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Debt and Other Obligations (Textuals) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2017
Dec. 31, 2019
Dec. 31, 2018
Debt Instrument [Line Items]            
Principal amount $ 1,250,000 $ 1,950,000 $ 2,400,000      
Debt and Lease Obligation $ 21,729,000 20,629,000        
Maximum Upward Adjustment - Commitment Fee            
Debt Instrument [Line Items]            
Debt Instrument, Interest Rate, Stated Percentage 0.01%          
Tower Revenue Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Interest Rate, Increase (Decrease) 5.00%          
2018 Tower Revenue Notes 4.241% due 2048 [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount $ 750,000          
Secured Debt [Member]            
Debt Instrument [Line Items]            
Debt and Lease Obligation 1,736,000 2,982,000        
Secured Debt [Member] | 3.849% Secured Notes [Member]            
Debt Instrument [Line Items]            
Debt and Lease Obligation 0 998,000        
Secured Debt [Member] | July 2018 Tower Revenue Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount     1,000,000      
Secured Debt [Member] | 2018 Tower Revenue Notes 3.720% due 2043 [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount     $ 250,000      
Debt Instrument, Interest Rate, Stated Percentage     3.72%      
Debt and Lease Obligation $ 0 249,000        
Secured Debt [Member] | 2018 Tower Revenue Notes 4.241% due 2048 [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount     $ 750,000      
Debt Instrument, Interest Rate, Stated Percentage 4.20% [1]   4.241%      
Debt and Lease Obligation $ 745,000 744,000        
Secured Debt [Member] | 2018 Tower Revenue Notes Risk Retention Tranche [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount     $ 53,000      
Secured Debt [Member] | May 2015 Tower Revenue Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount       $ 1,000,000    
Secured Debt [Member] | 2015 Tower Revenue Notes 3.222% due 2042 [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount       300,000    
Debt Instrument, Interest Rate, Stated Percentage     3.222%      
Bank Debt [Member] | 2016 Term Loan A [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount           $ 2,000,000
Debt Instrument, Interest Rate, Stated Percentage [1],[2] 5.50%          
Debt and Lease Obligation $ 1,192,000 $ 1,222,000        
Bank Debt [Member] | Senior Unsecured 364-Day Revolving Credit Facility [Domain]            
Debt Instrument [Line Items]            
Line of Credit Facility, Maximum Borrowing Capacity           1,000,000
Line of Credit Facility [Line Items]            
Line of Credit Facility, Maximum Borrowing Capacity           1,000,000
Bank Debt [Member] | 2016 Revolver [Member]            
Debt Instrument [Line Items]            
Principal amount       500,000    
Debt Instrument, Interest Rate, Stated Percentage [1],[2] 5.50%          
Bonds [Member] | May 2016 Senior Unsecured Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount       1,000,000    
Bonds [Member] | 4.875% Senior Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Interest Rate, Stated Percentage   4.875%        
Bonds [Member] | 4.000% Senior Unsecured Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount           $ 500,000
Debt Instrument, Interest Rate, Stated Percentage 4.00% [1]         4.00%
Debt and Lease Obligation $ 497,000 $ 496,000        
Bonds [Member] | 2016 Senior Unsecured Notes [Domain]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount       1,500,000    
Bonds [Member] | 3.400% Senior Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount       $ 250,000    
Debt Instrument, Interest Rate, Stated Percentage       3.40%    
Bonds [Member] | 3.700% Senior Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount       $ 750,000    
Debt Instrument, Interest Rate, Stated Percentage       3.70%    
Bonds [Member] | 2.250% Senior Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Interest Rate, Stated Percentage   2.25%        
Bonds [Member] | 4.450% Senior Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount       $ 900,000    
Debt Instrument, Interest Rate, Stated Percentage       4.45%    
Bonds [Member] | 4.750% Senior Unsecured Notes [Member] [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount           $ 350,000
Debt Instrument, Interest Rate, Stated Percentage 4.80% [1]         4.75%
Debt and Lease Obligation $ 344,000 $ 344,000        
Bonds [Member] | August 2017 Senior Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount           $ 1,750,000
Bonds [Member] | August 2017 Senior Unsecured 3.200% Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount           $ 750,000
Debt Instrument, Interest Rate, Stated Percentage 3.20% [1]         3.20%
Debt and Lease Obligation $ 748,000 747,000        
Bonds [Member] | August 2017 Senior Unsecured 3.650% Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount           $ 1,000,000
Debt Instrument, Interest Rate, Stated Percentage 3.70% [1]         3.65%
Debt and Lease Obligation $ 996,000 995,000        
Bonds [Member] | 3.150% Senior Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount         $ 750,000  
