Quarterly report pursuant to Section 13 or 15(d)

Earnings per Share - Additional Information (Details)

v3.19.3
Earnings per Share - Additional Information (Details) - shares
3 Months Ended 9 Months Ended
Feb. 01, 2019
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Business Acquisition [Line Items]          
Participating securities (in shares)   0 0 0 0
Anti-dilutive common stock equivalents (in shares)   47,000,000 22,000,000 76,000,000 14,000,000
Common Stock | Pandora          
Business Acquisition [Line Items]          
Common stock issued (in shares) 392,000,000