Other Contract Holder Funds - Liabilities for Other Contract Holder Funds (Details) - USD ($) $ in Millions	Mar. 31, 2023	Jan. 01, 2023	Dec. 31, 2022		Jan. 01, 2021
Liability for Future Policy Benefit, Activity [Line Items]
Total other contract holder funds	$ 57,094	$ 58,190	$ 58,190	[1]	$ 63,585
Payout Annuity
Liability for Future Policy Benefit, Activity [Line Items]
Total other contract holder funds	847		837
Variable Annuity
Liability for Future Policy Benefit, Activity [Line Items]
Total other contract holder funds	9,927		10,259
Fixed Annuity
Liability for Future Policy Benefit, Activity [Line Items]
Total other contract holder funds	11,082		11,696
Fixed Indexed Annuities
Liability for Future Policy Benefit, Activity [Line Items]
Total other contract holder funds	11,375		11,787
RILA
Liability for Future Policy Benefit, Activity [Line Items]
Total other contract holder funds	2,501		1,875
Closed Block Life
Liability for Future Policy Benefit, Activity [Line Items]
Total other contract holder funds	11,179		11,215
Closed Block Annuity
Liability for Future Policy Benefit, Activity [Line Items]
Total other contract holder funds	1,316		1,319
Institutional Products
Liability for Future Policy Benefit, Activity [Line Items]
Total other contract holder funds	8,691		9,019
Other Product Lines
Liability for Future Policy Benefit, Activity [Line Items]
Total other contract holder funds	$ 176		$ 183

[1] (1) Recast for the adoption of ASU 2018-12. See Notes 1 and 2 to the Condensed Consolidated Financial Statements.