Quarterly report pursuant to Section 13 or 15(d)

Computation of Basic and Diluted Earnings Per Share (Detail)

v2.4.0.8
Computation of Basic and Diluted Earnings Per Share (Detail) (USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Numerator:    
Net income attributable to common shareowners $ 911 $ 1,037
Denominator:    
Weighted average shares 921 949
Deferred compensation obligations 1 1
Vested portion of restricted shares 1 2
Denominator for basic earnings per share 923 952
Denominator for diluted earnings per share 931 960
Basic earnings per share $ 0.99 $ 1.09
Diluted earnings per share $ 0.98 $ 1.08
Restricted performance units
   
Denominator:    
Incremental common shares attributable to share-based payment arrangements 7 7
Stock option plans
   
Denominator:    
Incremental common shares attributable to share-based payment arrangements 1 1