Schedule II - Statements of Cash Flows (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by (used in) operating activities		$ 3,314	$ 3,273	$ 6,243
Cash flows from investing activities:
Sales and maturities of investments		4,086	6,588	960
Sales of divested businesses		0	587	2,568
Other, net		(821)	(66)	(1,754)
Net cash provided by (used in) investing activities		3,190	1,672	(7,021)
Cash flows from financing activities:
Issuance of long-term debt		1,241	661	742
Redemption of preferred stock		0	(485)	0
Dividends on preferred stock and preferred stock redemption premiums		0	(22)	(29)
Cash dividends paid on common stock		(976)	(1,002)	(997)
Purchase of common stock		(5,836)	(6,652)	(2,961)
Other, net		129	605	2,846
Net cash provided by (used in) financing activities		(6,543)	(5,063)	782
Cash and restricted cash at beginning of year		1,372	1,573
Cash and restricted cash at end of year		1,345	1,372	1,573
Supplementary Disclosure of Condensed Consolidated Cash Flow Information
Cash		1,274	1,302	1,540
Restricted cash included in Short-term investments	[1]	55	55	1
Total cash and restricted cash shown in Statements of Cash Flows – Parent Company Only		1,345	1,372	1,573	$ 1,571
Interest		389	858	1,059
Taxes		330	708	984
Parent Company
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by (used in) operating activities		2,083	3,367	4,309
Cash flows from investing activities:
Sales and maturities of investments		2,924	6,018	3,367
Purchase of investments		(1,303)	(353)	(2,070)
Net change in short-term investments		2,568	(523)	(4,393)
Contributions from (to) subsidiaries - net		312	(12)	(47)
Loans to subsidiaries - net		(239)	0	84
Other, net		28	278	1,025
Net cash provided by (used in) investing activities		4,290	5,408	(2,034)
Cash flows from financing activities:
Issuance of long-term debt		1,241	660	742
Repayments of debt		(852)	(2,047)	(2,037)
Redemption of preferred stock		0	(485)	0
Dividends on preferred stock and preferred stock redemption premiums		0	(22)	(29)
Cash dividends paid on common stock		(976)	(1,002)	(997)
Loans from subsidiaries - net		0	0	(97)
Purchase of common stock		(5,836)	(6,652)	(2,961)
Other, net		54	822	3,108
Net cash provided by (used in) financing activities		(6,369)	(8,726)	(2,271)
Change in cash and restricted cash		4	49	4
Cash and restricted cash at beginning of year		59	10	6
Cash and restricted cash at end of year		63	59	10
Supplementary Disclosure of Condensed Consolidated Cash Flow Information
Cash		8	4	10
Restricted cash included in Short-term investments		55	55	0
Total cash and restricted cash shown in Statements of Cash Flows – Parent Company Only		63	59	10
Interest		(382)	(611)	(455)
Intercompany		2	1	(3)
Taxes		178	(231)	(109)
Intercompany		627	248	399
Intercompany non-cash financing and investing activities:
Capital contributions		312	371	861
Dividends received in the form of securities		$ 0	$ 0	$ 314

[1] Includes funds held for tax sharing payments to AIG Parent, security deposits, and replacement reserve deposits related to real estate.