Condensed Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Operating costs and expenses:
Selling, general and administrative, including stock-based compensation (note 8)	$ 8	$ 11	$ 31	$ 29
Operating income (loss)	(8)	(11)	(31)	(29)
Other income (expense):
Interest expense (including amortization of deferred loan fees)	(28)	(33)	(86)	(113)
Share of earnings (losses) of affiliate (note 5)	295	346	958	923
Gain (loss) on dilution of investment in affiliate (note 5)	(17)	(8)	(50)	(40)
Realized and unrealized gains (losses) on financial instruments, net (note 4)	18	(144)	57	(85)
Other, net	(5)	2	(3)	11
Earnings (loss) before income taxes	255	152	845	667
Income tax benefit (expense)		(32)		(144)
Net earnings (loss) from continuing operations	255	120	845	523
Net earnings (loss) from discontinuing operations	(409)	22	(348)	55
Net earnings (loss)	(154)	142	497	578
Net earnings (loss) attributable to Liberty Broadband shareholders	$ (154)	$ 142	$ 497	$ 578
Basic net earnings (loss) from continuing operations attributable to Series A, Series B and Series C Liberty Broadband shareholders per common share (note 3) (in Dollar per share)	$ 1.78	$ 0.84	$ 5.91	$ 3.66
Basic net earnings (loss) from discontinuing operations attributable to Series A, Series B and Series C Liberty Broadband shareholders per common share (note 3) (in Dollar per share)	(2.86)	0.15	(2.43)	0.38
Diluted net earnings (loss) from continuing operations attributable to Series A, Series B and Series C Liberty Broadband shareholders per common share (note 3) (in Dollar per share)	1.77	0.84	5.91	3.66
Diluted net earnings (loss) from discontinuing operations attributable to Series A, Series B and Series C Liberty Broadband shareholders per common share (note 3) (in Dollar per share)	$ (2.84)	$ 0.15	$ (2.43)	$ 0.38