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Commitments and Contingencies - 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
Jun. 30, 2014
Loss Contingencies [Line Items]          
Net impact on Selling, general and administrative expenses $ 686us-gaap_SellingGeneralAndAdministrativeExpense $ 637us-gaap_SellingGeneralAndAdministrativeExpense $ 1,352us-gaap_SellingGeneralAndAdministrativeExpense $ 1,273us-gaap_SellingGeneralAndAdministrativeExpense  
21st Century Fox [Member]          
Loss Contingencies [Line Items]          
Due from related party 55us-gaap_DueFromRelatedPartiesCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= nws_TwentyFirstCenturyFoxMember
  55us-gaap_DueFromRelatedPartiesCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= nws_TwentyFirstCenturyFoxMember
  66us-gaap_DueFromRelatedPartiesCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= nws_TwentyFirstCenturyFoxMember
U.K. Newspaper Matters Indemnification [Member]          
Loss Contingencies [Line Items]          
Indemnification from 21st Century Fox 10nws_RecoveryRelatedToLossContingency
/ us-gaap_RelatedPartyTransactionAxis
= nws_UnitedKingdomNewspaperMattersIndemnificationMember
32nws_RecoveryRelatedToLossContingency
/ us-gaap_RelatedPartyTransactionAxis
= nws_UnitedKingdomNewspaperMattersIndemnificationMember
24nws_RecoveryRelatedToLossContingency
/ us-gaap_RelatedPartyTransactionAxis
= nws_UnitedKingdomNewspaperMattersIndemnificationMember
55nws_RecoveryRelatedToLossContingency
/ us-gaap_RelatedPartyTransactionAxis
= nws_UnitedKingdomNewspaperMattersIndemnificationMember
 
U.K. Newspaper Matters Indemnification [Member] | 21st Century Fox [Member]          
Loss Contingencies [Line Items]          
Due from related party 55us-gaap_DueFromRelatedPartiesCurrent
/ us-gaap_RelatedPartyTransactionAxis
= nws_UnitedKingdomNewspaperMattersIndemnificationMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= nws_TwentyFirstCenturyFoxMember
  55us-gaap_DueFromRelatedPartiesCurrent
/ us-gaap_RelatedPartyTransactionAxis
= nws_UnitedKingdomNewspaperMattersIndemnificationMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= nws_TwentyFirstCenturyFoxMember
  66us-gaap_DueFromRelatedPartiesCurrent
/ us-gaap_RelatedPartyTransactionAxis
= nws_UnitedKingdomNewspaperMattersIndemnificationMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= nws_TwentyFirstCenturyFoxMember
U.K. Newspaper Matters [Member]          
Loss Contingencies [Line Items]          
Gross legal and professional fees related to the U.K. Newspaper Matters 23us-gaap_LossContingencyLossInPeriod
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= nws_UnitedKingdomNewspaperMattersMember
51us-gaap_LossContingencyLossInPeriod
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= nws_UnitedKingdomNewspaperMattersMember
51us-gaap_LossContingencyLossInPeriod
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= nws_UnitedKingdomNewspaperMattersMember
91us-gaap_LossContingencyLossInPeriod
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= nws_UnitedKingdomNewspaperMattersMember
 
Net impact on Selling, general and administrative expenses 13us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= nws_UnitedKingdomNewspaperMattersMember
19us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= nws_UnitedKingdomNewspaperMattersMember
27us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= nws_UnitedKingdomNewspaperMattersMember
36us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= nws_UnitedKingdomNewspaperMattersMember
 
Litigation liability accrued $ 112us-gaap_LossContingencyEstimateOfPossibleLoss
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= nws_UnitedKingdomNewspaperMattersMember
  $ 112us-gaap_LossContingencyEstimateOfPossibleLoss
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= nws_UnitedKingdomNewspaperMattersMember