EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Numerator (basic and diluted):
Net income	$ 420	$ 611
Less: Preferred stock dividends	24	23
Net income available to common stockholders	$ 396	$ 588
Denominator:
Weighted-average common shares outstanding - basic (in shares)	422,401,747	425,953,716
Dilutive common shares: share-based awards (in shares)	2,269,124	1,926,814
Weighted-average common shares outstanding - diluted (in shares)	424,670,871	427,880,530
Earnings per common share:
Basic (in dollars per share)	$ 0.94	$ 1.38
Diluted (in dollars per share)	$ 0.93	$ 1.37
Share-based awards excluded from diluted earnings per share computation (in shares)	2,222	305,210