Quarterly report pursuant to Section 13 or 15(d)

Computation of Basic and Diluted Earnings Per Share (Detail)

v3.7.0.1
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, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Numerator:        
Net income attributable to common shareowners $ 1,384 $ 1,269 $ 2,542 $ 2,400
Denominator:        
Weighted average shares 867 881 868 883
Deferred compensation obligations 1 1 1 1
Vested portion of restricted shares 4 4 4 3
Denominator for basic earnings per share 872 886 873 887
Effect of dilutive securities:        
Denominator for diluted earnings per share 876 890 877 892
Basic earnings per share (usd per share) $ 1.59 $ 1.43 $ 2.91 $ 2.71
Diluted earnings per share (usd per share) $ 1.58 $ 1.43 $ 2.90 $ 2.69
Restricted performance units        
Effect of dilutive securities:        
Incremental common shares attributable to share-based payment arrangements 3 3 3 4
Stock option plans        
Effect of dilutive securities:        
Incremental common shares attributable to share-based payment arrangements 1 1 1 1