CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
Net premiums	$ 752	$ 1,005	$ 1,641	$ 2,149
Other policy revenue	172	184	321	296
Net investment income	1,160	932	2,435	1,372
Investment related gains (losses)	73	2	69	(32)
Other income (loss)	29	(8)	59	0
Total revenues	2,186	2,115	4,525	3,785
Policyholder benefits and claims incurred	828	1,030	1,716	2,116
Interest sensitive contract benefits	485	390	997	545
Amortization of deferred policy acquisition costs, deferred sales inducements and value of business acquired	332	199	650	360
Change in fair value of insurance-related derivatives and embedded derivatives	131	21	330	2
Change in fair value of market risk benefits	(47)	139	314	158
Operating expenses	216	335	491	438
Interest expense	49	43	93	65
Total benefits and expenses	1,994	2,157	4,591	3,684
Net income (loss) before income taxes	192	(42)	(66)	101
Income tax expense (benefit)	38	(289)	(17)	(260)
Net income (loss)	154	247	(49)	361
Less: Net income (loss) attributable to noncontrolling interests	2	(8)	5	(7)
Net income (loss) attributable to American National Group Inc. stockholders	152	255	(54)	368
Less: Preferred stock dividends and redemption	11	11	41	11
Net income (loss) attributable to American National Group Inc. common stockholder	$ 141	$ 244	$ (95)	$ 357