Debt (Additional Information) (Detail) (USD $) In Millions, except Share data, unless otherwise specified					1 Months Ended	12 Months Ended			12 Months Ended		12 Months Ended	63 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended
	Dec. 07, 2012 Senior Notes [Member]	Feb. 28, 2007 Senior Notes [Member]	Sep. 01, 2013 Short-term Debt [Member]	Sep. 02, 2012 Short-term Debt [Member]	Aug. 31, 1997 Zero Coupon Notes 3 Point 5 Convertible Subordinated Notes [Member]	Sep. 01, 2013 Zero Coupon Notes 3 Point 5 Convertible Subordinated Notes [Member]	Sep. 01, 2013 Senior Notes 5 Point 5 Due March 2017 [Member]	Feb. 28, 2007 Senior Notes 5 Point 5 Due March 2017 [Member]	Sep. 01, 2013 Two Point Six Nine Five Promissory Notes Due October 2017 [Member]	Oct. 31, 2007 Two Point Six Nine Five Promissory Notes Due October 2017 [Member]	Sep. 01, 2013 Yen Tibor Plus Margin Term Loan Due June 2018 [Member]	Sep. 01, 2013 Yen Tibor Plus Margin Term Loan Due June 2018 [Member]	Sep. 02, 2012 Yen Tibor Plus Margin Term Loan Due June 2018 [Member]	Sep. 01, 2013 0.65% Senior Notes due December 2015	Dec. 07, 2012 0.65% Senior Notes due December 2015	Sep. 01, 2013 Senior Notes One Point One Two Five Percent Due December Fifteen Twenty Seventeen [Member]	Dec. 07, 2012 Senior Notes One Point One Two Five Percent Due December Fifteen Twenty Seventeen [Member]	Sep. 01, 2013 Senior Notes One Point Seven Percent Due December Twenty Nineteen [Member]	Dec. 07, 2012 Senior Notes One Point Seven Percent Due December Twenty Nineteen [Member]	Sep. 01, 2013 Private Placement Notes One Point Zero Five Percent Due May Twenty Three [Member] [Member]	May 01, 2013 Private Placement Notes One Point Zero Five Percent Due May Twenty Three [Member] [Member]	Sep. 01, 2013 0.67% Term Loan Due 2016 [Member]	Jul. 31, 2013 0.67% Term Loan Due 2016 [Member]	Sep. 01, 2013 Fixed Rate Note One Point One Eight Percent Due October Twenty Eighteen [Member]	Sep. 02, 2012 Fixed Rate Note One Point One Eight Percent Due October Twenty Eighteen [Member]	Sep. 01, 2013 Minimum [Member] Short-term Debt [Member]	Sep. 01, 2013 Maximum [Member] Short-term Debt [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity			$ 700	$ 438
Line of Credit Facility, Amount Outstanding			36
Line of Credit Facility, Interest Rate During Period																										0.10%	4.31%
Senior note	3,500														1,200		1,100		1,200
Senior note, interest rate															0.65%		1.125%		1.70%
Debt Instrument, Maturity Date							Mar. 15, 2017		Oct. 01, 2017		Jun. 01, 2018			Dec. 07, 2015		Dec. 15, 2017		Dec. 15, 2019		May 01, 2023		Jun. 30, 2016		Oct. 01, 2018
Debt Instrument, Face Amount					900			1,100
Debt Instrument, Frequency of Periodic Payment							Interest is payable semi-annually on March 15 and September 15 of each year until its maturity date.		Interest is payable semi-annually		Interest is payable semi-annually			semi-annually on June 7 and December 7		semi-annually on June 15 and December 15		semi-annually on June 15 and December 15		Interest is payable semi-annually		Interest is payable semi-annually		interest is payable semi-annually
Long-term Debt																					102		102
Debt instrument, stated interest rate (percent)								5.50%		2.695%											1.05%		0.67%		1.18%
Debt Instrument, Basis Spread on Variable Rate												0.35%
Debt Instrument, Interest Rate at Period End											0.68%	0.68%	0.78%
Debt Instrument, Unamortized Discount								6
Redemption Price Company Option	100.00%	100.00%
Redemption Price Certain Events	101.00%	101.00%
Yield To Maturity Percentage					3.50%
Debt Conversion, Converted Instrument, Amount					450
Debt Instrument, Convertible, Number of Equity Instruments						30,000
Debt Instrument, Convertible, Conversion Price					$ 22.71
Amount Of Notes Converted						$ 899