Quarterly report pursuant to Section 13 or 15(d)

Computation of Basic and Diluted Earnings Per Share (Detail)

v3.4.0.3
Computation of Basic and Diluted Earnings Per Share (Detail) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Numerator:    
Net income attributable to common shareowners $ 1,131 $ 1,026
Denominator:    
Weighted average shares 885 903
Deferred compensation obligations 1 1
Vested portion of restricted shares 3 2
Denominator for basic earnings per share 889 906
Effect of dilutive securities:    
Denominator for diluted earnings per share 894 913
Basic earnings per share $ 1.27 $ 1.13
Diluted earnings per share $ 1.27 $ 1.12
Restricted performance units    
Effect of dilutive securities:    
Incremental common shares attributable to share-based payment arrangements 4 6
Stock option plans    
Effect of dilutive securities:    
Incremental common shares attributable to share-based payment arrangements 1 1