Investments - Schedule of Activity in Allowance for Credit Losses (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 709	$ 591
Initial credit losses	55	118
Securities sold during the period	(71)	(41)
Additions (reductions) to previously impaired securities	65	41
Ending balance	758	709
Nonrelated Party
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]
Beginning balance	708	590
Initial credit losses	55	118
Securities sold during the period	(71)	(41)
Additions (reductions) to previously impaired securities	65	41
Ending balance	757	708
Related Party
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]
Beginning balance	1
Ending balance	1	1
Corporate \| Nonrelated Party
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]
Beginning balance	175	129
Initial credit losses	0	48
Securities sold during the period	(29)	(8)
Additions (reductions) to previously impaired securities	(41)	6
Ending balance	105	175
Corporate \| Related Party
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]
Beginning balance	0
Ending balance	0	0
CLO \| Nonrelated Party
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]
Beginning balance	0	2
Initial credit losses		1
Securities sold during the period		0
Additions (reductions) to previously impaired securities		(3)
Ending balance	0	0
CLO \| Related Party
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]
Beginning balance	0
Ending balance	0	0
ABS \| Nonrelated Party
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]
Beginning balance	76	49
Initial credit losses	40	25
Securities sold during the period	(15)	(16)
Additions (reductions) to previously impaired securities	70	18
Ending balance	171	76
ABS \| Related Party
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]
Beginning balance	1	1
Initial credit losses	0	0
Securities sold during the period	0	0
Additions (reductions) to previously impaired securities	0	0
Ending balance	1	1
CMBS \| Nonrelated Party
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]
Beginning balance	60	29
Initial credit losses	3	27
Securities sold during the period	0	0
Additions (reductions) to previously impaired securities	7	4
Ending balance	70	60
CMBS \| Related Party
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]
Ending balance	0
RMBS \| Nonrelated Party
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]
Beginning balance	397	381
Initial credit losses	12	17
Securities sold during the period	(27)	(17)
Additions (reductions) to previously impaired securities	29	16
Ending balance	$ 411	$ 397

Apollo Global Management, Inc. 10-K