CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Current Assets:
Cash and Cash Equivalents	$ 612	$ 933
Short-term Investments (Note 9)	6	72
Accounts Receivable - Net (Note 8)	1,370	1,326
Materials and Supplies	414	414
Other Current Assets	109	75
Total Current Assets	2,511	2,820
Properties	53,864	52,191
Accumulated Depreciation	(17,330)	(16,533)
Properties - Net	36,534	35,658
Investment in Affiliates and Other Companies	2,598	2,520
Right-of-Use Lease Asset	470	487
Goodwill and Other Intangible Assets - Net (Note 12)	270	433
Other Long-term Assets	896	846
Total Assets	43,279	42,764
Current Liabilities:
Accounts Payable	1,344	1,290
Labor and Fringe Benefits Payable	439	480
Casualty, Environmental and Other Reserves (Note 4)	159	149
Current Maturities of Long-term Debt (Note 7)	608	606
Income and Other Taxes Payable	164	508
Other Current Liabilities	252	243
Total Current Liabilities	2,966	3,276
Casualty, Environmental and Other Reserves (Note 4)	311	313
Long-term Debt (Note 7)	18,554	17,897
Deferred Income Taxes - Net	7,709	7,725
Long-term Lease Liability	481	486
Other Long-term Liabilities	500	560
Total Liabilities	30,521	30,257
Shareholders' Equity:
Common Stock, $1 Par Value	1,862	1,900
Other Capital	920	846
Retained Earnings	10,191	9,988
Accumulated Other Comprehensive Loss (Note 10)	(220)	(232)
Non-controlling Minority Interest	5	5
Total Shareholders' Equity	12,758	12,507
Total Liabilities and Shareholders' Equity	$ 43,279	$ 42,764