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Employee Termination, Asset Impairment and Other Charges - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Apr. 03, 2015	Mar. 28, 2014	Apr. 03, 2015	Mar. 28, 2014
Employee Termination, Asset Impairment and Other Charges [Line Items]
Employee termination, asset impairment and other charges	$ 10us-gaap_RestructuringCosts	$ 25us-gaap_RestructuringCosts	$ 72us-gaap_RestructuringCosts	$ 59us-gaap_RestructuringCosts
Restructuring Reserve [Roll Forward]
Restructuring Reserve			7us-gaap_RestructuringReserve
Accruals			60us-gaap_RestructuringCharges
Payments			(41)us-gaap_PaymentsForRestructuring
Restructuring Reserve	26us-gaap_RestructuringReserve		26us-gaap_RestructuringReserve
Employee termination benefits
Employee Termination, Asset Impairment and Other Charges [Line Items]
Employee termination, asset impairment and other charges	17	6	60	27
Contract termination and other
Employee Termination, Asset Impairment and Other Charges [Line Items]
Employee termination, asset impairment and other charges	(9)	2	(9)	6
Impairment of assets
Employee Termination, Asset Impairment and Other Charges [Line Items]
Employee termination, asset impairment and other charges	$ 2	$ 17	$ 21	$ 26