Share-based Compensation (Schedule of Stock Award Activity, SARs & PSARs) (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($) $ / shares shares
SARs \| Class A
Number of awards
Outstanding at beginning of period (in shares) \| shares	34,684,640
Forfeited (in shares) \| shares	(2,158,325)
Exercised (in shares) \| shares	(749,640)
Outstanding at ending of period (in shares) \| shares	31,776,675
Number of awards, exercisable (in shares) \| shares	26,955,382
Weighted average base price
Outstanding at beginning of period (in dollars per share) \| $ / shares	$ 14.15
Forfeited (in dollars per shares) \| $ / shares	21.15
Exercised (in dollars per shares) \| $ / shares	9.77
Outstanding at end of period (in dollars per share) \| $ / shares	13.78
Exercisable at end of period (in dollars per share) \| $ / shares	$ 14.47
Weighted average remaining contractual term
Outstanding at end of period	4 years 7 months 6 days
Exercisable at end of period	4 years
Aggregate intrinsic value
Outstanding at end of period \| $	$ 16.2
Exercisable at end of period \| $	$ 10.3
SARs \| Class C
Number of awards
Outstanding at beginning of period (in shares) \| shares	75,630,289
Forfeited (in shares) \| shares	(4,036,375)
Exercised (in shares) \| shares	(868,049)
Outstanding at ending of period (in shares) \| shares	70,725,865
Number of awards, exercisable (in shares) \| shares	62,474,003
Weighted average base price
Outstanding at beginning of period (in dollars per share) \| $ / shares	$ 14.40
Forfeited (in dollars per shares) \| $ / shares	21.43
Exercised (in dollars per shares) \| $ / shares	9.93
Outstanding at end of period (in dollars per share) \| $ / shares	14.05
Exercisable at end of period (in dollars per share) \| $ / shares	$ 14.51
Weighted average remaining contractual term
Outstanding at end of period	4 years 7 months 6 days
Exercisable at end of period	4 years 2 months 12 days
Aggregate intrinsic value
Outstanding at end of period \| $	$ 20.8
Exercisable at end of period \| $	$ 16.5
PSARs \| Class A
Number of awards
Outstanding at beginning of period (in shares) \| shares	4,969,045
Forfeited (in shares) \| shares	(117,260)
Outstanding at ending of period (in shares) \| shares	4,851,785
Number of awards, exercisable (in shares) \| shares	4,851,785
Weighted average base price
Outstanding at beginning of period (in dollars per share) \| $ / shares	$ 15.00
Forfeited (in dollars per shares) \| $ / shares	15.00
Outstanding at end of period (in dollars per share) \| $ / shares	15.00
Exercisable at end of period (in dollars per share) \| $ / shares	$ 15.00
Weighted average remaining contractual term
Outstanding at end of period	3 years
Exercisable at end of period	3 years
Aggregate intrinsic value
Outstanding at end of period \| $	$ 0.0
Exercisable at end of period \| $	$ 0.0
PSARs \| Class C
Number of awards
Outstanding at beginning of period (in shares) \| shares	9,674,673
Forfeited (in shares) \| shares	(231,033)
Outstanding at ending of period (in shares) \| shares	9,443,640
Number of awards, exercisable (in shares) \| shares	9,443,640
Weighted average base price
Outstanding at beginning of period (in dollars per share) \| $ / shares	$ 14.70
Forfeited (in dollars per shares) \| $ / shares	14.70
Outstanding at end of period (in dollars per share) \| $ / shares	14.70
Exercisable at end of period (in dollars per share) \| $ / shares	$ 14.70
Weighted average remaining contractual term
Outstanding at end of period	3 years
Exercisable at end of period	3 years
Aggregate intrinsic value
Outstanding at end of period \| $	$ 0.0
Exercisable at end of period \| $	$ 0.0

Liberty Global Ltd. 10-K