Sirius XM Holdings Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details)

Subsequent Events (Details) (USD $)		1 Months Ended			1 Months Ended
Subsequent Events (Details) (USD $)	Jan. 17, 2013 Liberty Media [Member] Subsequent Event [Member]	Jan. 31, 2013 Common Stock [Member] Liberty Media [Member] Subsequent Event [Member]	Jan. 17, 2013 Common Stock [Member] Liberty Media [Member] Subsequent Event [Member]	Jan. 15, 2013 Common Stock [Member] Liberty Media [Member] Subsequent Event [Member]	Dec. 31, 2012 7% Exchangeable Senior Subordinated Notes due 2014 [Member]	Aug. 31, 2008 7% Exchangeable Senior Subordinated Notes due 2014 [Member]	Jan. 31, 2013 7% Exchangeable Senior Subordinated Notes due 2014 [Member] Subsequent Event [Member]	Jan. 17, 2013 7% Exchangeable Senior Subordinated Notes due 2014 [Member] Subsequent Event [Member]
Subsequent Event [Line Items]
Sale of additional common stock				50,000,000
Converted shares		1,293,509,076
Amount of shares owned by related party			3,292,800,311
Related party ownership percentage	50.21%
Repurchase agreement, purchase price in cash to principal note amount ratio								1
Conversion ratio					543.1372	533.3333	581.3112
Conversion price per share (in dollars per share)					$ 1.841	$ 1.875

- Definition

The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References + Details

- Definition

The ratio applied to the debt for purposes of determining the number of shares of the equity security into which the debt will be converted.

+ References + Details