v3.26.1
Investment in Master Trust (Tables)
 12 Months Ended
Dec. 31, 2025
EBP 003  
EBP, Master Trust [Line Items]  
Schedule of Financial Information of Master Trust Summarized financial information of the Master Trust is presented below:
December 31, 2025Plan'sDecember 31, 2024Plan's
(Dollars in Thousands)InterestInterest
Assets
Accrued income$319 $197 $296 $183 
Due from brokers for securities sold— — 31 19 
Investments, at fair value:
CSX Common Stock884,518 297,865 852,648 290,752 
Mutual funds (a)
281,508 152,014 252,656 138,961 
Common Collective Trusts (a)
1,355,365 710,658 1,191,312 636,137 
Other Common Stock (a)
401,197 252,604 377,315 240,469 
Total investments, at fair value2,922,588 1,413,141 2,673,931 1,306,319 
Stable value fund, at contract value:309,923 198,350 331,455 212,132 
Total Assets$3,232,830 $1,611,688 $3,005,713 $1,518,653 
Liabilities
Due to brokers for securities purchased$— $— $26 $18 
Total Liabilities$— $— $26 $18 
Total Master Trust Net Assets$3,232,830 $1,611,688 $3,005,687 $1,518,635 
Plan’s Percentage of Investment in the Master Trust’s Net Assets50 %51 %
    (a) In the prior year financial statements, certain investments were previously listed as Mutual Funds and Other Common Stock. Upon further analysis, these investments better fit into the description of Common Collective Trusts. In 2025, the Plan revised its classification. To be consistent with the current year presentation, the 2024 presentation has been adjusted accordingly as the adjustments were deemed not material.
Investment gain for the Master Trust for 2024 was as follows:
(Dollars in Thousands)
Net increase in the fair value of investments:$371,875 
Interest, dividend, and other income30,121 
Total investment gain for the Master Trust$401,996 
Plan's investment gain in the Master Trust$198,190 
Plan's percentage of investment gain from the Master Trust49%