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Related Parties - Narrative (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	Apr. 01, 2020	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Mar. 31, 2020	Feb. 28, 2020	Dec. 31, 2019	Dec. 31, 2018
Related Party Transaction [Line Items]
Available-for-sale securities		$ 74,735		$ 74,735				$ 71,374
Other investments		359		359				158
Investment funds		682		682				750
Payments to Acquire Investment Funds				831	$ 500
Contributions from noncontrolling interests				240
Distributions to noncontrolling interests				46
Payments to Acquire Interest in Subsidiaries and Affiliates	$ 66
Interest sensitive contract liabilities		135,537		135,537				102,745
Other assets		1,067		1,067				1,005
Issuance of common stock				350	0
Equity securities		237		237				247
Trading securities		2,075		2,075				2,070
Investments		138,696		138,696				107,987
Payments to Acquire Debt Securities, Available-for-sale				9,624	7,813
Related Party
Related Party Transaction [Line Items]
Available-for-sale securities		4,070		4,070				3,804
Other investments		474		474				487
Investment funds		5,278		5,278				3,550
Payments to Acquire Investment Funds				807	402
Interest sensitive contract liabilities		14,609		14,609				15,285
Other assets		0		0				0
Equity securities		52		52				64
Trading securities		872		872				785
Payments to Acquire Debt Securities, Available-for-sale				611	436
Related Party \| Management fees associated with investment funds
Related Party Transaction [Line Items]
Due to related parties		44		44				42
Expenses from transactions with related parties		123	$ 94	251	186
Related Party \| MidCap
Related Party Transaction [Line Items]
Available-for-sale securities		580		580				624
MidCap \| Related Party
Related Party Transaction [Line Items]
Other investments		329		329				339
Investments		923		$ 923				886
Apollo \| Related Party \| Sub-allocated assets [Member]
Related Party Transaction [Line Items]
Incremental Fee Adjustment				0.025%
Base Management Fee				0.225%
Incremental Fee				0.15%
Cap On Asset Gross Book Yield				10.00%
Backbook Value									$ 103,400
Incremental Fee Reduction Adjustment				0.025%
Incremental Fee Addition Adjustment				0.025%
AmeriHome \| Related Party \| Purchase of residential mortgage loans under agreement
Related Party Transaction [Line Items]
Related party purchases		$ 0	$ 0	$ 169	0
Venerable \| Related Party
Related Party Transaction [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		6.257%		6.257%
Apollo Athene Strategic Partnership Advisors, LLC [Member] \| Related Party
Related Party Transaction [Line Items]
Strategic Partnership Capacity		$ 2,500		$ 2,500
PK AirFinance [Member] \| Related Party
Related Party Transaction [Line Items]
Debt Securities		1,262		1,262				1,282
Apollo Operating Group [Member] \| Related Party
Related Party Transaction [Line Items]
Investment Owned, Balance, Shares							29,154,519
Investment Owned, at Fair Value							$ 1,100
AA Infrastructure [Member] \| Related Party
Related Party Transaction [Line Items]
Equity securities		52		52				58
Trading securities		297		297				267
Funding Agreements \| Athora Holding Ltd. \| Related Party
Related Party Transaction [Line Items]
Interest sensitive contract liabilities		112		112				146
Investments
Related Party Transaction [Line Items]
Investment commitment		5,108		5,108				4,793
Investments \| A-A Mortgage \| Related Party
Related Party Transaction [Line Items]
Investment commitment		169		169
Investments \| Athora Holding Ltd. \| Related Party
Related Party Transaction [Line Items]
Investment commitment		371		371
Investments \| PK AirFinance [Member] \| Related Party
Related Party Transaction [Line Items]
Investment commitment		216		216
Investments \| AA Infrastructure [Member] \| Related Party
Related Party Transaction [Line Items]
Investment commitment		52		52
Redeemable Preferred Stock [Member] \| Related Party \| MidCap
Related Party Transaction [Line Items]
Available-for-sale securities		77		77				0
Payments to Acquire Debt Securities, Available-for-sale		67
Private equity
Related Party Transaction [Line Items]
Investment funds		232		232				236
Private equity \| Related Party
Related Party Transaction [Line Items]
Investment funds		255		255				105
Private equity \| AmeriHome \| Related Party
Related Party Transaction [Line Items]
Investment funds		594		594				487
Private equity \| Athora Holding Ltd. \| Related Party
Related Party Transaction [Line Items]
Investment funds		497		497				132
Payments to Acquire Investment Funds				361
Private equity \| Venerable \| Related Party
Related Party Transaction [Line Items]
Other investments		145		145				148
Investment funds		118		118				99
Variable Interest Entities
Related Party Transaction [Line Items]
Investment funds		0		0				19
Payments to Acquire Investment Funds				0	$ 21
Other assets		6		6				20
Trading securities		0		0				16
Variable Interest Entities \| Related Party
Related Party Transaction [Line Items]
Investment funds		0		0				664
Equity securities		0		0				6
Variable Interest Entities \| Apollo Athene Strategic Partnership Advisors, LLC [Member] \| Related Party
Related Party Transaction [Line Items]
Investment funds		124		$ 124				97
Core Sub-allocation Assets [Member] \| Apollo \| Related Party \| Sub-allocated assets [Member]
Related Party Transaction [Line Items]
Sub-allocation Fee Tier Plus				60.00%
Sub-allocation Fee				0.065%
Sub-allocation Fee Tier Minus				50.00%
Core Plus [Member] \| Apollo \| Related Party \| Sub-allocated assets [Member]
Related Party Transaction [Line Items]
Sub-allocation Fee				0.13%
Yield [Member] \| Apollo \| Related Party \| Sub-allocated assets [Member]
Related Party Transaction [Line Items]
Sub-allocation Fee				0.375%
High Alpha [Member] \| Apollo \| Related Party \| Sub-allocated assets [Member]
Related Party Transaction [Line Items]
Sub-allocation Fee				0.70%
Other Sub-allocation Assets [Member] \| Apollo \| Related Party \| Sub-allocated assets [Member]
Related Party Transaction [Line Items]
Sub-allocation Fee				0.00%
ABS
Related Party Transaction [Line Items]
Available-for-sale securities		4,773		$ 4,773				5,118
ABS \| Related Party
Related Party Transaction [Line Items]
Available-for-sale securities		2,811		2,811				2,849
ABS \| Related Party \| AmeriHome
Related Party Transaction [Line Items]
Available-for-sale securities		$ 162		$ 162				$ 170
Common Class A
Related Party Transaction [Line Items]
Common stock issued (in shares)		194,300,000		194,300,000				143,200,000
Common Class A \| Apollo Operating Group [Member] \| Related Party
Related Party Transaction [Line Items]
Common stock issued (in shares)							7,575,758
Issuance of common stock				$ 350
Exchange of stock [Member] \| Common Class A \| Apollo Operating Group [Member] \| Related Party
Related Party Transaction [Line Items]
Common stock issued (in shares)							27,959,184
ACRA
Related Party Transaction [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	63.45%					67.00%
Noncontrolling Interest, Ownership Percentage by Parent		36.55%		36.55%		33.00%