Annual report pursuant to Section 13 and 15(d)

EARNINGS PER SHARE - Computation of Basic and Diluted Earnings Per Share (Detail)

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EARNINGS PER SHARE - Computation of Basic and Diluted Earnings Per Share (Detail) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Numerator:                      
Net income attributable to common shareowners $ (3,347) $ 1,957 $ 1,768 $ 965 $ (106) $ 1,750 $ 1,685 $ 1,111 $ 1,343 $ 4,440 $ 4,791
Denominator:                      
Weighted-average shares                 862 859 860
Deferred compensation obligations                 0 0 1
Vested portion of restricted shares                 5 5 5
Denominator for basic earnings per share                 867 864 866
Effect of Dilutive Securities:                      
Denominator for diluted earnings per share                 871 869 870
Basic Earnings Per Share (in dollars per share) $ (3.84) $ 2.25 $ 2.04 $ 1.12 $ (0.12) $ 2.03 $ 1.95 $ 1.28 $ 1.55 $ 5.14 $ 5.53
Diluted Earnings Per Share (in dollars per share) $ (3.84) $ 2.24 $ 2.03 $ 1.11 $ (0.12) $ 2.01 $ 1.94 $ 1.28 $ 1.54 $ 5.11 $ 5.51
Restricted Performance Units [Member]                      
Effect of Dilutive Securities:                      
Dilutive securities                 4 5 4