v2.4.0.8
Document and Entity Information
3 Months Ended
Sep. 30, 2015
Oct. 30, 2015
Document And Entity Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Sep. 30, 2015  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q1  
Entity Registrant Name TWENTY-FIRST CENTURY FOX, INC.  
Entity Central Index Key 0001308161  
Current Fiscal Year End Date --06-30  
Entity Filer Category Large Accelerated Filer  
Class A Common Stock
   
Document And Entity Information [Line Items]    
Trading Symbol FOXA  
Entity Common Stock, Shares Outstanding   1,170,751,942
Class B Common Stock
   
Document And Entity Information [Line Items]    
Trading Symbol FOX  
Entity Common Stock, Shares Outstanding   798,520,953