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Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.

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Related Parties - Other Related Party Transactions (Details) - USD ($) $ in Millions			12 Months Ended
	Feb. 16, 2021	Apr. 01, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Feb. 28, 2020	Jun. 01, 2018
Related Party Transaction [Line Items]
Other changes in equity of noncontrolling interests			$ 240	$ 575
Investment funds			6,087	4,300
Proceeds from Issuance of Common Stock			351	0	$ 0
Liabilities assumed			182,631	132,734
Funds withheld liability			452	408
Interest sensitive contract liabilities			144,566	$ 102,745
Payments to Acquire Interest in Subsidiaries and Affiliates		$ 66
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders			$ (46)
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%
Related Party
Related Party Transaction [Line Items]
Investment funds			$ 5,284	$ 3,550
Interest sensitive contract liabilities			14,150	15,285
Equity securities			72	64
Trading securities			1,529	785
Other investments			469	487
Apollo Athene Strategic Partnership Advisors, LLC [Member] \| Related Party
Related Party Transaction [Line Items]
Investment funds			214	97
Strategic Partnership Capacity			$ 2,500
Athora Lebensversicherung AG \| Related Party
Related Party Transaction [Line Items]
Liabilities assumed					325
Venerable Holdings, Inc. \| Related Party
Related Party Transaction [Line Items]
Interest rate			6.257%
Athene Dedicated Investment Program \| Related Party
Related Party Transaction [Line Items]
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Issuance of Equity by Subsidiary to Noncontrolling Interests				575
AmeriHome [Member] \| Related Party \| Purchase of Residential Mortgage Loans Under Agreement
Related Party Transaction [Line Items]
Related party purchases			$ 169	411	722
MidCap \| Related Party
Related Party Transaction [Line Items]
Other investments			328	339
Investments, excluding policy loans			939	886
Apollo Operating Group \| Related Party
Related Party Transaction [Line Items]
Investment Owned, Balance, Shares						29,154,519
Investment Owned, at Fair Value						$ 1,100
AA Infrastructure \| Related Party
Related Party Transaction [Line Items]
Equity securities			72	58
Trading securities			420	267
Athora Life Re Ltd. [Member] \| Related Party
Related Party Transaction [Line Items]
Funds withheld liability					337
PK AirFinance [Member] \| Related Party
Related Party Transaction [Line Items]
Debt Securities			1,373	1,282
Novation
Related Party Transaction [Line Items]
Funds withheld liability			0	347
Interest sensitive contract liabilities			148	407
Investments, excluding policy loans			0	320
Novation \| Athora Lebensversicherung AG \| Related Party
Related Party Transaction [Line Items]
Liabilities assumed				325
Novation \| Athora Life Re Ltd. [Member] \| Related Party
Related Party Transaction [Line Items]
Liabilities assumed				663
Funds withheld liability				337
Reinsurance agreement
Related Party Transaction [Line Items]
Liabilities assumed			27,439	791	27,238
Interest sensitive contract liabilities			$ 1,366	$ 0	$ 69
Reinsurance agreement \| Voya Insurance and Annuity Company [Member] \| Related Party
Related Party Transaction [Line Items]
Liabilities assumed							$ 18,578
Class A
Related Party Transaction [Line Items]
Common stock issued (in shares)			191,500,000	143,200,000
Class A \| Apollo Operating Group \| Related Party
Related Party Transaction [Line Items]
Minimum Ownership, Proxy			7.50%
Proceeds from Issuance of Common Stock			$ 350
Common stock issued (in shares)						7,575,758
Exchange of stock [Member] \| Class A \| Apollo Operating Group \| Related Party
Related Party Transaction [Line Items]
Common stock issued (in shares)						27,959,184
Dividend Paid [Member] \| AA Infrastructure \| Related Party
Related Party Transaction [Line Items]
Dividends				$ 267
Investments [Member]
Related Party Transaction [Line Items]
Other Commitment			7,472	4,793
Investments [Member] \| A-A Mortgage \| Related Party
Related Party Transaction [Line Items]
Other Commitment			381
Investments [Member] \| AA Infrastructure \| Related Party
Related Party Transaction [Line Items]
Other Commitment			36
Investments [Member] \| Athora Holding Ltd. [Member] \| Related Party
Related Party Transaction [Line Items]
Other Commitment			305
Investments [Member] \| PK AirFinance [Member] \| Related Party
Related Party Transaction [Line Items]
Other Commitment			229
Private Equity Funds [Member] \| Related Party
Related Party Transaction [Line Items]
Investment funds			473	105
Private Equity Funds [Member] \| Athora Holding Ltd. [Member] \| Related Party
Related Party Transaction [Line Items]
Investment funds			709	132
Credit Funds [Member] \| Related Party
Related Party Transaction [Line Items]
Investment funds			375	370
Redeemable preferred stock \| Related Party \| MidCap
Related Party Transaction [Line Items]
Trading securities			77	0
Debt Securities [Member] \| Venerable Holdings, Inc. \| Related Party
Related Party Transaction [Line Items]
Other investments			145	148
Differentiated Investments [Member] \| Related Party
Related Party Transaction [Line Items]
Investment funds			1,889	1,758
Differentiated Investments [Member] \| Venerable Holdings, Inc. \| Related Party
Related Party Transaction [Line Items]
Investment funds			123	99
Differentiated Investments [Member] \| AmeriHome [Member] \| Related Party
Related Party Transaction [Line Items]
Investment funds			444	487
Differentiated Investments [Member] \| AmeriHome [Member] \| Related Party \| Subsequent Event [Member]
Related Party Transaction [Line Items]
Gain on Sale of Investments	$ 175
Differentiated Investments [Member] \| MidCap \| Related Party
Related Party Transaction [Line Items]
Investment funds			0	547
Differentiated Investments [Member] \| Athora Holding Ltd. [Member] \| Related Party
Related Party Transaction [Line Items]
Investment funds			709	132
ABS \| Related Party \| MidCap
Related Party Transaction [Line Items]
Trading securities			534	0
Additional paid-in capital
Related Party Transaction [Line Items]
Other changes in equity of noncontrolling interests				(145)
Accumulated other comprehensive income (loss)
Related Party Transaction [Line Items]
Other changes in equity of noncontrolling interests				(34)
Noncontrolling interests
Related Party Transaction [Line Items]
Other changes in equity of noncontrolling interests			240	754
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders			(46)
Funding Agreements \| Athora Holding Ltd. [Member] \| Related Party
Related Party Transaction [Line Items]
Interest sensitive contract liabilities			$ 122	$ 146