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Goodwill and Other Intangible Assets - Intangible Asset Amortization (Details) - USD ($)
$ in Millions
12 Months Ended
Jun. 28, 2019
Jun. 29, 2018
Jun. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]      
Intangible asset amortization $ 968 $ 1,185 $ 1,169