Liberty Broadband Corporation Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Debt (Margin Loan) (Details)

v3.10.0.1

Debt (Margin Loan) (Details) - USD ($)				3 Months Ended	12 Months Ended
Debt (Margin Loan) (Details) - USD ($)	Oct. 05, 2018	Mar. 09, 2018	Dec. 29, 2017	Dec. 31, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Line of Credit Facility [Line Items]
Distributions to Qurate Retail		$ (1,300,000,000)			$ 1,122,272,000	$ 146,680,000	$ 272,195,000
Repayments of credit facility					254,033,000	$ 0	$ 0
Revolving Credit Facility
Line of Credit Facility [Line Items]
Repayments of credit facility				$ 100,000,000
Broadband Holdco, LLC \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Line of credit, outstanding balance	$ 200,000,000
Broadband Holdco, LLC \| Term Loan Facility
Line of Credit Facility [Line Items]
Line of credit, outstanding balance	$ 800,000,000
Broadband Holdco, LLC \| LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate (as a percent)	1.85%
Broadband Holdco, LLC \| Series C common stock
Line of Credit Facility [Line Items]
Number of shares pledged as collateral (in shares)	42,681,842		42,681,842
Amount of collateral pledged				$ 3,100,000,000	$ 3,100,000,000
Broadband Holdco, LLC \| Margin Loan
Line of Credit Facility [Line Items]
Line of credit availability			$ 1,000,000,000
Term of debt			2 years
Undrawn commitment fee (as a percent)			1.00%
Broadband Holdco, LLC \| Margin Loan \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Line of credit availability	$ 200,000,000.0
Broadband Holdco, LLC \| Margin Loan \| LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate (as a percent)			1.85%
Qurate Retail
Line of Credit Facility [Line Items]
Distributions to Qurate Retail			$ 1,100,000,000

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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