Debt Instrument, Interest Rate, Stated Percentage 3.20% [1]       3.15%  
Debt and Lease Obligation $ 749,000 747,000        
Bonds [Member] | 3.800% Senior Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount         $ 1,000,000  
Debt Instrument, Interest Rate, Stated Percentage 3.80% [1]       3.80%  
Debt and Lease Obligation $ 993,000 992,000        
Bonds [Member] | August 2019 Senior Notes [Domain]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount     $ 900,000      
Bonds [Member] | August 2019 Senior Unsecured 3.100% Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount     $ 550,000      
Debt Instrument, Interest Rate, Stated Percentage 3.10% [1]   3.10%      
Debt and Lease Obligation $ 545,000 545,000        
Bonds [Member] | August 2019 Senior Unsecured 4.000% Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount     $ 350,000      
Debt Instrument, Interest Rate, Stated Percentage 4.00% [1]   4.00%      
Debt and Lease Obligation $ 346,000 345,000        
Bonds [Member] | February 2019 Senior Notes [Domain]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount     $ 1,000,000      
Bonds [Member] | February 2019 Senior Unsecured 4.300% Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount     $ 600,000      
Debt Instrument, Interest Rate, Stated Percentage 4.30% [1]   4.30%      
Debt and Lease Obligation $ 594,000 593,000        
Bonds [Member] | February 2019 Senior Unsecured 5.200% Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount     $ 400,000      
Debt Instrument, Interest Rate, Stated Percentage 5.20% [1]   5.20%      
Debt and Lease Obligation $ 396,000 395,000        
Bonds [Member] | June 2020 Senior Notes [Domain]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount   2,500,000        
Bonds [Member] | June 2020 Senior Unsecured 1.350% Notes [Domain]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount   $ 500,000        
Debt Instrument, Interest Rate, Stated Percentage 1.40% [1] 1.35%        
Debt and Lease Obligation $ 497,000 $ 496,000        
Bonds [Member] | June 2020 Senior Unsecured 2.250% Notes [Domain]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount   $ 1,100,000        
Debt Instrument, Interest Rate, Stated Percentage 2.30% [1] 2.25%        
Debt and Lease Obligation $ 1,090,000 $ 1,089,000        
Bonds [Member] | June 2020 Senior Unsecured 3.250% Notes [Domain]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount   $ 900,000        
Debt Instrument, Interest Rate, Stated Percentage 3.30% [1] 3.25%        
Debt and Lease Obligation $ 890,000 $ 890,000        
Bonds [Member] | Senior Unsecured 2016 Notes 3.40% [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Interest Rate, Stated Percentage   3.40%        
Bonds [Member] | April 2020 Senior Unsecured 4.150% Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount   $ 500,000        
Debt Instrument, Interest Rate, Stated Percentage 4.20% [1] 4.15%        
Debt and Lease Obligation $ 490,000 $ 490,000        
Bonds [Member] | April 2020 Senior Notes [Domain] [Domain]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount   1,250,000        
Bonds [Member] | 5.250% Senior Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Interest Rate, Stated Percentage 5.25%          
2015 Tower Revenue Notes 3.222% due 2042 [Member]            
Debt Instrument [Line Items]            
Principal amount $ 0          
Collateral Pledged [Member]            
Debt Instrument [Line Items]            
Debt Instrument, PPE Collaterized Amount 813,000          
Additional Principal Incurred [Member] | Bank Debt [Member] | 2016 Term Loan A [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount         $ 500,000  
February 2016 Senior Note Upsizing [Member] | Bonds [Member] | 3.400% Senior Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Face Amount       $ 600,000    
Debt Instrument, Interest Rate, Stated Percentage       3.40%    
Commercial Paper [Member]            
Debt Instrument [Line Items]            
Line of Credit Facility, Maximum Borrowing Capacity 2,000,000 1,000,000        
Commercial Paper 1,200,000          
Debt and Lease Obligation 1,241,000 265,000        
Line of Credit Facility [Line Items]            
Line of Credit Facility, Maximum Borrowing Capacity 2,000,000 1,000,000        
Revolving Credit Facility [Member]            
Debt Instrument [Line Items]            
Line of Credit Facility, Maximum Borrowing Capacity 7,000,000 5,000,000 $ 4,250,000   3,500,000 $ 2,500,000
Debt and Lease Obligation 1,305,000 [3] 665,000        
Line of Credit Facility [Line Items]            
Line of Credit Facility, Maximum Borrowing Capacity $ 7,000,000 $ 5,000,000 $ 4,250,000   $ 3,500,000 $ 2,500,000
[1] Represents the weighted-average stated interest rate.
[2] The Company's finance leases and other obligations relate to land, fiber, vehicles, and other assets and bear interest rates ranging up to 10% and mature in periods ranging from less than one year to approximately 25 years.
[3] As of December 31, 2022, the undrawn availability under the senior unsecured revolving credit facility ("2016 Revolver") was $5.7 billion.