Represents specific amount of assets per IMA agreement

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Intercompany Note Receivable

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Other investments including, but not limited to: partnership interests, credit funds, hedge funds, and private equity.

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Management Fee, Percent

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Number Of Board Of Directors That Are Employees Of Company

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Number Of Directors On Board

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Performance Fee Target Percent

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No definition available.

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Borrowing capacity of revolving note receivable

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Sub-allocation fee percentage

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No definition available.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), investment in debt security measured at amortized cost (held-to-maturity), and investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Amount of expenses related to the generation of investment income.

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Sum of the carrying amounts as of the balance sheet date of all investments.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Related Parties - Narrative (Details)		3 Months Ended		6 Months Ended
Related Parties - Narrative (Details)	Apr. 24, 2026 USD ($)	Jun. 30, 2026 USD ($) board_member	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) board_member	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($)	Mar. 31, 2024 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		6		6
Number of board of directors \| board_member		13		13
Funding agreements		$ 344,593,000,000	$ 292,238,000,000	$ 344,593,000,000	$ 292,238,000,000	$ 315,889,000,000
Available-for-sale securities		230,055,000,000		230,055,000,000		219,041,000,000
Reinsurance recoverable		10,929,000,000		10,929,000,000		10,282,000,000
Investment funds		30,317,000,000		30,317,000,000		26,327,000,000
Related Party \| Management fees associated with investment funds
Related Party Transaction [Line Items]
Investment expenses		$ 386,000,000	358,000,000	$ 785,000,000	719,000,000
Related Party \| Performance Fee Target \| Minimum
Related Party Transaction [Line Items]
Performance Fee Target Percent		0		0
Related Party \| Performance Fee Target \| Maximum
Related Party Transaction [Line Items]
Performance Fee Target Percent		2		2
Related Party \| Sub Advisory and Other Fees Incurred for the Benefit for Third Party Service Providers
Related Party Transaction [Line Items]
Investment expenses		$ 12,000,000	$ 25,000,000	$ 23,000,000	35,000,000
Contingent Investment Fees
Related Party Transaction [Line Items]
Other liabilities		392,000,000		392,000,000		365,000,000
Investments
Related Party Transaction [Line Items]
Investment commitment		$ 37,100,000,000		$ 37,100,000,000
Private equity
Related Party Transaction [Line Items]
Management Fee, Percent		0.045		0.045
Related Party
Related Party Transaction [Line Items]
Investment expenses				$ 808,000,000	$ 754,000,000
Other liabilities		$ 7,322,000,000		7,322,000,000		6,479,000,000
Funding agreements		4,854,000,000		4,854,000,000		5,381,000,000
Available-for-sale securities		33,292,000,000		33,292,000,000		26,444,000,000
Investment commitment							$ 2,500,000,000
Reinsurance recoverable		7,327,000,000		7,327,000,000		6,336,000,000
Investment funds		3,243,000,000		3,243,000,000		2,149,000,000
Other investments		333,000,000		333,000,000		344,000,000
Related Party \| Management fees associated with investment funds
Related Party Transaction [Line Items]
Other liabilities		140,000,000		140,000,000		134,000,000
Related Party \| MidCap affiliates
Related Party Transaction [Line Items]
Debt Securities		2,738,000,000		2,738,000,000		1,704,000,000
Related Party \| Performance Fee Target
Related Party Transaction [Line Items]
Investment expenses				$ 37,500,000
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]
Investments		3,191,000,000		$ 3,191,000,000		1,487,000,000
Investment funds		2,167,000,000		2,167,000,000		1,171,000,000
Related Party \| Venerable
Related Party Transaction [Line Items]
Available-for-sale securities		102,000,000		102,000,000		105,000,000
Investments		658,000,000		658,000,000		675,000,000
Investment funds		223,000,000		223,000,000		226,000,000
Other investments		333,000,000		333,000,000		344,000,000
Related Party \| PK AirFinance
Related Party Transaction [Line Items]
Available-for-sale securities		504,000,000		504,000,000		566,000,000
Related Party \| Catalina
Related Party Transaction [Line Items]
Other liabilities		77,000,000		77,000,000		103,000,000
Investments		214,000,000		214,000,000		220,000,000
Related Party \| Atlas
Related Party Transaction [Line Items]
Available-for-sale securities		4,801,000,000		4,801,000,000		5,679,000,000
Related Party \| Wheels
Related Party Transaction [Line Items]
Available-for-sale securities		946,000,000		946,000,000		949,000,000
Related Party \| Athene Apollo Dedicated Investment Program
Related Party Transaction [Line Items]
Investment funds		253,000,000		253,000,000		231,000,000
Related Party \| AP Violet ATH Holdings, LP
Related Party Transaction [Line Items]
Equity investment method		143,000,000		143,000,000		142,000,000
Related Party \| Apollo Commercial Real Estate Finance, Inc
Related Party Transaction [Line Items]
Related Party Transaction, Purchases from Related Party	$ 8,700,000,000
Related Party \| Funding agreements \| Athora
Related Party Transaction [Line Items]
Funding agreements		29,000,000		29,000,000		29,000,000
Related Party \| Investments \| Athora
Related Party Transaction [Line Items]
Investment commitment		134,000,000		134,000,000
Related Party \| Investments \| Wheels
Related Party Transaction [Line Items]
Investment commitment		56,000,000		56,000,000
Related Party \| Investments \| Athene Apollo Dedicated Investment Program
Related Party Transaction [Line Items]
Investment commitment		357,000,000		357,000,000
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		$ 279,000,000		$ 279,000,000		$ 227,000,000
ACRA
Related Party Transaction [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent		37.00%		37.00%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners		63.00%		63.00%
Athene Co-Invest Reinsurance Affiliate 2A Ltd.
Related Party Transaction [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent		37.00%		37.00%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners		63.00%		63.00%