Document and Entity Information (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Jun. 30, 2014	Feb. 23, 2015
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	FY
Trading Symbol	GSAT
Entity Registrant Name	Globalstar, Inc.
Entity Central Index Key	0001366868
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Public Float		$ 1,471.5
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Voting Common Stock
Entity Common Stock, Shares Outstanding			869,414,107
Nonvoting Common Stock
Entity Common Stock, Shares Outstanding			134,008,656