v3.25.2
Revenue from Contracts with Customers Disaggregation of Revenue (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Disaggregation of Revenue [Line Items]        
Revenues $ 5,742 $ 5,739 $ 11,435 $ 11,399
Total freight revenues 5,595 5,594 11,126 11,121
Total other revenues 147 145 309 278
Consumer Products        
Disaggregation of Revenue [Line Items]        
Revenues 1,972 2,122 4,005 4,092
Agricultural and Energy Products        
Disaggregation of Revenue [Line Items]        
Revenues 1,617 1,563 3,182 3,115
Industrial Products        
Disaggregation of Revenue [Line Items]        
Revenues 1,290 1,301 2,489 2,541
Coal        
Disaggregation of Revenue [Line Items]        
Revenues 716 608 1,450 1,373
Non-rail logistics subsidiary        
Disaggregation of Revenue [Line Items]        
Revenues 16 22 34 38
Accessorial and other        
Disaggregation of Revenue [Line Items]        
Revenues $ 131 $ 123 $ 275 $ 240