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Quarterly report pursuant to Section 13 or 15(d)

Investments In Affiliates Accounted For Using The Equity Method - Sirius XM Canada (Details)

v3.8.0.1
Investments In Affiliates Accounted For Using The Equity Method - Sirius XM Canada (Details)
shares in Millions, $ in Millions, $ in Millions
3 Months Ended 12 Months Ended
Feb. 28, 2018
USD ($)
May 25, 2017
CAD ($)
Mar. 31, 2018
USD ($)
shares
Mar. 31, 2017
USD ($)
Dec. 31, 2017
USD ($)
shares
Jan. 01, 2018
USD ($)
May 25, 2017
USD ($)
Schedule of Equity Method Investments [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Deferred revenue Ìý Ìý $ 2,463 Ìý $ 1,941 $ 1,899 Ìý
Repayments of debt Ìý Ìý 1,154 $ 1,154 Ìý Ìý Ìý
SIRIUS XM Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Schedule of Equity Method Investments [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Due to Related Parties, Current Ìý Ìý 4 Ìý Ìý Ìý Ìý
Due to Related Parties, Noncurrent Ìý Ìý 7 Ìý Ìý Ìý Ìý
Due from Related Parties, Current Ìý Ìý 13 Ìý Ìý Ìý Ìý
Cash Dividends Paid to Parent Company $ 35 Ìý Ìý Ìý Ìý Ìý Ìý
SIRIUS XM | Sirius XM Canada Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Schedule of Equity Method Investments [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Revenue from Related Parties Ìý Ìý $ 24 12 Ìý Ìý Ìý
Percentage ownership Ìý 70.00% Ìý Ìý Ìý Ìý 70.00%
Equity Method Investment Voting Interest Ìý 33.00% Ìý Ìý Ìý Ìý Ìý
Payments to Acquire Equity Method Investments Ìý Ìý Ìý Ìý 130 Ìý Ìý
Equity method investment consideration transferred Ìý Ìý Ìý Ìý $ 309 Ìý Ìý
Issuance of common stock related to investment in Sirius XM Canada (in shares) | shares Ìý Ìý Ìý Ìý 35 Ìý Ìý
Equity method investment, consideration transferred, equity interests issued and issuable Ìý Ìý Ìý Ìý $ 179 Ìý Ìý
Equity Method Investment, Number of Preferred Shares Owned | shares Ìý Ìý 591 Ìý Ìý Ìý Ìý
SIRIUS XM | Sirius XM Canada | Services Agreement Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Schedule of Equity Method Investments [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Related Party Transaction, Period Of Agreement Ìý 30 years Ìý Ìý Ìý Ìý Ìý
SIRIUS XM | Sirius XM Canada | Services Agreement, Years 1 through 5 Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Schedule of Equity Method Investments [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Related Party Transaction, Payments Receivable, Percent of Gross Revenue Ìý 25.00% Ìý Ìý Ìý Ìý Ìý
SIRIUS XM | Sirius XM Canada | Services Agreement, Years 6 through 30 Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Schedule of Equity Method Investments [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Related Party Transaction, Payments Receivable, Percent of Gross Revenue Ìý 30.00% Ìý Ìý Ìý Ìý Ìý
SIRIUS XM | Sirius XM Canada | Advisory Services Agreement Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Schedule of Equity Method Investments [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Related Party Transaction, Period Of Agreement Ìý 30 years Ìý Ìý Ìý Ìý Ìý
Related Party Transaction, Payments Receivable, Percent of Gross Revenue Ìý 5.00% Ìý Ìý Ìý Ìý Ìý
SIRIUS XM | Sirius XM Canada | Related Party 7.62% Loan Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Schedule of Equity Method Investments [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Notes Receivable, Related Parties, Noncurrent Ìý Ìý Ìý Ìý Ìý Ìý $ 131
Notes receivable, related parties, maturity period Ìý 15 years Ìý Ìý Ìý Ìý Ìý
Related Party Transaction, Rate Ìý 7.62% Ìý Ìý Ìý Ìý Ìý
Notes Receivable, Related Parties, Annual Principal Repayment Period Ìý 60 days Ìý Ìý Ìý Ìý Ìý
Notes Receivable, Related Parties, Annual Prepayment Excess Cash Threshold Ìý $ 10 Ìý Ìý Ìý Ìý Ìý
Sirius XM Canada Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Schedule of Equity Method Investments [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Cash Dividends Paid to Parent Company Ìý Ìý $ 1 $ 4 Ìý Ìý Ìý
Sirius XM Canada | Related Party 7.62% Loan Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Schedule of Equity Method Investments [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Repayments of debt Ìý Ìý $ 3 Ìý Ìý Ìý Ìý