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Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2025

Segment Reporting [Abstract]

Schedule of Cost and Expense


			Third Quarter												First Nine Months
			2025						2024						2025						2024
			($ in millions)

Railway operating revenues (Note 3)			$	3,103					$	3,051					$	9,206					$	9,099

Railway operating expenses
Compensation and benefits			738						690						2,169						2,126
Purchased services			414						405						1,224						1,244
Equipment rents			105						92						313						297
Fuel			237						216						700						757
Depreciation			348						339						1,040						1,011
Materials			104						96						302						286
Claims			75						66						200						164
Other			(32)						(350)						45						(250)
Merger-related expenses			15						—						15						—
Restructuring and other charges			12						60						22						156
Eastern Ohio incident			(11)						(159)						(243)						368

Total railway operating expenses			2,005						1,455						5,787						6,159

Income from railway operations			1,098						1,596						3,419						2,940

Other income – net			23						34						78						69
Interest expense on debt			197						203						597						608

Income before income taxes			924						1,427						2,900						2,401

Income taxes			213						328						671						512

Net income			$	711					$	1,099					$	2,229					$	1,889