CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Current Assets:
Cash and Cash Equivalents	$ 2,986	$ 3,129
Short-term Investments	4	2
Accounts Receivable - Net (Note 8)	1,192	912
Materials and Supplies	289	302
Other Current Assets	102	96
Total Current Assets	4,573	4,441
Properties	45,714	45,530
Accumulated Depreciation	(13,228)	(13,086)
Properties - Net	32,486	32,444
Investment in Affiliates and Other Companies	2,033	1,985
Right-of-Use Lease Asset	462	472
Other Long-term Assets	461	451
Total Assets	40,015	39,793
Current Liabilities:
Accounts Payable	879	809
Labor and Fringe Benefits Payable	447	482
Casualty, Environmental and Other Reserves (Note 4)	102	90
Current Maturities of Long-term Debt (Note 7)	122	401
Income and Other Taxes Payable	242	73
Other Current Liabilities	159	164
Total Current Liabilities	1,951	2,019
Casualty, Environmental and Other Reserves (Note 4)	210	224
Long-term Debt (Note 7)	16,229	16,304
Deferred Income Taxes - Net	7,248	7,168
Long-term Lease Liability	450	455
Other Long-term Liabilities	493	513
Total Liabilities	26,581	26,683
Shareholders' Equity:
Common Stock, $1 Par Value	2,254	2,288	[1]
Other Capital	0	152	[1]
Retained Earnings	11,723	11,259	[1]
Accumulated Other Comprehensive Loss (Note 11)	(551)	(598)
Non-controlling Minority Interest	8	9
Total Shareholders' Equity	13,434	13,110
Total Liabilities and Shareholders' Equity	$ 40,015	$ 39,793

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