Long-Term Debt Debt Securities that are Not Reported at Fair Value (Tables)

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Long-Term Debt Debt Securities that are Not Reported at Fair Value (Tables)	12 Months Ended
	Dec. 31, 2013
Debt Disclosure [Abstract]
Debt Securities That Are Not Reported At Fair Value Text Block	Fair Value of Debt The fair value, based on quoted market prices of the same instruments but not considered to be active markets (Level 2), of SIRIUS XM's publicly traded debt securities is as follows (amounts in millions):   December 31, 2013 SIRIUS XM 5.875% Senior Notes due 2020 $ 667 SIRIUS XM 5.75% Senior Notes due 2021 $ 608 SIRIUS XM 7% Exchangeable Senior Subordinated Notes due 2014 $ 961 SIRIUS XM 5.25% Senior Notes due 2022 $ 407 SIRIUS XM 4.25% Senior Notes due 2020 $ 474 SIRIUS XM 4.625% Senior Notes due 2023 $ 451 Due to the variable rate nature of the Credit Facility, margin loans and other debt, the Company believes that the carrying amount approximates fair value at December 31, 2013.