Investments - Concentration of Equity (Details) - Stockholders' Equity, Total - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Athene Freedom Holdings LP
Concentration Risk [Line Items]
Investments	$ 1,422	$ 3,119
AP Tundra Holdings LLC
Concentration Risk [Line Items]
Investments	894
MidCap
Concentration Risk [Line Items]
Investments	680
PK AirFinance [Member]
Concentration Risk [Line Items]
Investments	933
SoftBank Vision Fund II
Concentration Risk [Line Items]
Investments	666
Athora Holding Ltd.
Concentration Risk [Line Items]
Investments	1,123
Cayman Universe
Concentration Risk [Line Items]
Investments	762
AOP Finance
Concentration Risk [Line Items]
Investments	754
AA Infrastructure
Concentration Risk [Line Items]
Investments	621
Bank of America
Concentration Risk [Line Items]
Investments	593
Morgan Stanley
Concentration Risk [Line Items]
Investments	512
AA Warehouse
Concentration Risk [Line Items]
Investments	299
Apollo Rose II (B), L.P.
Concentration Risk [Line Items]
Investments	545
AT&T
Concentration Risk [Line Items]
Investments	413
JP Morgan Chase
Concentration Risk [Line Items]
Investments	452
FWD Group
Concentration Risk [Line Items]
Investments	400
HWIRE
Concentration Risk [Line Items]
Investments	294
Mileage Plus
Concentration Risk [Line Items]
Investments	371
Comcast
Concentration Risk [Line Items]
Investments	372
Venerable
Concentration Risk [Line Items]
Investments	506
AP Hansel
Concentration Risk [Line Items]
Investments	500
Citigroup
Concentration Risk [Line Items]
Investments	494
AP Maia
Concentration Risk [Line Items]
Investments	487
Verizon
Concentration Risk [Line Items]
Investments	347
Goldman Sachs
Concentration Risk [Line Items]
Investments	310
Enterprise Products
Concentration Risk [Line Items]
Investments	280
Wheels Fleet Lease
Concentration Risk [Line Items]
Investments	279
Shell
Concentration Risk [Line Items]
Investments	279
Energy Trans
Concentration Risk [Line Items]
Investments	266
Wells Fargo
Concentration Risk [Line Items]
Investments	$ 249