Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share (Detail)

v2.4.0.6
Earnings Per Share (Detail) (USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Apr. 02, 2011
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Net income available to common stockholders $ 2,738 $ 3,160
Weighted average common shares outstanding-basic 4,999 5,452
Dilutive effect of employee equity incentive plans (shares) 126 102
Dilutive effect of convertible debt (shares) 67 52
Weighted average common shares outstanding-diluted 5,192 5,606
Basic earnings per common share (in dollars per share) $ 0.55 $ 0.58
Diluted earnings per common share (in dollars per share) $ 0.53 $ 0.56
Stock Options [Member]
   
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (shares) 19 125