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Restructuring and Impairment - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Restructuring Cost and Reserve [Line Items]        
Restructuring charges $ 17us-gaap_RestructuringCharges $ 24us-gaap_RestructuringCharges $ 21us-gaap_RestructuringCharges $ 51us-gaap_RestructuringCharges
Impairment charges   12us-gaap_AssetImpairmentCharges 0us-gaap_AssetImpairmentCharges 12us-gaap_AssetImpairmentCharges
Other Current Liabilities [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring liabilities, current 19us-gaap_RestructuringReserveCurrent
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherCurrentLiabilitiesMember
  19us-gaap_RestructuringReserveCurrent
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherCurrentLiabilitiesMember
 
Other Non-Current Liabilities [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring liabilities, non-current 10us-gaap_RestructuringReserveNoncurrent
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherNoncurrentLiabilitiesMember
  10us-gaap_RestructuringReserveNoncurrent
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherNoncurrentLiabilitiesMember
 
Newspaper Businesses [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges $ 14us-gaap_RestructuringCharges
/ us-gaap_StatementBusinessSegmentsAxis
= nws_NewspaperBusinessesMember
$ 21us-gaap_RestructuringCharges
/ us-gaap_StatementBusinessSegmentsAxis
= nws_NewspaperBusinessesMember
$ 18us-gaap_RestructuringCharges
/ us-gaap_StatementBusinessSegmentsAxis
= nws_NewspaperBusinessesMember
$ 44us-gaap_RestructuringCharges
/ us-gaap_StatementBusinessSegmentsAxis
= nws_NewspaperBusinessesMember