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Restructuring and Impairment - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2015
Mar. 31, 2014
Restructuring Cost and Reserve [Line Items]        
Restructuring charges $ 10us-gaap_RestructuringCharges $ 10us-gaap_RestructuringCharges $ 31us-gaap_RestructuringCharges $ 61us-gaap_RestructuringCharges
Impairment charges     0us-gaap_AssetImpairmentCharges 12us-gaap_AssetImpairmentCharges
Other Current Liabilities [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring liabilities, current 18us-gaap_RestructuringReserveCurrent
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherCurrentLiabilitiesMember
  18us-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
 
News and Information Services Segment [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges $ 8us-gaap_RestructuringCharges
/ us-gaap_StatementBusinessSegmentsAxis
= nws_NewsAndInformationServicesSegmentMember
$ 6us-gaap_RestructuringCharges
/ us-gaap_StatementBusinessSegmentsAxis
= nws_NewsAndInformationServicesSegmentMember
$ 26us-gaap_RestructuringCharges
/ us-gaap_StatementBusinessSegmentsAxis
= nws_NewsAndInformationServicesSegmentMember
$ 50us-gaap_RestructuringCharges
/ us-gaap_StatementBusinessSegmentsAxis
= nws_NewsAndInformationServicesSegmentMember