Annual report pursuant to Section 13 and 15(d)

Earnings per Share (Details Textual)

v2.4.0.8
Earnings per Share (Details Textual)
12 Months Ended 0 Months Ended 1 Months Ended 0 Months Ended 1 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2013
Series B Preferred Stock [Member]
Dec. 31, 2012
Series B Preferred Stock [Member]
Jan. 18, 2013
Liberty Media [Member]
Series B Preferred Stock [Member]
Sep. 30, 2012
Liberty Media [Member]
Series B Preferred Stock [Member]
Jan. 18, 2013
Liberty Media [Member]
Common Stock [Member]
Jan. 31, 2013
Liberty Media [Member]
Common Stock [Member]
Sep. 30, 2012
Liberty Media [Member]
Common Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                    
Conversion of preferred stock to common stock (in shares)       6,250,100 6,249,900 6,250,100 6,249,900 1,293,509,076 1,293,509,076 1,293,467,684
Anti-dilutive common stock equivalents (in shares) 365,177,000 147,125,000 419,752,000