| Cover Page - USD ($) $ in Millions | 12 Months Ended | ||
| Dec. 31, 2019 | Feb. 18, 2020 | Jun. 30, 2019 | |
| Entity Information [Line Items] | |||
| Document Type | 10-K/A | ||
| Document Annual Report | true | ||
| Document Period End Date | Dec. 31, 2019 | ||
| Document Transition Report | false | ||
| Entity File Number | 001-35107 | ||
| Entity Registrant Name | APOLLO GLOBAL MANAGEMENT, INC. | ||
| Entity Incorporation, State or Country Code | DE | ||
| Entity Tax Identification Number | 20-8880053 | ||
| Entity Address, Address Line One | 9 West 57th Street, | ||
| Entity Address, Address Line Two | 43rd Floor | ||
| Entity Address, City or Town | New York, | ||
| Entity Address, State or Province | NY | ||
| Entity Address, Postal Zip Code | 10019 | ||
| City Area Code | 212 | ||
| Local Phone Number | 515-3200 | ||
| Entity Well-known Seasoned Issuer | Yes | ||
| Entity Voluntary Filers | No | ||
| Entity Current Reporting Status | Yes | ||
| Entity Interactive Data Current | Yes | ||
| Entity Filer Category | Large Accelerated Filer | ||
| Entity Small Business | false | ||
| Entity Emerging Growth Company | false | ||
| Entity Shell Company | false | ||
| Entity Public Float | $ 6,736.1 | ||
| Entity Central Index Key | 0001411494 | ||
| Current Fiscal Year End Date | --12-31 | ||
| Document Fiscal Year Focus | 2019 | ||
| Document Fiscal Period Focus | FY | ||
| Amendment Flag | true | ||
| Amendment Description | Apollo Global Management Inc., a Delaware corporation, together with its subsidiaries, where applicable, the “Company”, which may also be referred to as “we”, “us” or “our”, is filing this Amendment No. 1 (the “Amendment”) to our Annual Report on Form 10-K for the fiscal year ended December 31, 2019, which was filed on February 21, 2020 (the “Form 10-K”), to provide audited financial statements for Athene Holding Ltd. pursuant to Rule 3-09 of Regulation S-X for the year ended December 31, 2019.This Amendment also updates, amends and supplements Part IV, Item 15 of the Form 10-K to include the filing of Exhibit 23.2, the consent of PricewaterhouseCoopers LLP, and Exhibits 31.3, 31.4, 32.3 and 32.4, certifications of our Chief Executive Officer and Chief Financial Officer, pursuant to Rule 13a-14(a) and (b) of the Securities Exchange Act of 1934, as amended.No other changes have been made to the Form 10-K. This Amendment does not reflect subsequent events that may have occurred after the original filing date of the Form 10-K or modify or update in any way disclosures made in the 10-K. Among other things, forward-looking statements made in the Form 10-K have not been revised to reflect events that occurred or facts that became known to us after the filing of the Form 10-K, and such forward-looking statements should be read in their historical context. Furthermore, this Amendment should be read in conjunction with the Form 10-K and any subsequent filings with the Securities and Exchange Commission. | ||
| Class A Common Stock | |||
| Entity Information [Line Items] | |||
| Title of 12(b) Security | Class A Common Stock | ||
| Trading Symbol | APO | ||
| Security Exchange Name | NYSE | ||
| Entity Common Stock, Shares Outstanding | 231,012,948 | ||
| Series A Preferred Stock | |||
| Entity Information [Line Items] | |||
| Title of 12(b) Security | 6.375% Series A Preferred Stock | ||
| Trading Symbol | APO.PR A | ||
| Security Exchange Name | NYSE | ||
| Series B Preferred Stock | |||
| Entity Information [Line Items] | |||
| Title of 12(b) Security | 6.375% Series B Preferred Stock | ||
| Trading Symbol | APO.PR B | ||
| Security Exchange Name | NYSE | ||
| Class B Common Stock | |||
| Entity Information [Line Items] | |||
| Entity Common Stock, Shares Outstanding | 1 | ||
| Class C Common Stock | |||
| Entity Information [Line Items] | |||
| Entity Common Stock, Shares Outstanding | 1 |
