Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Recent Adopted Accounting Policies (Details)

v3.22.1
Summary of Significant Accounting Policies - Recent Adopted Accounting Policies (Details) - USD ($)
$ in Millions
Mar. 31, 2022
Jan. 01, 2022
Dec. 31, 2021
Mar. 31, 2021
Dec. 31, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Stockholders’ (deficit) equity $ (3,587)   $ (2,625) $ (2,603) $ (2,285)
Cumulative Effect, Adjustment          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Stockholders’ (deficit) equity   $ (14)      
Accumulated Deficit          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Stockholders’ (deficit) equity (3,612)   (2,636) $ (2,614) $ (2,285)
Accumulated Deficit | Cumulative Effect, Adjustment          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Stockholders’ (deficit) equity   (14)      
1.75% Senior Notes Due 2023 | Senior Notes          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Carrying value $ 193   $ 177    
Stated interest rate (as a percent) 1.75%        
1.75% Senior Notes Due 2023 | Senior Notes | Pandora          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Stated interest rate (as a percent) 1.75%        
1.75% Senior Notes Due 2023 | Senior Notes | Cumulative Effect, Adjustment          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Carrying value   $ 14