Fair Value Measurements (Details) (Fair Value, Measurements, Recurring [Member], USD $) In Millions	Jul. 01, 2011	Jul. 02, 2010
Assets:
Total cash equivalents	$ 859	$ 1,213
Total assets at fair value	874	1,245
Liabilities:
Liabilities At Fair Value	(5)
Money Market Funds [Member]
Assets:
Total cash equivalents	721	458
Money Market Funds [Member] | Quoted Prices in Active Markets for Identical Instruments (Level 1) [Member]
Assets:
Total cash equivalents	721	458
Money Market Funds [Member] | Significant Other Observable Inputs (Level 2) [Member]
Assets:
Total cash equivalents	0	0
Money Market Funds [Member] | Significant Unobservable Inputs (Level 3) [Member]
Assets:
Total cash equivalents	0	0
US Treasury Securities [Member]
Assets:
Total cash equivalents	60	385
US Treasury Securities [Member] | Quoted Prices in Active Markets for Identical Instruments (Level 1) [Member]
Assets:
Total cash equivalents	0	0
US Treasury Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Assets:
Total cash equivalents	60	385
US Treasury Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Assets:
Total cash equivalents	0	0
U.S. Government agency securities [Member]
Assets:
Total cash equivalents	78	370
U.S. Government agency securities [Member] | Quoted Prices in Active Markets for Identical Instruments (Level 1) [Member]
Assets:
Total cash equivalents	0	0
U.S. Government agency securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Assets:
Total cash equivalents	78	370
U.S. Government agency securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Assets:
Total cash equivalents	0	0
Auction Rate Securities [Member]
Assets:
Auction-rate securities	15	15
Auction Rate Securities [Member] | Quoted Prices in Active Markets for Identical Instruments (Level 1) [Member]
Assets:
Auction-rate securities	0	0
Auction Rate Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Assets:
Auction-rate securities	0	0
Auction Rate Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Assets:
Auction-rate securities	15	15
Foreign Exchange Contract [Member]
Assets:
Foreign exchange contracts		17
Liabilities:
Foreign exchange contracts	(5)
Foreign Exchange Contract [Member] | Quoted Prices in Active Markets for Identical Instruments (Level 1) [Member]
Assets:
Foreign exchange contracts		0
Liabilities:
Foreign exchange contracts	0
Foreign Exchange Contract [Member] | Significant Other Observable Inputs (Level 2) [Member]
Assets:
Foreign exchange contracts		17
Liabilities:
Foreign exchange contracts	(5)
Foreign Exchange Contract [Member] | Significant Unobservable Inputs (Level 3) [Member]
Assets:
Foreign exchange contracts		0
Liabilities:
Foreign exchange contracts	0
Quoted Prices in Active Markets for Identical Instruments (Level 1) [Member]
Assets:
Total cash equivalents	721	458
Total assets at fair value	721	458
Liabilities:
Liabilities At Fair Value	0
Significant Other Observable Inputs (Level 2) [Member]
Assets:
Total cash equivalents	138	755
Total assets at fair value	138	772
Liabilities:
Liabilities At Fair Value	(5)
Significant Unobservable Inputs (Level 3) [Member]
Assets:
Total cash equivalents	0	0
Total assets at fair value	15	15
Liabilities:
Liabilities At Fair Value	$ 0