v3.26.3
Segment Data - Summary of Disaggregation of Revenue (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Disaggregation Of Revenue [Line Items]        
Total net revenue $ 2,133 $ 1,198 $ 5,522 $ 3,660
Eliminations [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue [1] (19) (16) (56) (44)
Reportable Broadcast Segment [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 1,305 1,131 3,764 3,450
Reportable TEGNA Segment [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 765   1,568  
Other Segments [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 81 80 242 247
Corporate (Unallocated) [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 1 3 4 7
Distribution [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 1,091 709 3,044 2,204
Distribution [Member] | Eliminations [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue [1] (18) (14) (55) (40)
Distribution [Member] | Reportable Broadcast Segment [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 723 694 2,227 2,159
Distribution [Member] | Reportable TEGNA Segment [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 352   768  
Distribution [Member] | Other Segments [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 34 29 104 85
Advertising [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 1,023 476 2,433 1,410
Advertising [Member] | Reportable Broadcast Segment [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 573 427 1,511 1,261
Advertising [Member] | Reportable TEGNA Segment [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 405   787  
Advertising [Member] | Other Segments [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 45 49 135 149
Other [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 19 13 45 46
Other [Member] | Eliminations [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue [1] (1) (2) (1) (4)
Other [Member] | Reportable Broadcast Segment [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 9 10 26 30
Other [Member] | Reportable TEGNA Segment [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 8   13  
Other [Member] | Other Segments [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 2 2 3 13
Other [Member] | Corporate (Unallocated) [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue $ 1 $ 3 $ 4 $ 7
[1] The elimination of distribution revenue represents intersegment revenue generated by Other segments for services provided to the Broadcast segment.