Quarterly report pursuant to Section 13 or 15(d)

Computation of Basic and Diluted Earnings Per Share (Detail)

v3.10.0.1
Computation of Basic and Diluted Earnings Per Share (Detail) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Numerator:        
Net income attributable to common shareowners $ 1,508 $ 1,259 $ 4,338 $ 3,809
Denominator:        
Weighted average shares 860 864 861 867
Deferred compensation obligations 1 1 1 1
Vested portion of restricted shares 4 4 4 4
Denominator for basic earnings per share 865 869 866 872
Effect of dilutive securities:        
Denominator for diluted earnings per share 870 874 870 876
Basic earnings per share (usd per share) $ 1.74 $ 1.45 $ 5.01 $ 4.37
Diluted earnings per share (usd per share) $ 1.73 $ 1.44 $ 4.99 $ 4.35
Restricted performance units        
Effect of dilutive securities:        
Incremental common shares attributable to share-based payment arrangements 5 4 4 3
Stock option plans        
Effect of dilutive securities:        
Incremental common shares attributable to share-based payment arrangements 0 1 0 1