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Property, Plant and Equipment - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Jun. 30, 2017
Dec. 31, 2016
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2016
Property, Plant and Equipment [Line Items]          
Depreciation related to property, plant and equipment     $ 372 $ 358 $ 415
Amortization of capitalized software     175 168 194
Operating lease expense     183 156 164
fixed asset impairment charges $ 464        
Non-cash impairment charge     $ 280 785 $ 0
United Kingdom Newspapers [Member]          
Property, Plant and Equipment [Line Items]          
Non-cash impairment charge $ 360     $ 360  
Discount rates       8.50%  
Long-term growth rates       (1.00%)  
Australian Newspapers [Member]          
Property, Plant and Equipment [Line Items]          
Non-cash impairment charge   $ 310      
Discount rates   11.50%      
News Corp Australia [Member]          
Property, Plant and Equipment [Line Items]          
fixed asset impairment charges   $ 310   $ 679  
Trade Names [Member] | Australian Newspapers [Member]          
Property, Plant and Equipment [Line Items]          
Non-cash impairment charge   18      
Print Sites [Member] | United Kingdom Newspapers [Member]          
Property, Plant and Equipment [Line Items]          
Non-cash impairment charge       252  
Presses and Print Related Equipment [Member] | United Kingdom Newspapers [Member]          
Property, Plant and Equipment [Line Items]          
Non-cash impairment charge       85  
Presses and Print Related Equipment [Member] | Australian Newspapers [Member]          
Property, Plant and Equipment [Line Items]          
Non-cash impairment charge   149      
Capitalized Software [Member] | United Kingdom Newspapers [Member]          
Property, Plant and Equipment [Line Items]          
Non-cash impairment charge       $ 23  
Capitalized Software [Member] | Australian Newspapers [Member]          
Property, Plant and Equipment [Line Items]          
Non-cash impairment charge   66      
Facilities [Member] | Australian Newspapers [Member]          
Property, Plant and Equipment [Line Items]          
Non-cash impairment charge   $ 77