Commitments and Contingencies (Details 2) (USD $)	0 Months Ended		3 Months Ended		0 Months Ended	3 Months Ended
	Jul. 25, 2014 item	Jul. 08, 2014	Sep. 30, 2014	Mar. 31, 2012	Dec. 23, 2013	Mar. 31, 2015	Mar. 31, 2014 item
Lightsquared Harbinger Capital Partners LLC
Loss contingencies
Number of claims asserted by Jacksonville PFPF	5
Lightsquared Harbinger Capital Partners LLC | Mr. Ergen
Loss contingencies
Number of claims asserted by Jacksonville PFPF	3
Lightsquared Harbinger Capital Partners LLC | Director Defendants
Loss contingencies
Number of claims asserted by Jacksonville PFPF	1
Lightsquared Harbinger Capital Partners LLC | Minimum
Loss contingencies
Claim amount		$ 500,000,000
Personalized Media Communications Inc | Minimum
Loss contingencies
Claim amount			150,000,000	500,000,000
Personalized Media Communications Inc | Maximum
Loss contingencies
Claim amount			450,000,000	650,000,000
DISH Network L.L.C. | Do Not Call Litigation
Loss contingencies
Claim amount					270,000,000
Claim amount from state plaintiff						23,500,000,000
DISH Network L.L.C. | Do Not Call Litigation | Maximum
Loss contingencies
Claim amount from federal plaintiff						$ 900,000,000
LightSquared transaction shareholder derivative actions
Loss contingencies
Number of shareholders who filed lawsuits							5