Employee Termination Benefits and Other Charges - Schedule of Employee Termination Benefits and Other Charges (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
Severance And Other Charges [Line Items]
Accrual, Beginning Balance			$ 16
Charges	63	41	26	130
Cash payments	(9)	(24)	(23)
Non-cash charges	(1)	(15)
Accrual, Ending Balance	74	21	19	74
Employee Termination Benefits [Member]
Severance And Other Charges [Line Items]
Charges	54	26	25
Cash payments	(7)	(13)	(22)
Non-cash charges	(1)	(3)
Accrual, Ending Balance	59	13	3	59
Impairment of Assets [Member]
Severance And Other Charges [Line Items]
Charges		12
Non-cash charges		(12)
Contract and Other Termination Costs [Member]
Severance And Other Charges [Line Items]
Accrual, Beginning Balance			16
Charges	9	3	1
Cash payments	(2)	(11)	(1)
Accrual, Ending Balance	$ 15	$ 8	$ 16	$ 15