Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 331	$ (1,052)	$ 2,049	$ (5,742)
Other comprehensive income (loss), before tax
Unrealized investment gains (losses) on available-for-sale securities	(3,155)	(5,928)	(1,767)	(20,178)
Unrealized gains (losses) on hedging instruments	(213)	(80)	(280)	(128)
Remeasurement gains (losses) on future policy benefits related to discount rate	1,317	2,374	1,328	8,833
Remeasurement gains (losses) on market risk benefits related to credit risk	(254)	(52)	(220)	524
Foreign currency translation and other adjustments	(21)	9	6	(72)
Other Comprehensive Income (Loss), before Tax, Total	(2,326)	(3,677)	(933)	(11,021)
Income tax expense (benefit) related to other comprehensive income (loss)	(476)	(727)	(175)	(2,220)
Other comprehensive income (loss)	(1,850)	(2,950)	(758)	(8,801)
Comprehensive income (loss)	(1,519)	(4,002)	1,291	(14,543)
Less: Comprehensive income (loss) attributable to noncontrolling interests	(299)	(640)	357	(2,763)
Comprehensive income (loss) attributable to Athene Holding Ltd. shareholders	$ (1,220)	$ (3,362)	$ 934	$ (11,780)