EARNINGS PER SHARE - Computation of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Numerator:
Net income attributable to common shareowners	$ 12,890	$ 1,343	$ 4,440
Denominator:
Weighted-average shares	869	862	859
Deferred compensation obligations	0	0	0
Vested portion of restricted shares	5	5	5
Denominator for basic earnings per share	874	867	864
Effect of Dilutive Securities:
Denominator for diluted earnings per share	878	871	869
Basic Earnings Per Share (in dollars per share)	$ 14.75	$ 1.55	$ 5.14
Diluted Earnings Per Share (in dollars per share)	$ 14.68	$ 1.54	$ 5.11
Restricted Performance Units [Member]
Effect of Dilutive Securities:
Dilutive securities	3	4	5
Stock Option Plans [Member]
Effect of Dilutive Securities:
Dilutive securities	1	0	0