Quarterly report pursuant to Section 13 or 15(d)

Debt - Schedule of Long-term Debt Instruments (Details)

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Debt - Schedule of Long-term Debt Instruments (Details) - USD ($)
1 Months Ended 3 Months Ended
Mar. 18, 2019
Feb. 14, 2019
Mar. 31, 2019
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Feb. 01, 2019
Debt              
Finance leases       $ 1,000,000   $ 2,000,000  
Total debt       7,858,000,000   7,853,000,000  
Less: total current maturities       2,000,000   2,000,000  
Less: total deferred financing costs for Notes       9,000,000   9,000,000  
Total long-term debt       7,847,000,000   7,842,000,000  
Loss on extinguishment of debt       0 $ 1,000,000    
Proceeds from sale of capped call security     $ 3,000,000 0 $ 3,000,000    
Senior Secured Revolving Credit Facility              
Debt              
Principal amount       0      
Carrying value       $ 0   $ 0  
Credit facility, unused capacity, commitment fee percentage       0.25%      
Senior Notes | 1.75% Senior Notes Due 2020              
Debt              
Stated interest rate (as a percent)           1.75%  
Principal amount       $ 1,000,000      
Carrying value       1,000,000   $ 1,000,000  
Loss on extinguishment of debt       1,000,000      
Senior Notes | 3.875% Senior Notes Due 2022              
Debt              
Stated interest rate (as a percent)           3.875%  
Principal amount       1,000,000,000      
Carrying value       996,000,000   $ 995,000,000  
Senior Notes | 4.625% Senior Notes Due 2023              
Debt              
Stated interest rate (as a percent)           4.625%  
Principal amount       500,000,000      
Carrying value       $ 498,000,000   $ 498,000,000  
Senior Notes | 1.75% Senior Notes Due 2023              
Debt              
Stated interest rate (as a percent)       1.75%   1.75%  
Principal amount       $ 193,000,000      
Carrying value       165,000,000   $ 163,000,000  
Senior Notes | 4.625% Senior Notes Due 2024              
Debt              
Stated interest rate (as a percent)           4.625%  
Principal amount       1,500,000,000      
Carrying value       1,485,000,000   $ 1,485,000,000  
Senior Notes | 5.375% Senior Notes Due 2025              
Debt              
Stated interest rate (as a percent)           5.375%  
Principal amount       1,000,000,000      
Carrying value       994,000,000   $ 993,000,000  
Senior Notes | 5.375% Senior Notes Due 2026              
Debt              
Stated interest rate (as a percent)           5.375%  
Principal amount       1,000,000,000      
Carrying value       992,000,000   $ 992,000,000  
Senior Notes | 5.00% Senior Notes Due 2027              
Debt              
Stated interest rate (as a percent)           5.00%  
Principal amount       1,500,000,000      
Carrying value       1,489,000,000   $ 1,488,000,000  
Senior Notes | 5.500% Senior Notes Due 2029              
Debt              
Stated interest rate (as a percent)           5.50%  
Principal amount       1,250,000,000      
Carrying value       1,237,000,000   $ 1,236,000,000  
Line of Credit | Senior Secured Revolving Credit Facility              
Debt              
Line of credit facility       $ 1,750,000,000      
Pandora | Senior Notes | 1.75% Senior Notes Due 2020              
Debt              
Stated interest rate (as a percent)   1.75%   1.75%      
Short-term debt             $ 152,000,000
Debt instrument redemption price (as a percent of aggregate principal)   100.00%          
Pandora | Senior Notes | 1.75% Senior Notes Due 2023              
Debt              
Principal amount             $ 193,000,000
Pandora | Senior Notes | 1.75% Senior Notes Due 2020              
Debt              
Extinguishment of debt $ 151,000,000            
Pandora              
Debt              
Letters of credit outstanding       $ 1,000,000