Fair Value of Pension Plan Assets (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012
Defined Benefit Plan Disclosure [Line Items]
Equity Securities	$ 184	$ 187
Fixed Income Securities	1,329	1,210
Total fair value of assets	1,565	1,439	1,515
Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure [Line Items]
Equity Securities	184	187
Fixed Income Securities	134	256
Total fair value of assets	323	449
Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Equity Securities	0	0
Fixed Income Securities	1,195	954
Total fair value of assets	1,242	990
Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Equity Securities	0	0
Fixed Income Securities	0	0
Total fair value of assets	0	0
U.S. Securities
Defined Benefit Plan Disclosure [Line Items]
Equity Securities	84	85
U.S. Securities | Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure [Line Items]
Equity Securities	84	85
U.S. Securities | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Equity Securities	0	0
U.S. Securities | Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Equity Securities	0	0
Non-U.S. Securities
Defined Benefit Plan Disclosure [Line Items]
Equity Securities	100	102
Non-U.S. Securities | Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure [Line Items]
Equity Securities	100	102
Non-U.S. Securities | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Equity Securities	0	0
Non-U.S. Securities | Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Equity Securities	0	0
US Government Agencies Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fixed Income Securities	134	256
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure [Line Items]
Fixed Income Securities	134	256
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fixed Income Securities	0	0
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fixed Income Securities	0	0
Corporate Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fixed Income Securities	643	503
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure [Line Items]
Fixed Income Securities	0	0
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fixed Income Securities	643	503
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fixed Income Securities	0	0
U.S. Pooled Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fixed Income Securities	134	122
U.S. Pooled Funds [Member] | Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure [Line Items]
Fixed Income Securities	0	0
U.S. Pooled Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fixed Income Securities	134	122
U.S. Pooled Funds [Member] | Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fixed Income Securities	0	0
Non-U.S. Pooled Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fixed Income Securities	5	5
Non-U.S. Pooled Funds [Member] | Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure [Line Items]
Fixed Income Securities	0	0
Non-U.S. Pooled Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fixed Income Securities	5	5
Non-U.S. Pooled Funds [Member] | Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fixed Income Securities	0	0
Bond Fund [Member]
Defined Benefit Plan Disclosure [Line Items]
Fixed Income Securities	413	324
Bond Fund [Member] | Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure [Line Items]
Fixed Income Securities	0	0
Bond Fund [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fixed Income Securities	413	324
Bond Fund [Member] | Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fixed Income Securities	0	0
Real Estate
Defined Benefit Plan Disclosure [Line Items]
Other Assets Category	32	23
Real Estate | Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure [Line Items]
Other Assets Category	0	0
Real Estate | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Other Assets Category	32	23
Real Estate | Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Other Assets Category	0	0
Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Other Assets Category	5	6
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure [Line Items]
Other Assets Category	5	6
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Other Assets Category	0	0
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Other Assets Category	0	0
Other Assest Category [Member]
Defined Benefit Plan Disclosure [Line Items]
Other Assets Category	15	13
Other Assest Category [Member] | Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure [Line Items]
Other Assets Category	0	0
Other Assest Category [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Other Assets Category	15	13
Other Assest Category [Member] | Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Other Assets Category	$ 0	$ 0