CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 247	$ 98	$ 361	$ 111
Other comprehensive income (loss), net of tax:
Change in net unrealized investment gains (losses)	387	(215)	343	125
Foreign currency translation	8	0	5	0
Change in discount rate for future policyholder benefit liability	80	62	182	(44)
Change in instrument-specific credit risk for market risk benefit	14	(7)	5	(14)
Defined benefit pension plan adjustment	14	1	19	3
Total other comprehensive income (loss)	503	(159)	554	70
Comprehensive income (loss)	750	(61)	915	181
Less: Comprehensive income (loss) attributable to noncontrolling interest	2	(3)	4	2
Comprehensive income (loss) attributable to American National Group Inc.	$ 748	$ (58)	$ 911	$ 179