Annual report pursuant to Section 13 and 15(d)

Debt - Fair Value of Debt (Details)

v3.6.0.2
Debt - Fair Value of Debt (Details) - USD ($)
$ in Millions
Dec. 31, 2016
Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-term Debt, Fair Value $ 1,546 $ 995
Sirius XM 5.75% Senior Notes due 2021    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-term Debt, Fair Value 627  
Sirius XM 5.25% Senior Secured Notes due 2022    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-term Debt, Fair Value 419  
Sirius XM 4.25% Senior Notes due 2020    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-term Debt, Fair Value 508  
Sirius XM 4.625% Senior Notes due 2023    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-term Debt, Fair Value 496  
Sirius XM 6.00% Senior Notes Due 2024    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-term Debt, Fair Value 1,574  
Sirius XM 5.375% Senior Notes Due 2025    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-term Debt, Fair Value 1,001  
Sirius XM 5.375% Senior Notes due 2026    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-term Debt, Fair Value $ 979