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Subsequent Events - Additional Information (Detail) - Subsequent Event
$ in Millions
May 07, 2018
USD ($)
Subsequent Event [Line Items]  
Special cash dividends $ 300
Special cash dividends payable, date to be paid May 11, 2018
Special cash dividends payable, date of record May 07, 2018
Spotify Technology S.A.  
Subsequent Event [Line Items]  
Sale of common shares, consideration received $ 400
Pre-tax gain, net $ 300