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 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Numerator:        
Net income attributable to common shareowners $ 1,485 $ 1,384 $ 2,830 $ 2,550
Denominator:        
Weighted average shares 861 867 861 868
Deferred compensation obligations 1 1 1 1
Vested portion of restricted shares 4 4 4 4
Denominator for basic earnings per share 866 872 866 873
Effect of dilutive securities:        
Denominator for diluted earnings per share 870 876 870 877
Basic earnings per share (usd per share) $ 1.71 $ 1.59 $ 3.27 $ 2.92
Diluted earnings per share (usd per share) $ 1.71 $ 1.58 $ 3.25 $ 2.91
Restricted performance units        
Effect of dilutive securities:        
Incremental common shares attributable to share-based payment arrangements 3 3 3 3
Stock option plans        
Effect of dilutive securities:        
Incremental common shares attributable to share-based payment arrangements 1 1 1 1