Employee Termination Benefits and Other Charges - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended			9 Months Ended
	Mar. 29, 2013	Dec. 28, 2012	Sep. 28, 2012	Mar. 29, 2013
Employee Termination Benefits And Other Charges [Abstract]
Charges to realign production	$ 63	$ 41	$ 26	$ 130