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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2024

Accounting Policies [Abstract]

Schedule of Cost and Expense

			2024						2023						2022
			($ in millions)
Railway operating revenues (Note 2)			$	12,123					$	12,156					$	12,745
Railway operating expenses
Compensation and benefits			2,823						2,819						2,621
Purchased services			1,655						1,683						1,565
Equipment rents			393						387						357
Fuel			987						1,170						1,459
Depreciation			1,353						1,298						1,221
Materials			369						364						283
Claims			237						242						270
Other (Note 8)			(273)						226						160
Restructuring and other charges (Note 3)			183						—						—
Eastern Ohio incident (Note 18)			325						1,116						—
Total railway operating expenses			8,052						9,305						7,936
Income from railway operations			4,071						2,851						4,809
Other income – net (Note 4)			65						191						13
Interest expense on debt			807						722						692
Income before income taxes			3,329						2,320						4,130
Income taxes (Note 5)			707						493						860
Net income			$	2,622					$	1,827					$	3,270

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