Liberty Broadband Corporation Annual report [Section 13 and 15(d), not S-K Item 405]

Annual report [Section 13 and 15(d), not S-K Item 405]

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

Assets and Liabilities Measured at Fair Value (Details)

v3.25.0.1

Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Jul. 02, 2024	Mar. 31, 2023	Feb. 28, 2023
1.75% Exchangeable senior debentures due 2046
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Interest rate (as a percent)						1.75%
3.125% Exchangeable senior debentures due 2053
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Interest rate (as a percent)	3.125%			3.125%	3.125%	3.125%
Recognition of previously unrecognized gains	$ 9
3.125% Exchangeable senior debentures due 2054
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Interest rate (as a percent)	3.125%			3.125%
Exchangeable senior debentures
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Change in fair value	$ 27	$ 55	$ (7)
Exchangeable senior debentures \| Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Cumulative change	$ 82
Exchangeable senior debentures \| 1.75% Exchangeable senior debentures due 2046 \| Indemnification obligation \| LI LLC
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Interest rate (as a percent)	1.75%	1.75%	1.75%

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