Related Parties - Narrative (Details)		3 Months Ended			9 Months Ended
	Jul. 01, 2023 USD ($)	Sep. 30, 2023 USD ($) board_member	Jun. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) board_member	Sep. 30, 2022 USD ($)	Sep. 30, 2022 USD ($)	Feb. 08, 2023 USD ($)	Dec. 31, 2022 USD ($)
Related Party Transaction [Line Items]
Backbook Value		$ 103,400,000,000			$ 103,400,000,000
Management Fee, Percent		0.0335			0.0335
Number of board of directors that are employees of Apollo | board_member		5			5
Number of board of directors | board_member		12			12
Investment funds		$ 16,818,000,000			$ 16,818,000,000				$ 14,128,000,000
Subsidiary issuance of equity interests and other		598,000,000			598,000,000
Interest sensitive contract liabilities		189,065,000,000		$ 166,878,000,000	189,065,000,000	$ 166,878,000,000	$ 166,878,000,000		173,616,000,000
Available-for-sale securities		129,700,000,000			129,700,000,000				112,225,000,000
Other liabilities		2,543,000,000			2,543,000,000				1,860,000,000
Distributions to noncontrolling interests		(254,000,000)			(381,000,000)
Investment expenses		286,000,000		202,000,000	759,000,000	582,000,000
Provision for Loan, Lease, and Other Losses		60,000,000		(171,000,000)	237,000,000	193,000,000
Payout annuities with life contingencies		46,672,000,000		41,285,000,000	46,672,000,000	41,285,000,000	41,285,000,000		42,110,000,000
Sale Of Non-Controlling Interests, Percent	0.50
Contributions from noncontrolling interests		325,000,000		336,000,000	325,000,000		1,047,000,000
Noncontrolling Interest Increase From Subsidiary Equity Issuance, including Carried Interest	$ 640,000,000
Venerable
Related Party Transaction [Line Items]
Equity investment method		206,000,000			206,000,000				240,000,000
Noncontrolling interests
Related Party Transaction [Line Items]
Subsidiary issuance of equity interests and other		585,000,000			585,000,000
Distributions to noncontrolling interests		(254,000,000)		0	(381,000,000)		0
Contributions from noncontrolling interests		325,000,000		336,000,000	325,000,000		$ 1,047,000,000
Related Party | Management fees associated with investment funds
Related Party Transaction [Line Items]
Investment expenses		249,000,000		195,000,000	703,000,000	563,000,000
Contingent Investment Fees
Related Party Transaction [Line Items]
Other liabilities		$ 206,000,000			$ 206,000,000				202,000,000
Athora | Related Party
Related Party Transaction [Line Items]
Day from receipt of notice of a cession		30 days			30 days
Athora | Related Party | Maximum
Related Party Transaction [Line Items]
Liabilities ceded (in percent)		0.50			0.50
Percentage of liabilities (in percent)		0.20			0.20
Percent of refusal to reinsure liabilities ceded from a third party (in percent)		0.20			0.20
Percent of fair market value of total assets of subsidiary (in percent)		0.03			0.03
Venerable | Reinsurance agreement recapture
Related Party Transaction [Line Items]
Provision for Loan, Lease, and Other Losses			$ 104,000,000
Payout annuities with life contingencies	$ 2,700,000,000
Other Nonrecurring Gain		$ 555,000,000
Apollo Aligned Alternatives, L.P.
