Segment Reporting and Significant Expenses (Tables)

9 Months Ended

Sep. 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 September 30, 2025, and September 30, 2024.

	Third Quarters
	2025				2024
(Dollars in Millions)	Rail		Reconciliation to Consolidated		Rail		Reconciliation to Consolidated
Revenue (a)	$	3,380			$	3,405
Reconciliation of Revenue
Trucking Revenue (a)			215				216
Elimination of intersegment revenues			(8)				(2)
Total Consolidated Revenue			$	3,587			$	3,619
Expense (b)
Labor and Fringe	$	758			$	756
Purchased Services and Other	624				556
Depreciation and Amortization	408				401
Fuel
Locomotive	237				229
Non-Locomotive	23				26
Equipment and Other Rents	80				86
Gain on Property Disposition	(6)				0
Segment Operating Income	$	1,256			$	1,351
Reconciliation of Operating Income
Trucking Expenses (b)			384				213
Elimination of intersegment expenses			(8)				(2)
Total Consolidated Operating Income			$	1,087			$	1,354

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 nine months ended September 30, 2025, and September 30, 2024.

	Nine Months
	2025				2024
(Dollars in Millions)	Rail		Reconciliation to Consolidated		Rail		Reconciliation to Consolidated
Revenue (a)	$	9,964			$	10,351
Reconciliation of Revenue
Trucking Revenue (a)			641				655
Elimination of intersegment revenues			(21)				(5)
Total Consolidated Revenue			$	10,584			$	11,001
Expense (b)
Labor and Fringe	$	2,268			$	2,235
Purchased Services and Other	1,893				1,735
Depreciation and Amortization	1,228				1,191
Fuel
Locomotive	688				754
Non-Locomotive	75				78
Equipment and Other Rents	252				245
Gain on Property Disposition	(11)				(10)
Segment Operating Income	$	3,571			$	4,123
Reconciliation of Operating Income
Trucking Expenses (b)			801				639
Elimination of intersegment expenses			(21)				(5)
Total Consolidated Operating Income			$	3,411			$	4,139

(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. Trucking expenses for the three and nine months ended September 30, 2025, include a $164 million impairment charge of Quality Carrier's goodwill. See additional information in Note 12, Goodwill and Other Intangible Assets.

Schedule of Reconciliation of Segment Operating Income

Reconciliation of Segment Operating Income to Consolidated Earnings Before Income Taxes

	Third Quarters				Nine Months
(Dollars in Millions)	2025		2024		2025		2024
Segment Operating Income	$	1,256	$	1,351	$	3,571	$	4,123
Trucking Revenue and Eliminations	207		214		620		650
Trucking Expenses and Eliminations	(376)		(211)		(780)		(634)
Total Consolidated Operating Income	1,087		1,354		3,411		4,139
Interest Expense	(210)		(206)		(631)		(625)
Other Income - Net	21		36		69		105
Earnings Before Income Taxes	$	898	$	1,184	$	2,849	$	3,619