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Additional Financial Information - Components of Other Non-Current Assets (Detail) - USD ($)
$ in Millions
Jun. 30, 2020
Jun. 30, 2019
Assets, Noncurrent [Abstract]    
Royalty advances to authors $ 348 $ 343
Retirement benefit assets 94 117
Inventory 133 155
News America Marketing deferred consideration 111 0
Other 353 315
Total Other non-current assets $ 1,039 $ 930