EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net income (loss)	$ 1,932	$ (217)	$ 2,938	$ 41
Net income attributable to noncontrolling interests	31	8	46	27
Undistributed Earnings (Loss) Allocated to Participating Securities, Basic	10	2	15	4
Net Income (Loss) Available to Common Stockholders, Basic	$ 1,891	$ (227)	$ 2,877	$ 10
Earnings Per Share, Basic	$ 2.53	$ (0.31)	$ 3.86	$ 0.01
Earnings Per Share, Diluted	$ 2.51	$ (0.31)	$ 3.83	$ 0.01
Weighted-average common shares outstanding - basic	747.0	739.3	745.9	739.7
Dilutive effect of equity compensation plans	5.9	0.0	5.5	1.3
Weighted-average common shares outstanding - diluted	752.9	739.3	751.4	741.0
Stock options and restricted stock units excluded from EPS calculations	3.8	27.7	4.8	17.3