Quarterly Results of Operations - Quarterly Results of Operations (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended							12 Months Ended
	Jun. 28, 2013	Mar. 29, 2013	Dec. 28, 2012	Sep. 28, 2012	Jun. 29, 2012	Mar. 30, 2012	Dec. 30, 2011	Jun. 28, 2013	Jun. 29, 2012	Jul. 01, 2011
Employee termination benefits and other charges	$ 8	$ 63	$ 41	$ 26	$ 80			$ 138	$ 80
Charges related to arbitration award	681							681		25
Charge related to passage of California Proposition 39			88					88
Flooding charges net of recoveries						15	199
Hitachi Global Storage Technologies [Member]
Costs recognized for fair value of inventory written-up						91
Tax effect costs recognized for fair value of inventory written-up						$ 16