EARNINGS PER SHARE Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income (loss) from continuing operations, net of tax	$ 6,405	$ 1,294	$ (1,717)
Net income attributable to participating securities - continuing operations 1	(32)	(9)	(6)
Income (loss) from continuing operations attributable to common stockholders	6,279	1,216	(1,797)
Income from discontinued operations, net of tax	0	0	445
Income from discontinued operations attributable to common stockholders	0	0	432
Net income (loss) attributable to common stockholders	$ 6,279	$ 1,216	$ (1,365)
Earnings (loss) per common share from continuing operations - basic	$ 8.44	$ 1.64	$ (2.42)
Earnings per common share from discontinued operations - basic	0	0	0.58
Earnings (loss) per common share - basic	8.44	1.64	(1.84)
Earnings (loss) per common share from continuing operations - diluted	8.38	1.64	(2.42)
Earnings per common share from discontinued operations - diluted	0	0	0.58
Earnings (loss) per common share - diluted	$ 8.38	$ 1.64	$ (1.84)
Weighted-average common shares outstanding - basic	743.6	740.5	742.5
Weighted-average common shares outstanding - basic	5.4	1.8	0.0
Weighted-average common shares outstanding - diluted	749.0	742.3	742.5
Stock options and restricted stock units excluded from EPS calculations 3	5.8	14.2	20.8
Noncontrolling Interests
Net income attributable to noncontrolling interests - continuing operations	$ (94)	$ (69)	$ (74)
Net income attributable to noncontrolling interests - discontinued operations	$ 0	$ 0	$ (13)