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Investments - Additional Information (Detail) (Foxtel [Member], USD $)
In Millions, unless otherwise specified
 9 Months Ended
Mar. 31, 2015
Foxtel [Member]
  
Investment [Line Items]  
Decrease in revenues $ 126nws_EquityMethodInvestmentSummarizedFinancialInformationIncreaseDecreaseInRevenue
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= nws_FoxtelMember
Percentage of decrease in revenues 6.00%nws_EquityMethodInvestmentSummarizedFinancialInformationIncreaseDecreaseInRevenuePercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= nws_FoxtelMember