v3.26.1
Notes and Other Debt, Net - Schedule of Notes and Other Debt (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Feb. 04, 2026
Jan. 30, 2026
Dec. 31, 2025
Feb. 03, 2025
Apr. 20, 2021
Debt Instrument [Line Items]            
Principal $ 10,683.1     $ 9,540.5    
Unamortized premium (discount) and deferred financing costs (36.5)     (1.1)    
Less current portion of notes and other debt (10.0)     (10.0)    
Notes and other debt, net 10,636.6     9,529.4    
Uniti Credit Agreement            
Debt Instrument [Line Items]            
Principal 997.5     1,815.0    
Unamortized premium (discount) and deferred financing costs (25.5)     (25.3)    
Uniti senior secured revolving credit facility, variable rate, due December 30, 2027            
Debt Instrument [Line Items]            
Principal 0.0     0.0    
Unamortized premium (discount) and deferred financing costs (2.5)     (2.9)    
Windstream senior secured revolving credit facility - variable rate, due December 30, 2027            
Debt Instrument [Line Items]            
Principal 0.0     315.0    
Unamortized premium (discount) and deferred financing costs 0.0     0.0    
Senior secured Windstream term loan - variable rate, due October 1, 2031 (premium based on imputed interest rate of 9.15%)            
Debt Instrument [Line Items]            
Principal 0.0     500.0    
Unamortized premium (discount) and deferred financing costs $ 0.0     1.2    
Effective interest rate 9.15%          
Senior secured 2025 term loan - variable rate, due October 6, 2032 (discount based on imputed interest rate of 8.57%)            
Debt Instrument [Line Items]            
Principal $ 997.5     1,000.0    
Unamortized premium (discount) and deferred financing costs $ (23.0)     (23.6)    
Effective interest rate 8.57%          
Senior Secured And Unsecured Notes            
Debt Instrument [Line Items]            
Principal $ 7,886.5     6,886.5    
Unamortized premium (discount) and deferred financing costs 25.4     41.1    
Senior secured notes - 4.75%, due April 15, 2028 (discount based on imputed interest rate of 5.04%)            
Debt Instrument [Line Items]            
Principal 570.0     570.0   $ 570.0
Unamortized premium (discount) and deferred financing costs $ (3.2)     (3.6)    
Issuance senior notes, stated percentage 4.75%          
Effective interest rate 5.04%          
Senior secured notes - 8.25%, due October 1, 2031 (premium based on imputed interest rate of 7.287%)            
Debt Instrument [Line Items]            
Principal $ 2,200.0     2,200.0    
Unamortized premium (discount) and deferred financing costs $ 95.8     99.3    
Issuance senior notes, stated percentage 8.25%          
Effective interest rate 7.287%          
Senior secured notes - 7.50%, due October 15, 2033 (discount based on imputed interest rate of 7.72%)            
Debt Instrument [Line Items]            
Principal $ 1,400.0     1,400.0    
Unamortized premium (discount) and deferred financing costs $ (17.3)     (17.8)    
Issuance senior notes, stated percentage 7.50%          
Effective interest rate 7.72%          
Senior unsecured notes - 6.50%, due February 15, 2029 (discount based on imputed interest rate of 6.83%)            
Debt Instrument [Line Items]            
Principal $ 1,110.0     1,110.0    
Unamortized premium (discount) and deferred financing costs $ (9.5)     (10.3)    
Issuance senior notes, stated percentage 6.50%          
Effective interest rate 6.83%          
Senior unsecured notes - 6.00% due January 15, 2030 (discount based on imputed interest rate of 6.27%)            
Debt Instrument [Line Items]            
Principal $ 700.0     700.0    
Unamortized premium (discount) and deferred financing costs $ (6.2)     (6.6)    
Issuance senior notes, stated percentage 6.00%          
Effective interest rate 6.27%          
Senior unsecured notes - 8.625% due June 15, 2032 (discount based on imputed interest rate of 9.03%)            
Debt Instrument [Line Items]            
Principal $ 1,600.0     600.0    
Unamortized premium (discount) and deferred financing costs $ (30.4)     (15.6)    
