CONDENDSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Class A Common Stock	Common Stock Class A Common Share	Common Stock Class B Common Share	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Common Stock Class C Common Stock	Preferred Stock Series A Preferred Share	Preferred Stock Series B Preferred Share	Preferred Stock Series A Preferred Stock	Preferred Stock Series B Preferred Stock	Additional Paid in Capital	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Loss	Total Apollo Global Management, Inc. Shareholders’ Equity	Non- Controlling Interests in Consolidated Entities	Non- Controlling Interests in Apollo Operating Group
Balance, beginning of period (in shares) at Dec. 31, 2018			201,400,500	1			0
Balance, beginning of period at Dec. 31, 2018	$ 2,451,840							$ 264,398	$ 289,815			$ 1,299,418	$ (473,276)	$ (4,159)	$ 1,376,196	$ 271,522	$ 804,122
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dilution impact of issuance of Class A Common Stock	(8)											(8)			(8)
Capital increase related to equity-based compensation	102,189											102,189			102,189
Capital contributions	1,081															1,081
Dividends/Distributions	(735,639)							(13,148)	(14,344)			(191,796)	(127,629)		(346,917)	(14,103)	(374,619)
Payments related to issuances of Class A Common Stock for equity-based awards (in shares)			2,737,557
Payments related to issuances of Class A Common Stock for equity-based awards	(43,063)											5,690	(48,753)		(43,063)
Repurchase of Class A Common Stock (in shares)		(3,453,901)	(3,719,014)
Repurchase of Class A Common Stock	(110,726)	$ (102,400)										(110,726)			(110,726)
Exchange of AOG Units for Class A Common Stock (in shares)			21,984,253
Reclassifications resulting from the Conversion (in shares)			(222,403,296)	(1)	222,403,296	1	1
Exchange of AOG Units for Class A Common Stock	16,658											112,464			112,464		(95,806)
Net Income (Loss)	1,178,822							13,148	14,344				649,658		677,150	20,888	480,784
Currency translation adjustments, net of tax	(17,021)													(1,820)	(1,820)	(13,372)	(1,829)
Net gain (loss) from change in fair value of cash flow hedge instruments	(1,862)													(927)	(927)		(935)
Net gain (loss) on available-for-sale securities	162													79	79		83
Balance, end of period (in shares) at Sep. 30, 2019					222,403,296	1	1
Balance, end of period at Sep. 30, 2019	2,842,433							0	0	$ 264,398	$ 289,815	1,217,231	0	(6,827)	1,764,617	266,016	811,800
Balance, beginning of period (in shares) at Jun. 30, 2019			200,435,587	1			0
Balance, beginning of period at Jun. 30, 2019	2,540,990							264,398	289,815			1,052,259	(222,007)	(5,192)	1,379,273	280,662	881,055
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dilution impact of issuance of Class A Common Stock	17											17			17
Capital increase related to equity-based compensation	33,867											33,867			33,867
Capital contributions	555															555
Dividends/Distributions	(247,812)							(4,382)	(4,782)			22,824	(127,629)		(113,969)	(10,944)	(122,899)
Payments related to issuances of Class A Common Stock for equity-based awards (in shares)			226,456
Payments related to issuances of Class A Common Stock for equity-based awards	(3,610)											860	(4,470)		(3,610)
Repurchase of Class A Common Stock (in shares)			(143,000)
Repurchase of Class A Common Stock	(4,610)											(4,610)			(4,610)
Exchange of AOG Units for Class A Common Stock (in shares)			21,884,253
Reclassifications resulting from the Conversion (in shares)			(222,403,296)	(1)	222,403,296	1	1
Reclassification resulting from the Conversion								(264,398)	(289,815)	264,398	289,815
Exchange of AOG Units for Class A Common Stock	16,576											112,014			112,014		(95,438)
Net Income (Loss)	521,094							4,382	4,782				354,106		363,270	7,083	150,741
