EARNINGS PER COMMON SHARE COMPUTATION (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income available for common stockholders	$ 1,188	$ 1,207	$ 2,489
Weighted-average outstanding shares of common stock used to compute basic earnings per common share (in shares)	120,454	120,571	123,866
Shares used to compute diluted earnings per common share (in shares)	120,826	120,869	124,441
Basic earnings per common share (in dollars per share)	$ 9.87	$ 10.01	$ 20.09
Diluted earnings per common share (in dollars per share)	$ 9.84	$ 9.98	$ 20.00
Number of antidilutive stock options and restricted stock awards excluded from computation (in shares)	895	814	207
Employee stock options
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Dilutive effect of employee stock options and restricted stock (in shares)	0	3	32
Restricted stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Dilutive effect of employee stock options and restricted stock (in shares)	372	295	543