CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Current Assets:
Cash and Cash Equivalents	$ 1,936	$ 2,239
Short-term Investments	96	77
Accounts Receivable - Net (Note 8)	1,277	1,148
Materials and Supplies	351	339
Other Current Assets	97	70
Total Current Assets	3,757	3,873
Properties	46,597	46,505
Accumulated Depreciation	(13,613)	(13,490)
Properties - Net	32,984	33,015
Investment in Affiliates and Other Companies	2,143	2,099
Right-of-Use Lease Asset	496	501
Goodwill and Other Intangible Assets - Net	453	451
Other Long-term Assets	619	592
Total Assets	40,452	40,531
Current Liabilities:
Accounts Payable	1,050	963
Labor and Fringe Benefits Payable	547	630
Casualty, Environmental and Other Reserves (Note 4)	118	118
Current Maturities of Long-term Debt (Note 7)	317	181
Income and Other Taxes Payable	359	134
Other Current Liabilities	184	207
Total Current Liabilities	2,575	2,233
Casualty, Environmental and Other Reserves (Note 4)	267	250
Long-term Debt (Note 7)	16,019	16,185
Deferred Income Taxes - Net	7,428	7,383
Long-term Lease Liability	476	478
Other Long-term Liabilities	492	502
Total Liabilities	27,257	27,031
Shareholders' Equity:
Common Stock, $1 Par Value	2,174	2,202	[1]
Other Capital	103	66	[1]
Retained Earnings	11,284	11,630	[1]
Accumulated Other Comprehensive Loss (Note 11)	(377)	(408)
Non-controlling Minority Interest	11	10
Total Shareholders' Equity	13,195	13,500
Total Liabilities and Shareholders' Equity	$ 40,452	$ 40,531

[1] Certain prior year data has been retroactively adjusted to reflect the stock split effective June 28, 2021 or reclassified to conform to the current presentation. See accompanying notes to consolidated financial statements.