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Additional Financial Information - Components of Other Non-Current Assets (Detail) - USD ($)
$ in Millions
Jun. 30, 2019
Jul. 01, 2018
Jun. 30, 2018
Assets, Noncurrent [Abstract]      
Royalty advances to authors $ 343   $ 312
Retirement benefit assets 117   135
Inventory [1] 155   143
Other 315   241
Total Other non-current assets $ 930 $ 923 $ 831
[1] Primarily consists of the non-current portion of programming rights.