STOCKHOLDERS' EQUITY - Narrative (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	1 Months Ended	3 Months Ended	12 Months Ended
	Feb. 19, 2026	Dec. 31, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Feb. 18, 2026	Feb. 16, 2024	Feb. 15, 2024
Equity, Class of Treasury Stock [Line Items]
Cash dividend declared (in dollars per share)		$ 0.885
Dividends		$ 107
Stock repurchases			$ 151	$ 803	$ 1,586
Common shares acquired in connection with employee stock plans (in shares)			0.2	0.2	0.2
Common shares acquired in connection with employee stock plans, amount			$ 51	$ 46	$ 73
Aggregate statutory capital and surplus in our state regulated insurance subsidiaries		14,100	14,100	13,200
Aggregate minimum regulatory requirements of statutory capital and surplus		6,900	6,900	11,400
Ordinary dividends that may be paid to parent company		$ 1,100	1,100
Actual dividends paid to parent company			$ 1,100	$ 1,500	$ 1,800
2023 And 2024 Share Repurchase Authorization
Equity, Class of Treasury Stock [Line Items]
Stock repurchases (in shares)				1.9
Stock repurchases				$ 750
Stock repurchase average price (in dollars per share)				$ 384.65
2023 Share Repurchase Authorization
Equity, Class of Treasury Stock [Line Items]
Remaining authorized amount								$ 824
2024 Share Repurchase Authorization
Equity, Class of Treasury Stock [Line Items]
Share repurchase authorization							$ 3,000
Stock repurchases (in shares)			0.4
Stock repurchases			$ 100
Stock repurchase average price (in dollars per share)			$ 233.73
Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Cash dividend declared (in dollars per share)	$ 0.885
Subsequent Event | 2024 Share Repurchase Authorization
Equity, Class of Treasury Stock [Line Items]
Remaining authorized amount						$ 2,700