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Supplemental Financial Statement Data - Total Warranty Accrual (Details) - USD ($)
$ in Millions
Jun. 28, 2019
Jun. 29, 2018
Jun. 30, 2017
Jul. 05, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Current portion $ 188 $ 168    
Long-term portion 162 150    
Total warranty accrual $ 350 $ 318 $ 311 $ 279