v3.26.1
Interest in Master Trust for Norfolk Southern Corporation Common Stock - Schedule of Master Trust Net Assets (Details) - EBP 001 - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
EBP, Master Trust [Line Items]    
Total investments at fair value $ 1,693,997 $ 1,538,120
Net assets 1,708,474 1,552,808
Master Trust    
EBP, Master Trust [Line Items]    
Total investments at fair value 562,243 490,751
Due from brokers for securities sold 35 159
Due to brokers for securities purchased (34) (48)
Net assets 562,244 490,862
Master Trust | NS stock    
EBP, Master Trust [Line Items]    
Total investments at fair value 561,661 488,748
Master Trust | Money market fund    
EBP, Master Trust [Line Items]    
Total investments at fair value 582 2,003
Plan’s Interest    
EBP, Master Trust [Line Items]    
Total investments at fair value 307,956 275,126
Due from brokers for securities sold 19 89
Due to brokers for securities purchased (19) (27)
Net assets 307,956 275,188
Plan’s Interest | NS stock    
EBP, Master Trust [Line Items]    
Total investments at fair value 307,637 274,002
Plan’s Interest | Money market fund    
EBP, Master Trust [Line Items]    
Total investments at fair value $ 319 $ 1,124