weighted average attained age	74 years	74 years
GGU death benefit
Information related to variable annuity guarantees
Total contract value	$ 1,028	$ 1,260
Contract value in separate accounts	969	1,198
Net amount at risk	$ 146	$ 184
Weighted average attained age	72 years	72 years
GMIB
Information related to variable annuity guarantees
Total contract value	$ 140	$ 184
Contract value in separate accounts	127	170
Net amount at risk	$ 10	$ 4
Weighted average attained age	72 years	71 years
GMWB
Information related to variable annuity guarantees
Total contract value	$ 42,493	$ 54,287
Contract value in separate accounts	42,475	54,229
Net amount at risk	$ 2,161	$ 188
Weighted average attained age	70 years	69 years
GMWB | GMWB standard benefit
Information related to variable annuity guarantees
Total contract value	$ 1,477	$ 1,900
Contract value in separate accounts	1,472	1,895
Net amount at risk	$ 16	$ 1
Weighted average attained age	75 years	75 years
GMWB | GMWB for life
Information related to variable annuity guarantees
Total contract value	$ 41,016	$ 52,387
Contract value in separate accounts	41,003	52,334
Net amount at risk	$ 2,145	$ 187
Weighted average attained age	70 years	69 years
GMAB
Information related to variable annuity guarantees
Total contract value	$ 1,541	$ 2,005
Contract value in separate accounts	1,541	2,005
Net amount at risk	$ 101	$ 0
Weighted average attained age	62 years	62 years