Fair Value Measurements (Details) - USD ($) $ in Thousands	Mar. 28, 2020	Jun. 29, 2019
Not Designated as Hedging Instrument
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of total debt	$ 10,400,000	$ 8,600,000
Carrying value of total debt	10,900,000	8,200,000
Recurring Fair Value Measurements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	1,857,013	73,024
Other assets	43,740	18,785
Total assets at fair value	1,900,753	91,809
Recurring Fair Value Measurements | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	1,656,813	72,824
Other assets	43,740	18,785
Total assets at fair value	1,700,553	91,609
Recurring Fair Value Measurements | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	200,200	200
Other assets	0	0
Total assets at fair value	200,200	200
Recurring Fair Value Measurements | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	0	0
Other assets	0	0
Total assets at fair value	$ 0	$ 0