Segment Reporting and Significant Expenses (Tables)

6 Months Ended

Jun. 30, 2025

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

The tables below present information about the Company's significant expenses and the required reportable segment reconciliations for the quarters ended June 30, 2025, and June 30, 2024.

	Second Quarters
	2025				2024
(Dollars in Millions)	Rail		Reconciliation to Consolidated		Rail		Reconciliation to Consolidated
Revenue (a)	$	3,363			$	3,480
Reconciliation of Revenue
Trucking Revenue (a)			219				223
Elimination of intersegment revenues			(8)				(2)
Total Consolidated Revenue			$	3,574			$	3,701
Expense (b)
Labor and Fringe	$	736			$	719
Purchased Services and Other	605				577
Depreciation and Amortization	410				396
Fuel
Locomotive	226				249
Non-Locomotive	23				27
Equipment and Other Rents	90				80
Gain on Property Disposition	(4)				(9)
Segment Operating Income	$	1,277			$	1,441
Reconciliation of Operating Income
Trucking Expenses (b)			213				216
Elimination of intersegment expenses			(8)				(2)
Total Consolidated Operating Income			$	1,283			$	1,448

NOTE 11. Segment Reporting and Significant Expenses, continued

The tables below present information about the Company's significant expenses and the required reportable segment reconciliations for the six months ended June 30, 2025, and June 30, 2024.

	Six Months
	2025				2024
(Dollars in Millions)	Rail		Reconciliation to Consolidated		Rail		Reconciliation to Consolidated
Revenue (a)	$	6,584			$	6,946
Reconciliation of Revenue
Trucking Revenue (a)			426				440
Elimination of intersegment revenues			(13)				(4)
Total Consolidated Revenue			$	6,997			$	7,382
Expense (b)
Labor and Fringe	$	1,510			$	1,478
Purchased Services and Other	1,269				1,178
Depreciation and Amortization	820				791
Fuel
Locomotive	451				525
Non-Locomotive	52				53
Equipment and Other Rents	172				159
Gain on Property Disposition	(5)				(10)
Segment Operating Income	$	2,315			$	2,772
Reconciliation of Operating Income
Trucking Expenses (b)			417				427
Elimination of intersegment expenses			(13)				(4)
Total Consolidated Operating Income			$	2,324			$	2,785

(a) Trucking revenue is comprised of revenue from Quality Carriers. Rail revenue represents revenue attributed to all CSX entities other than the trucking company, Quality Carriers.

(b) Trucking expenses include labor and fringe, purchased services and other, depreciation and amortization, fuel, equipment and other rents, and gains/losses on property dispositions from the operations of Quality Carriers. Rail expenses represent expenses attributable to all CSX entities other than the trucking company, Quality Carriers.

Schedule of Reconciliation of Segment Operating Income

Reconciliation of Segment Operating Income to Consolidated Earnings Before Income Taxes

	Second Quarters				Six Months
(Dollars in Millions)	2025		2024		2025		2024
Segment Operating Income	$	1,277	$	1,441	$	2,315	$	2,772
Trucking Revenue and Eliminations	211		221		413		436
Trucking Expenses and Eliminations	(205)		(214)		(404)		(423)
Total Consolidated Operating Income	1,283		1,448		2,324		2,785
Interest Expense	(212)		(209)		(421)		(419)
Other Income - Net	22		28		48		69
Earnings Before Income Taxes	$	1,093	$	1,267	$	1,951	$	2,435