CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Current Assets:
Cash and Cash Equivalents	$ 2,179	$ 3,129
Accounts Receivable - Net (Note 8)	1,326	912
Materials and Supplies	303	302
Other Current Assets	89	98
Total Current Assets	3,897	4,441
Properties	46,226	45,530
Accumulated Depreciation	(13,412)	(13,086)
Properties - Net	32,814	32,444
Investment in Affiliates and Other Companies	2,059	1,985
Right-of-Use Lease Asset	508	472
Goodwill and Other Intangible Assets - Net	451	63
Other Long-term Assets	400	388
Total Assets	40,129	39,793
Current Liabilities:
Accounts Payable	972	809
Labor and Fringe Benefits Payable	548	482
Casualty, Environmental and Other Reserves (Note 4)	117	90
Current Maturities of Long-term Debt (Note 7)	211	401
Income and Other Taxes Payable	238	73
Other Current Liabilities	182	164
Total Current Liabilities	2,268	2,019
Casualty, Environmental and Other Reserves (Note 4)	252	224
Long-term Debt (Note 7)	16,182	16,304
Deferred Income Taxes - Net	7,298	7,168
Long-term Lease Liability	482	455
Other Long-term Liabilities	475	513
Total Liabilities	26,957	26,683
Shareholders' Equity:
Common Stock, $1 Par Value	2,218	2,288	[1]
Other Capital	24	152	[1]
Retained Earnings	11,455	11,259	[1]
Accumulated Other Comprehensive Loss (Note 11)	(534)	(598)
Non-controlling Minority Interest	9	9
Total Shareholders' Equity	13,172	13,110
Total Liabilities and Shareholders' Equity	$ 40,129	$ 39,793

[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.