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Additional Financial Information - Components of Other Non-Current Assets (Detail) - USD ($)
$ in Millions
Sep. 30, 2021
Jun. 30, 2021
Assets, Noncurrent [Abstract]    
Royalty advances to authors $ 385 $ 406
Retirement benefit assets 130 120
Inventory 269 279
News America Marketing deferred consideration 131 128
Other 443 514
Total Other non-current assets 1,358 1,447
Inventory, net $ (308) $ (253)