STOCKHOLDERS' EQUITY - BASIC AND DILUTED EPS (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
PER COMMON SHARE, BASIC
Income (loss) from continuing operations	$ 13,304	$ 2,790	$ (13,533)
Loss from discontinued operations	0	(468)	(1,298)
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	13,304	2,322	(14,831)
Less: Preferred stock dividends	(800)	(800)	(844)
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	12,504	1,522	(15,675)
Less: Net income allocated to participating securities	(83)	(10)	0
Net income (loss), net of participating securities	$ 12,421	$ 1,512	$ (15,675)
Weighted-average number of basic shares (in shares)	926.2	935.0	918.7
Basic earnings (loss) per common share (in dollars per share)	$ 13.41	$ 1.62	$ (17.06)
Less: Net income allocated to participating securities	$ (77)	$ (10)	$ 0
Net income (loss), net of participating securities	$ 12,427	$ 1,512	$ (15,675)
Dilutive securities (in shares)	75.8	23.8	0.0
Total diluted weighted- average common shares (in shares)	1,002.0	958.8	918.7
Diluted earnings (loss) per common share (in dollars per share)	$ 12.40	$ 1.58	$ (17.06)
Antidilutive securities excluded from computation of earnings per share (in shares)	0.0	87.0