EARNINGS PER COMMON SHARE COMPUTATION (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income available for common stockholders	$ 2,806	$ 2,933	$ 3,367
Weighted-average outstanding shares of common stock used to compute basic earnings per common share (in shares)	126,419	128,688	132,199
Shares used to compute diluted earnings per common share (in shares)	127,094	129,396	133,012
Basic earnings per common share (in dollars per share)	$ 22.20	$ 22.79	$ 25.47
Diluted earnings per common share (in dollars per share)	$ 22.08	$ 22.67	$ 25.31
Number of antidilutive stock options and restricted stock awards excluded from computation (in shares)	205	216	238
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)	50	64	92
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)	625	644	721