Transition report pursuant to Rule 13a-10 or 15d-10

Document and Entity Information

v2.4.0.8
Document and Entity Information (USD $)
In Millions, except Share data, unless otherwise specified
11 Months Ended
Dec. 31, 2013
Feb. 06, 2014
Jul. 31, 2013
Document and Entity Information      
Entity Registrant Name Pandora Media, Inc.    
Entity Central Index Key 0001230276    
Document Type 10-K    
Document Period End Date Dec. 31, 2013    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 1,568
Entity Common Stock, Shares Outstanding   197,423,063  
Document Fiscal Year Focus 2013    
Document Fiscal Period Focus FY