Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 5,752	$ (5,016)	$ 3,800
Other comprehensive income (loss), before tax
Unrealized investment gains (losses) on available-for-sale securities	5,284	(18,156)	(2,283)
Unrealized gains (losses) on hedging instruments	(199)	2	232
OCI, Liability for Future Policy Benefit, Gain (Loss), after Reclassification Adjustment and Tax	(2,236)	8,425	0
Foreign currency translation and other adjustments	40	(27)	(10)
Other comprehensive income (loss), before tax	2,515	(9,390)	(2,061)
Income tax expense (benefit) related to other comprehensive income (loss)	511	(1,933)	(371)
Other comprehensive income	2,004	(7,457)	(1,690)
Comprehensive income (loss)	7,756	(12,473)	2,110
Less: Comprehensive income (loss) attributable to noncontrolling interests	1,342	(2,242)	(208)
Comprehensive income (loss) available to Athene Holding Ltd. shareholders	6,414	(10,231)	2,318
Other Comprehensive Income (Loss), Remeasurement Gain (Loss), Market Risk Benefits Related To Credit Risk, Before Tax	$ (374)	$ 366	$ 0