v3.26.1
Operating Assets and Facilities
 3 Months Ended
Mar. 31, 2026
Property, Plant and Equipment [Abstract]  
Operating Assets and Facilities Operating Assets and Facilities
The following table shows the components of our operating assets and facilities (in millions):

March 31
2026		December 31
2025
Railcars and locomotives$17,880.1 $13,802.1 
Aircraft spare engines1,177.7 1,177.5 
Tank containers277.3 278.0 
Buildings, leasehold improvements, and other equipment322.8 318.5 
Other123.0 86.5 
$19,780.9 $15,662.6 
Less: allowance for depreciation(4,328.3)(4,251.7)
Net operating assets and facilities$15,452.6 $11,410.9 

Total depreciation expense was $174.6 million for the three months ended March 31, 2026 and $108.4 million for the three months ended March 31, 2025.