Fair Value Measurements Narrative (Details 3) - USD ($)	12 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Nov. 08, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed-rate long-term debt	$ 4,720,900,000	$ 2,300,000,000	$ 2,300,000,000
Long-term Debt	820,900,000
Fair value of fixed-rate long-term debt		900,000,000
Fair Value, Assets, Level 1, Level 2, Level 3 Transfers, Amount	0	0
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed-rate long-term debt	3,900,000,000
Fair value of fixed-rate long-term debt	$ 3,900,000,000
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed-rate long-term debt		2,300,000,000
Fair value of fixed-rate long-term debt		$ 2,400,000,000