Currency translation adjustments, net of tax	(14,616)													(1,625)	(1,625)	(11,340)	(1,651)
Net gain (loss) from change in fair value of cash flow hedge instruments	50													25	25		25
Net gain (loss) on available-for-sale securities	(68)													(35)	(35)		(33)
Balance, end of period (in shares) at Sep. 30, 2019					222,403,296	1	1
Balance, end of period at Sep. 30, 2019	2,842,433							0	0	264,398	289,815	1,217,231	0	(6,827)	1,764,617	266,016	811,800
Balance, beginning of period (in shares) at Dec. 31, 2019					222,994,407	1	1
Balance, beginning of period at Dec. 31, 2019	3,038,127									264,398	289,815	1,302,587	0	(4,578)	1,852,222	281,904	904,001
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity transaction with Athene Holding	1,159,709											(54,868)			(54,868)		1,214,577
Consolidation of VIEs	1,895,095															1,895,095
Dilution impact of issuance of Class A Common Stock	8,286											8,286			8,286
Capital increase related to equity-based compensation	133,850											133,850			133,850
Capital contributions	190,093															190,093
Dividends/Distributions	(1,506,570)									(13,148)	(14,344)	(428,721)	0		(456,213)	(666,083)	(384,274)
Payments related to issuances of Class A Common Stock for equity-based awards (in shares)					3,270,490
Payments related to issuances of Class A Common Stock for equity-based awards	(62,922)											28,991	(91,913)		(62,922)
Repurchase of Class A Common Stock (in shares)		(2,735,546)			(2,755,095)
Repurchase of Class A Common Stock	(91,617)	$ (90,700)										(91,617)			(91,617)
Exchange of AOG Units for Class A Common Stock (in shares)					5,237,500
Reclassification resulting from the Conversion								$ (264,398)	$ (289,815)	264,398	289,815
Exchange of AOG Units for Class A Common Stock	14,049											31,016			31,016		(16,967)
Net Income (Loss)	(608,659)									13,148	14,344		(304,982)		(277,490)	(23,320)	(307,849)
Currency translation adjustments, net of tax	20,652													7,891	7,891	11,217	1,544
Net gain (loss) from change in fair value of cash flow hedge instruments	153													82	82		71
Net gain (loss) on available-for-sale securities	(1,242)													(673)	(673)		(569)
Balance, end of period (in shares) at Sep. 30, 2020					228,747,302	1	1
Balance, end of period at Sep. 30, 2020	4,189,004									264,398	289,815	929,524	(396,895)	2,722	1,089,564	1,688,906	1,410,534
Balance, beginning of period (in shares) at Jun. 30, 2020					229,189,715	1	1
Balance, beginning of period at Jun. 30, 2020	4,241,937									264,398	289,815	1,032,442	(653,745)	(3,879)	929,031	2,107,870	1,205,036
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dilution impact of issuance of Class A Common Stock	(43)											(43)			(43)
Capital increase related to equity-based compensation	40,620											40,620			40,620
Capital contributions	8,240															8,240
Dividends/Distributions	(763,733)									(4,382)	(4,781)	(116,083)	0		(125,246)	(538,513)	(99,974)
Payments related to issuances of Class A Common Stock for equity-based awards (in shares)					118,587
Payments related to issuances of Class A Common Stock for equity-based awards	(6,386)											0	(6,386)		(6,386)
Repurchase of Class A Common Stock (in shares)					(561,000)
Repurchase of Class A Common Stock	(27,412)											(27,412)			(27,412)
Net Income (Loss)	676,099									4,382	4,781		263,236		272,399	100,021	303,679
Currency translation adjustments, net of tax	19,524													6,510	6,510	11,288	1,726
Net gain (loss) from change in fair value of cash flow hedge instruments	52													28	28		24
Net gain (loss) on available-for-sale securities	106													63	63		43
Balance, end of period (in shares) at Sep. 30, 2020					228,747,302	1	1
Balance, end of period at Sep. 30, 2020	$ 4,189,004									$ 264,398	$ 289,815	$ 929,524	$ (396,895)	$ 2,722	$ 1,089,564	$ 1,688,906	$ 1,410,534