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Guarantor Financial Information (Details)
$ in Millions
Mar. 31, 2016
USD ($)
Nov. 30, 2015
USD ($)
Feb. 24, 2015
USD ($)
Dec. 12, 2013
USD ($)
Sep. 11, 2013
USD ($)
Condensed Financial Statements, Captions [Line Items]          
Ratio of total indebtedness to adjusted EBITDA 2.5        
Maximum funding limit   $ 4,300      
Non-Guarantor Subsidiaries [Member]          
Condensed Financial Statements, Captions [Line Items]          
Other Additional Capital $ 1,500        
Sprint Communications Inc. Guaranteed Notes due 2021 [Member] | Senior Notes [Member]          
Condensed Financial Statements, Captions [Line Items]          
Debt instrument, face amount     $ 1,500   $ 2,250
Debt instrument, interest rate, stated percentage     7.625%   7.25%
Sprint Corporation 7.875% [Member] | Senior Notes [Member]          
Condensed Financial Statements, Captions [Line Items]          
Debt instrument, face amount         $ 4,250
Debt instrument, interest rate, stated percentage         7.875%
Sprint Corporation 7.125% [Member] [Member] | Senior Notes [Member]          
Condensed Financial Statements, Captions [Line Items]          
Debt instrument, face amount       $ 2,500  
Debt instrument, interest rate, stated percentage       7.125%