v3.26.1
Revenue from Contracts with Customers 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]        
Revenues $ 6,577 $ 5,742 $ 12,547 $ 11,435
Total freight revenues 6,414 5,595 12,222 11,126
Consumer Products        
Disaggregation of Revenue [Line Items]        
Revenues 2,377 1,972 4,419 4,005
Agricultural and Energy Products        
Disaggregation of Revenue [Line Items]        
Revenues 1,907 1,617 3,704 3,182
Industrial Products        
Disaggregation of Revenue [Line Items]        
Revenues 1,408 1,290 2,635 2,489
Coal        
Disaggregation of Revenue [Line Items]        
Revenues 722 716 1,464 1,450
Other revenues        
Disaggregation of Revenue [Line Items]        
Revenues $ 163 $ 147 $ 325 $ 309