Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share (Detail)

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Earnings Per Share (Detail) (USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 27, 2014
Sep. 28, 2013
Sep. 27, 2014
Sep. 28, 2013
Earnings Per Share [Abstract]        
Net income available to common stockholders $ 3,317 $ 2,950 $ 8,043 $ 6,995
Weighted average common shares outstanding—basic 4,880 4,981 4,945 4,969
Dilutive effect of employee equity incentive plans (shares) 76 60 73 68
Dilutive effect of convertible debt (shares) 89 59 77 58
Weighted average common shares outstanding—diluted 5,045 5,100 5,095 5,095
Basic earnings per common share (in dollars per share) $ 0.68 $ 0.59 $ 1.63 $ 1.41
Diluted earnings per common share (in dollars per share) $ 0.66 $ 0.58 $ 1.58 $ 1.37
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (shares) 0 56 14 56