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

Acquisition - Additional Acquisition Information (Details)

v3.22.0.1

Acquisition - Additional Acquisition Information (Details) - USD ($) $ in Millions		12 Months Ended
	Dec. 18, 2020	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Intangible assets subject to amortization			$ 639
Increase to goodwill		$ 16
GCI Liberty Inc
Business Acquisition [Line Items]
Intangible assets subject to amortization	$ 639
Acquired goodwill deductible for income tax purposes	$ 134
Net earnings (loss) from continuing operations			$ 28
GCI Liberty Inc \| Customer relationships
Business Acquisition [Line Items]
Useful life	14 years
GCI Liberty Inc \| Right-to-use
Business Acquisition [Line Items]
Useful life	12 years

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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