Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Rent Expense Associated with Operating Leases

Rent expense on operating leases is included in equipment and other rents on the consolidated income statements. The Company uses the straight-line method to recognize rent expense on operating leases that include escalations over their terms. These amounts are shown in the table below.

	Fiscal Years
(Dollars in Millions)	2017		2016		2015
Rent Expense on Operating Leases (a)	$	78	$	77	$	86

(a) Prior year data has been reclassified to conform to the current presentation.

Schedule of Minimum Rentals and Commitments under Operating Leases

At December 2017, minimum rentals on land, buildings, track and equipment under operating leases are disclosed in the table below. Also, payments to Conrail for leases on shared rail infrastructure are included in these amounts. (See Note 12, Related Party Transactions).

(Dollars in Millions)	Operating		Sublease			Net Lease
Years	Leases		Income			Commitments
2018	$	68	$	(3	)	$	65
2019	64		(3		)	61
2020	50		(3		)	47
2021	45		(3		)	42
2022	41		(3		)	38
Thereafter	128		(6		)	122
Total	$	396	$	(21	)	$	375

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 under the long-term maintenance program.

	Fiscal Years
(Dollars in Millions)	2017		2016		2015
Amounts Paid	$	197	$	230	$	233
Number of Locomotives	2,062		2,243		2,310

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 Payments		Other Commitments		Total
2018	$	171	$	119	$	290
2019	162		67		229
2020	218		35		253
2021	223		35		258
2022	225		33		258
Thereafter	2,716		213		2,929
Total	$	3,715	$	502	$	4,217