CONSOLIDATED BALANCE SHEETS - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Current Assets:
Cash and Cash Equivalents	$ 1,958,000,000	$ 2,239,000,000
Short-term Investments	129,000,000	77,000,000
Accounts Receivable - Net (Note 11)	1,313,000,000	1,148,000,000
Materials and Supplies	341,000,000	339,000,000
Other Current Assets	108,000,000	70,000,000
Total Current Assets	3,849,000,000	3,873,000,000
Properties	48,105,000,000	46,505,000,000
Accumulated Depreciation	(13,863,000,000)	(13,490,000,000)
Properties - Net (Note 6)	34,242,000,000	33,015,000,000
Investment in Affiliates and Other Companies (Note 15)	2,292,000,000	2,099,000,000
Right of Use Lease Asset (Note 7)	505,000,000	501,000,000
Goodwill and Other Intangible Assets - Net (Note 18)	502,000,000	451,000,000
Other Long-term Assets	522,000,000	592,000,000
Total Assets	41,912,000,000	40,531,000,000
Current Liabilities:
Accounts Payable	1,130,000,000	963,000,000
Labor and Fringe Benefits Payable	707,000,000	630,000,000
Casualty, Environmental and Other Reserves (Note 5)	144,000,000	118,000,000
Current Maturities of Long-term Debt (Note 10)	151,000,000	181,000,000
Income and Other Taxes Payable	111,000,000	134,000,000
Other Current Liabilities	228,000,000	207,000,000
Total Current Liabilities	2,471,000,000	2,233,000,000
Casualty, Environmental and Other Reserves (Note 5)	292,000,000	250,000,000
Long-term Debt (Note 10)	17,896,000,000	16,185,000,000
Deferred Income Taxes - Net (Note 12)	7,569,000,000	7,383,000,000
Long-term Lease Liability (Note 7)	488,000,000	478,000,000
Other Long-term Liabilities	571,000,000	502,000,000
Total Liabilities	29,287,000,000	27,031,000,000
Shareholders' Equity:
Common Stock, $1 Par Value (Note 3)	2,066,000,000	2,202,000,000
Other Capital	574,000,000	66,000,000
Retained Earnings	10,363,000,000	11,630,000,000
Accumulated Other Comprehensive Loss (Note 16)	(388,000,000)	(408,000,000)
Non-controlling Minority Interest	10,000,000	10,000,000
Total Shareholders' Equity	12,625,000,000	13,500,000,000
Total Liabilities and Shareholders' Equity	$ 41,912,000,000	$ 40,531,000,000