v3.26.1
Leases - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Mar. 19, 2026
Dec. 31, 2025
Lessee Lease Description [Line Items]            
Recognized ROU assets $ 323   $ 323     $ 265
Current operating lease liabilities 54   54     41
Noncurrent operating lease liabilities 287   287     $ 242
Operating lease expense 19 $ 15 34 $ 31    
Operating cash flows from operating leases     31 30    
TEGNA Inc. [Member]            
Lessee Lease Description [Line Items]            
Recognized ROU assets         $ 70  
Current operating lease liabilities         11  
Noncurrent operating lease liabilities         $ 56  
Location, Statement of Income, Balance [Axis]: us-gaap:DirectOperatingCosts            
Lessee Lease Description [Line Items]            
Operating lease expense 8 6 15 14    
Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense            
Lessee Lease Description [Line Items]            
Operating lease expense $ 11 $ 9 $ 19 $ 17    
Minimum [Member]            
Lessee Lease Description [Line Items]            
Leases remaining lease term 1 month   1 month      
Leases option to extended lease term     two years      
Maximum [Member]            
Lessee Lease Description [Line Items]            
Leases remaining lease term 88 years   88 years      
Leases option to extended lease term     99 years      
Leases option to terminate term     1 year