Consolidated Statements of Shareholders’ Equity (Deficit) - USD ($) shares in Millions, $ in Millions	Total	New Uniti Preferred Stock	Old Uniti Preferred Stock	New Uniti Common Stock	Warrants	Preferred Stock New Uniti Preferred Stock	Preferred Stock Old Uniti Preferred Stock	Common Stock	Common Stock New Uniti Common Stock	Additional Paid-in Capital	Additional Paid-in Capital New Uniti Preferred Stock	Additional Paid-in Capital New Uniti Common Stock	Additional Paid-in Capital Warrants	Accumulated Other Comprehensive Loss	Distributions in Excess of Accumulated Earnings	Noncontrolling Interests
Beginning balance (in shares) at Dec. 31, 2022							0.0
Beginning balance at Dec. 31, 2022	$ (2,271.2)						$ 0.0	$ 0.0		$ 1,210.0				$ 0.0	$ (3,483.6)	$ 2.4
Beginning balance (in shares) at Dec. 31, 2022								142.2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(81.7)														(81.7)
Other comprehensive loss	0.0
Common stock dividends declared	(142.9)														(142.9)
Distributions to noncontrolling interest	(0.1)															(0.1)
Payments related to tax withholding for stock-based compensation	(1.4)									(1.4)
Stock-based compensation (in shares)								0.3
Stock-based compensation	12.5									12.5
Issuance of common stock - employee stock purchase plan (in shares)								0.1
Issuance of common stock - employee stock purchase plan	0.7									0.7
Ending balance (in shares) at Dec. 31, 2023							0.0
Ending balance at Dec. 31, 2023	(2,484.1)						$ 0.0	$ 0.0		1,221.8				0.0	(3,708.2)	2.3
Ending balance (in shares) at Dec. 31, 2023								142.6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	93.4														93.4
Other comprehensive loss	(0.6)													(0.6)
Common stock dividends declared	(73.0)														(73.0)
Exchange of noncontrolling interest (in shares)								0.1
Exchange of noncontrolling interest	(0.2)									1.6						(1.8)
Payments related to tax withholding for stock-based compensation	(1.6)									(1.6)
Stock-based compensation (in shares)								0.4
Stock-based compensation	13.5									13.5
Issuance of common stock - employee stock purchase plan (in shares)								0.1
Issuance of common stock - employee stock purchase plan	0.7									0.7
Ending balance (in shares) at Dec. 31, 2024			0.0				0.0
Ending balance at Dec. 31, 2024	$ (2,451.9)						$ 0.0	$ 0.0		1,236.0				(0.6)	(3,687.8)	0.5
Ending balance (in shares) at Dec. 31, 2024	143.2							143.2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	$ 1,304.7														1,304.7
Other comprehensive loss	(1.3)													(1.3)
Exchange of noncontrolling interest	(0.1)									0.2						(0.3)
Issuance of stock in the Merger (in shares)						0.6			90.1
Issuance of stock in the Merger		$ 630.4		$ 733.7	$ 142.7						$ 630.4	$ 733.7	$ 142.7
Preferred stock dividend	0.0									25.3					(25.3)
Payments related to tax withholding for stock-based compensation	(2.3)									(2.3)
Stock-based compensation (in shares)								0.6
Stock-based compensation	23.5									23.5
Issuance of common stock - employee stock purchase plan (in shares)								0.1
Issuance of common stock - employee stock purchase plan	0.6									0.6
Other, net	0.4														0.5	(0.1)
Ending balance (in shares) at Dec. 31, 2025		0.6				0.6	0.0
Ending balance at Dec. 31, 2025	$ 380.4					$ 0.0	$ 0.0	$ 0.0		$ 2,790.1				$ (1.9)	$ (2,407.9)	$ 0.1
Ending balance (in shares) at Dec. 31, 2025	234.0							234.0