CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Current Assets:
Cash and Cash Equivalents	$ 670	$ 933
Short-term Investments	5	72
Accounts Receivable - Net (Note 11)	1,298	1,326
Materials and Supplies	390	414
Other Current Assets	187	75
Total Current Assets	2,550	2,820
Properties	53,816	52,191
Accumulated Depreciation	(17,005)	(16,533)
Properties - Net (Note 6)	36,811	35,658
Investment in Affiliates and Other Companies (Note 15)	2,634	2,520
Right of Use Lease Asset (Note 7)	464	487
Goodwill and Other Intangible Assets - Net (Note 18)	267	433
Other Long-term Assets	956	846
Total Assets	43,682	42,764
Current Liabilities:
Accounts Payable	1,149	1,118
Labor and Fringe Benefits Payable	532	480
Casualty, Environmental and Other Reserves (Note 5)	184	149
Current Maturities of Long-term Debt (Note 10)	708	606
Income and Other Taxes Payable	118	508
Interest Payable	170	172
Other Current Liabilities	272	243
Total Current Liabilities	3,133	3,276
Casualty, Environmental and Other Reserves (Note 5)	295	313
Long-term Debt (Note 10)	18,165	17,897
Deferred Income Taxes - Net (Note 12)	7,914	7,725
Long-term Lease Liability (Note 7)	479	486
Other Long-term Liabilities	536	560
Total Liabilities	30,522	30,257
Shareholders' Equity:
Common Stock, $1 Par Value (Note 3)	1,860	1,900
Other Capital	948	846
Retained Earnings	10,560	9,988
Accumulated Other Comprehensive Loss (Note 16)	(213)	(232)
Non-controlling Minority Interest	5	5
Total Shareholders' Equity	13,160	12,507
Total Liabilities and Shareholders' Equity	$ 43,682	$ 42,764