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 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Numerator:        
Net income attributable to common shareowners $ 1,097 $ 469 $ 3,205 $ 2,555
Denominator:        
Weighted average shares 933 958 941 959
Deferred compensation obligations 1 1 1 1
Vested portion of restricted shares 1 2 1 2
Denominator for basic earnings per share 935 961 943 962
Denominator for diluted earnings per share 944 970 952 971
Basic earnings per share $ 1.17 $ 0.49 $ 3.40 $ 2.66
Diluted earnings per share $ 1.16 $ 0.48 $ 3.37 $ 2.63
Restricted performance units
       
Denominator:        
Incremental common shares attributable to share-based payment arrangements 8 8 8 8
Stock option plans
       
Denominator:        
Incremental common shares attributable to share-based payment arrangements 1 1 1 1