v3.26.1
Segment Data - Summary of Disaggregation of Revenue (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Disaggregation Of Revenue [Line Items]        
Total net revenue $ 1,993 $ 1,229 $ 3,389 $ 2,462
Eliminations [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue [1] (20) (15) (38) (28)
Reportable Broadcast Segment [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 1,236 1,150 2,459 2,319
Reportable TEGNA Segment [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 697   803  
Other Segments [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 79 92 163 166
Corporate (Unallocated) [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 1 2 2 5
Distribution [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 1,116 733 1,954 1,495
Distribution [Member] | Eliminations [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue [1] (19) (13) (37) (25)
Distribution [Member] | Reportable Broadcast Segment [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 739 718 1,505 1,465
Distribution [Member] | Reportable TEGNA Segment [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 362   416  
Distribution [Member] | Other Segments [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 34 28 70 55
Advertising [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 862 475 1,409 934
Advertising [Member] | Reportable Broadcast Segment [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 488 423 937 834
Advertising [Member] | Reportable TEGNA Segment [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 331   382  
Advertising [Member] | Other Segments [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 43 52 90 100
Other [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 15 21 26 33
Other [Member] | Eliminations [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue [1] (1) (2) (1) (3)
Other [Member] | Reportable Broadcast Segment [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 9 9 17 20
Other [Member] | Reportable TEGNA Segment [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 4   5  
Other [Member] | Other Segments [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue 2 12 3 11
Other [Member] | Corporate (Unallocated) [Member] | Operating Segments [Member]        
Disaggregation Of Revenue [Line Items]        
Total net revenue $ 1 $ 2 $ 2 $ 5
[1] The elimination of distribution revenue represents intersegment revenue generated by Other segments for services provided to the Broadcast segment.