Related Party Transaction [Line Items]
Assets contributed to consolidated VIEs					$ 0	8,007,000,000
Investments
Related Party Transaction [Line Items]
Investment commitment		$ 20,600,000,000			$ 20,600,000,000
Private equity
Related Party Transaction [Line Items]
Management Fee, Percent		0.045			0.045
Related Party
Related Party Transaction [Line Items]
Investment commitment								$ 3,300,000,000
Other investments		$ 327,000,000			$ 327,000,000				303,000,000
Investment funds		1,604,000,000			1,604,000,000				1,569,000,000
Interest sensitive contract liabilities		9,055,000,000			9,055,000,000				11,889,000,000
Available-for-sale securities		13,985,000,000			13,985,000,000				9,821,000,000
Other liabilities		606,000,000			606,000,000				564,000,000
Investment expenses		249,000,000		$ 195,000,000	703,000,000	$ 563,000,000
Payout annuities with life contingencies		3,000,000			3,000,000				1,353,000,000
Related Party | Management fees associated with investment funds
Related Party Transaction [Line Items]
Other liabilities		95,000,000			95,000,000				80,000,000
Related Party | MidCap affiliates
Related Party Transaction [Line Items]
Available-for-sale securities		1,826,000,000			$ 1,826,000,000				1,262,000,000
Related Party | Apollo | Sub-allocated assets
Related Party Transaction [Line Items]
Base Management Fee					0.225%
Incremental Fee					0.15%
Related Party | Apollo | Sub-allocated assets | Minimum
Related Party Transaction [Line Items]
Sub-allocation Fee					0.065%
Related Party | Apollo | Sub-allocated assets | Maximum
Related Party Transaction [Line Items]
Sub-allocation Fee					0.70%
Related Party | Athora
Related Party Transaction [Line Items]
Investment funds		1,043,000,000			$ 1,043,000,000				959,000,000
Equity Securities, FV-NI		239,000,000			239,000,000				273,000,000
Investments		$ 1,282,000,000			$ 1,282,000,000				1,232,000,000
Related Party | Venerable
Related Party Transaction [Line Items]
Investment Interest Rate		6.257%			6.257%
Related Party | Apollo Athene Strategic Partnership Advisors, LLC
Related Party Transaction [Line Items]
Investment funds		$ 1,739,000,000			$ 1,739,000,000				1,046,000,000
Strategic Partnership Capacity		$ 2,875,000,000			$ 2,875,000,000
Investment period of funds (in years)		3 years			3 years
Related Party | PK AirFinance
Related Party Transaction [Line Items]
Debt Securities		$ 1,656,000,000			$ 1,656,000,000				1,183,000,000
Related Party | Catalina Holdings (Bermuda) Ltd
Related Party Transaction [Line Items]
Other liabilities		213,000,000			213,000,000				142,000,000
Related Party | Atals
Related Party Transaction [Line Items]
Available-for-sale securities		1,007,000,000			1,007,000,000				0
Related Party | Wheels Donlen
Related Party Transaction [Line Items]
Available-for-sale securities		1,418,000,000			1,418,000,000				1,024,000,000
Related Party | Funding agreements | Athora
Related Party Transaction [Line Items]
Interest sensitive contract liabilities		58,000,000			58,000,000				59,000,000
Related Party | Investments | Athora
Related Party Transaction [Line Items]
Investment commitment		513,000,000			513,000,000
Related Party | Investments | PK AirFinance
Related Party Transaction [Line Items]
Investment commitment		1,472,000,000			1,472,000,000
Related Party | Investments | Wheels Donlen
Related Party Transaction [Line Items]
Investment commitment		306,000,000			306,000,000
Related Party | Private equity | Venerable
Related Party Transaction [Line Items]
Other investments		327,000,000			327,000,000				303,000,000
Related Party | Repurchase Agreements | Atals
Related Party Transaction [Line Items]
Investments		922,000,000			922,000,000				0
Parent Company | Apollo Global Management , Inc.
Related Party Transaction [Line Items]
Maximum borrowing capacity		500,000,000			500,000,000
Long-Term Line of Credit		0			0				0
Parent Company | Apollo Global Management , Inc. | Revolving Credit Facility
Related Party Transaction [Line Items]
Revolving note receivable, borrowing capacity		500,000,000			500,000,000
Intercompany Note Receivable		$ 112,000,000			$ 112,000,000				$ 78,000,000
ACRA
Related Party Transaction [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners		63.45%			63.45%
Noncontrolling Interest, Ownership Percentage by Parent		36.55%			36.55%