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Investments - Schedule of Summarized Financial Information (Parenthetical) (Detail) (Foxtel [Member], USD $)
In Millions, unless otherwise specified
 9 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Foxtel [Member]
    
Schedule of Equity Method Investments [Line Items]    
Depreciation and amortization $ 243nws_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= nws_FoxtelMember		 $ 263nws_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= nws_FoxtelMember
Operating income before depreciation and amortization $ 586nws_EquityMethodInvestmentSummarizedFinancialInformationOperatingIncomeLossBeforeDepreciationAndAmortization
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= nws_FoxtelMember		 $ 655nws_EquityMethodInvestmentSummarizedFinancialInformationOperatingIncomeLossBeforeDepreciationAndAmortization
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= nws_FoxtelMember