Consolidated Statements of Income - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Statement [Abstract]
Railway operating revenues	$ 12,123	$ 12,156	$ 12,745
Railway operating expenses
Compensation and benefits	2,823	2,819	2,621
Purchased services and rents	2,048	2,070	1,922
Fuel	987	1,170	1,459
Depreciation	1,353	1,298	1,221
Materials and other	333	832	713
Restructuring and other charges	183	0	0
Eastern Ohio incident	325	1,116	0
Total railway operating expenses	8,052	9,305	7,936
Income from railway operations	4,071	2,851	4,809
Other income – net	65	191	13
Interest expense on debt	807	722	692
Income before income taxes	3,329	2,320	4,130
Income taxes	707	493	860
Net income	$ 2,622	$ 1,827	$ 3,270
Earnings per share
Basic (in dollars per share)	$ 11.58	$ 8.04	$ 13.92
Diluted (in dollars per share)	$ 11.57	$ 8.02	$ 13.88

Materials And Other Expense (Income)

No definition available.

Name:	nsc_MaterialsAndOtherExpenseIncome
Namespace Prefix:	nsc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of expense for contract services provided to the Company and rent paid for freight cars owned by other railroads or private companies net of rents received, including lease expenses, primarily for locomotives, railcars, containers, and trailers.

+ References

No definition available.