Ratio Of Total Indebtedness To Adjusted EBITDA

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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The amount for notes payable (written promise to pay), due to related parties.

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Amount of additional paid-in capital (APIC) classified as other.

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Guarantor Financial Information (Details) $ in Millions	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Feb. 20, 2018 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
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Other Additional Capital	$ 31	$ 1,100
Notes Payable, Related Parties	$ 23,600
Sprint Communications Inc. Guaranteed Notes due 2021 [Member] \| Senior Notes [Member]
Condensed Financial Statements, Captions [Line Items]
Debt instrument face amount						$ 2,250
Debt Instrument, Interest Rate, Stated Percentage						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%
Sprint Corporation 7.625% [Member] \| Senior Notes [Member]
Condensed Financial Statements, Captions [Line Items]
Debt instrument face amount			$ 1,500	$ 1,500
Debt Instrument, Interest Rate, Stated Percentage				7.625%
Sprint Corporation [Member] \| Senior Notes [Member]
Condensed Financial Statements, Captions [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			7.625%