Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2026

Segment Reporting [Abstract]

Schedule of Cost and Expense


			Third Quarter												First Nine Months
			2026						2025						2026						2025
			($ in millions)

Railway operating revenues (Note 3)			$	3,526					$	3,103					$	9,989					$	9,206

Railway operating expenses
Compensation and benefits			753						738						2,237						2,169
Purchased services			433						414						1,286						1,224
Equipment rents			113						105						332						313
Fuel			420						237						1,081						700
Depreciation			363						348						1,073						1,040
Materials			111						104						318						302
Claims			87						75						209						200
Other			26						(32)						98						45
Merger-related expenses			42						15						145						15
Restructuring and other charges			—						12						6						22
Eastern Ohio incident			28						(11)						53						(243)

Total railway operating expenses			2,376						2,005						6,838						5,787

Income from railway operations			1,150						1,098						3,151						3,419

Other income – net			30						23						97						78
Interest expense on debt			193						197						587						597

Income before income taxes			987						924						2,661						2,900

Income taxes			228						213						621						671

Net income			$	759					$	711					$	2,040					$	2,229