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Recently Accounting Pronouncements - Additional Information (Details) - USD ($)
$ in Millions
Oct. 04, 2019
Jun. 29, 2019
Jun. 30, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Increase in lease assets $ 243    
Increase in lease liabilities $ 257    
Decrease to retained earnings   $ 5 $ (56)
Accounting Standards Update 2016-02      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Increase in lease assets   221  
Increase in lease liabilities   $ 221