Issuance senior notes, stated percentage 8.625% 8.625%        
Effective interest rate 9.03%          
Convertible senior notes - 7.50%, due December 1, 2027 (discount based on imputed interest rate of 8.29%)            
Debt Instrument [Line Items]            
Principal $ 306.5     306.5    
Unamortized premium (discount) and deferred financing costs $ (3.8)     (4.3)    
Issuance senior notes, stated percentage 7.50%          
Effective interest rate 8.29%          
ABS Credit Agreement            
Debt Instrument [Line Items]            
Principal $ 1,799.1     839.0    
Unamortized premium (discount) and deferred financing costs (36.4)     (16.9)    
ABS Notes (Class A-2) - 5.877%, due April 1, 2030 (discount based on imputed interest rate of 6.36%)            
Debt Instrument [Line Items]            
Principal 426.0     426.0 $ 426.0  
Unamortized premium (discount) and deferred financing costs $ (7.2)     (7.6)    
Issuance senior notes, stated percentage 5.877%          
Effective interest rate 6.36%          
ABS Notes (Class B) - 6.369%, due April 1, 2030 (discount based on imputed interest rate of 6.86%)            
Debt Instrument [Line Items]            
Principal $ 65.0     65.0 65.0  
Unamortized premium (discount) and deferred financing costs $ (1.1)     (1.2)    
Issuance senior notes, stated percentage 6.369%          
Effective interest rate 6.86%          
ABS Notes (Class C) - 9.018%, due April 1, 2030 (discount based on imputed interest rate of 9.54%)            
Debt Instrument [Line Items]            
Principal $ 98.0     98.0 $ 98.0  
Unamortized premium (discount) and deferred financing costs $ (1.7)     (1.8)    
Issuance senior notes, stated percentage 9.018%          
Effective interest rate 9.54%          
ABS-2 Notes (Class A-2) - 5.177%, due January 20, 2031 (discount based on imputed interest rate of 5.76%)            
Debt Instrument [Line Items]            
Principal $ 180.0     180.0    
Unamortized premium (discount) and deferred financing costs $ (4.4)     (4.5)    
Issuance senior notes, stated percentage 5.177%          
Effective interest rate 5.76%          
ABS-2 Notes (Class B) - 5.621%, due January 20, 2031 (discount based on imputed interest rate of 6.21%)            
Debt Instrument [Line Items]            
Principal $ 28.2     28.2    
Unamortized premium (discount) and deferred financing costs $ (0.7)     (0.7)    
Issuance senior notes, stated percentage 5.621%          
Effective interest rate 6.21%          
ABS-2 Notes (Class C) - 7.834%, due January 20, 2031 (discount based on imputed interest rate of 8.45%)            
Debt Instrument [Line Items]            
Principal $ 41.8     41.8    
Unamortized premium (discount) and deferred financing costs $ (1.0)     (1.1)    
Issuance senior notes, stated percentage 7.834%          
Effective interest rate 8.45%          
Kinetic ABS Notes (Class A-2) - 5.219%, due February 1, 2031 (discount based on imputed interest rate of 5.720%)            
Debt Instrument [Line Items]            
Principal $ 677.7   $ 677.7 0.0    
Unamortized premium (discount) and deferred financing costs $ (14.3)     0.0    
Issuance senior notes, stated percentage 5.219%          
Effective interest rate 5.72%          
Kinetic ABS Notes (Class B) - 5.561%, due February 1, 2031 (discount based on imputed interest rate of 6.066%)            
Debt Instrument [Line Items]            
Principal $ 113.0   $ 113.0 0.0    
Unamortized premium (discount) and deferred financing costs $ (2.4)     0.0    
Issuance senior notes, stated percentage     5.561%      
Effective interest rate 6.066%          
Kinetic ABS Notes (Class C) - 7.653%, due February 1, 2031 (discount based on imputed interest rate of 8.184%)            
Debt Instrument [Line Items]            
Principal $ 169.4     0.0    
Unamortized premium (discount) and deferred financing costs $ (3.6)     $ 0.0    
Effective interest rate 8.184%          
Convertible Senior Notes 2027, Excluding Over-Allotment Option            
Debt Instrument [Line Items]            
Principal $ 306.5          
ABS Notes            
Debt Instrument [Line Items]            
Principal $ 839.0