Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2026

Segment Reporting [Abstract]

Schedule of Cost and Expense


			First Quarter
			2026						2025
			($ in millions)

Railway operating revenues (Note 3)			$	2,998					$	2,993

Railway operating expenses
Compensation and benefits			740						739
Purchased services			418						401
Equipment rents			104						97
Fuel			256						244
Depreciation			352						346
Materials			94						100
Claims			53						66
Other			42						39
Merger-related expenses			52						—

Eastern Ohio incident			10						(185)

Total railway operating expenses			2,121						1,847

Income from railway operations			877						1,146

Other income – net			35						31
Interest expense on debt			197						199

Income before income taxes			715						978

Income taxes			168						228

Net income			$	547					$	750