v2.4.1.9
Computation of Basic and Diluted Earnings Per Share (Detail) (USD $)
In Millions, except Share data in Thousands, unless otherwise specified
3 Months Ended
Dec. 27, 2014
Dec. 28, 2013
Numerator:    
Net income $ 18,024us-gaap_NetIncomeLoss $ 13,072us-gaap_NetIncomeLoss
Denominator:    
Weighted-average shares outstanding 5,843,082us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 6,272,504us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Effect of dilutive securities 38,721us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment 37,657us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment
Weighted-average diluted shares 5,881,803us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 6,310,161us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Basic earnings per share $ 3.08us-gaap_EarningsPerShareBasic $ 2.08us-gaap_EarningsPerShareBasic
Diluted earnings per share $ 3.06us-gaap_EarningsPerShareDiluted $ 2.07us-gaap_EarningsPerShareDiluted