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Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2022
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Number of Locomotives and Payments under Long-term Maintenance Program
The following table summarizes the number of locomotives covered and CSXT’s payments, including prepayments, under the long-term maintenance program.
 Years Ended
(Dollars in Millions)202220212020
Amounts Paid$128 $99 $158 
Number of Locomotives1,871 1,863 1,874 
Schedule of Annual Payments under Long-term Maintenance Program Total annual payments under all of these purchase commitments are also estimated in the table below.
(Dollars in Millions)Locomotive Maintenance & Rebuild PaymentsOther
Commitments		Total
2023$220 $110 $330 
2024308 39 347 
2025328 40 368 
2026241 15 256 
2027329 17 346 
Thereafter1,519 68 1,587 
Total$2,945 $289 $3,234