v3.25.2
Operating Assets and Facilities
 6 Months Ended
Jun. 30, 2025
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):

June 30
2025		December 31
2024
Railcars and locomotives$13,349.8 $12,702.9 
Aircraft spare engines1,030.4 1,030.4 
Tank containers278.6 241.4 
Buildings, leasehold improvements, and other equipment278.4 265.3 
Other116.0 90.6 
$15,053.2 $14,330.6 
Less: allowance for depreciation(4,125.8)(3,880.9)
Net operating assets and facilities$10,927.4 $10,449.7 

Total depreciation expense was $111.9 million and $220.3 million for the three and six months ended June 30, 2025 and $103.0 million and $203.5 million for the three and six months ended June 30, 2024.