Stock Repurchase Program - Additional Information (Detail) (USD $)	3 Months Ended				6 Months Ended		0 Months Ended
	Dec. 28, 2014		Sep. 28, 2014		Dec. 28, 2014	Dec. 29, 2013	Oct. 09, 2014	Apr. 29, 2014
Stock Repurchase Program [Line Items]
Net shares of settlements to cover tax withholding obligations					409,418
Amount paid for shares under net share settlements					$ 31,300,000
Treasury stock purchases					373,958,000	152,195,000
Total Number of Shares Repurchased	869,000		3,818,000
Treasury stock purchases, weighted average share price	$ 77.31	[1]	$ 70.01	[1]
Treasury stock, at cost	250,000,000				250,000,000
Repurchase Of Equity | Maximum
Stock Repurchase Program [Line Items]
Authorized repurchase of Company common stock								850,000,000
Share Repurchase Program Final Settlement
Stock Repurchase Program [Line Items]
Treasury stock purchases			$ 250,000,000
Total Number of Shares Repurchased							300,000
Treasury stock purchases, weighted average share price							$ 72.90
Share Repurchase Program Final Settlement | Initial delivery
Stock Repurchase Program [Line Items]
Total Number of Shares Repurchased			3,200,000

[1] Average price paid per share excludes accelerated share repurchases for which cost was incurred during the September 2014 quarter, but that did not settle until the December 2014 quarter. See Collared Accelerated Share Repurchase section below for details regarding average price associated with these transactions.