CONSOLIDATED BALANCE SHEETS - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Current Assets:
Cash and Cash Equivalents	$ 2,239,000,000	$ 3,129,000,000
Short-term Investments	77,000,000	2,000,000
Accounts Receivable - Net (Note 11)	1,148,000,000	912,000,000
Materials and Supplies	339,000,000	302,000,000
Other Current Assets	70,000,000	96,000,000
Total Current Assets	3,873,000,000	4,441,000,000
Properties	46,505,000,000	45,530,000,000
Accumulated Depreciation	(13,490,000,000)	(13,086,000,000)
Properties - Net (Note 6)	33,015,000,000	32,444,000,000
Investment in Affiliates and Other Companies (Note 15)	2,099,000,000	1,985,000,000
Right of Use Lease Asset (Note 7)	501,000,000	472,000,000
Goodwill and Other Intangible Assets - Net (Note 18)	451,000,000	63,000,000
Other Long-term Assets	592,000,000	388,000,000
Total Assets	40,531,000,000	39,793,000,000
Current Liabilities:
Accounts Payable	963,000,000	809,000,000
Labor and Fringe Benefits Payable	630,000,000	482,000,000
Casualty, Environmental and Other Reserves (Note 5)	118,000,000	90,000,000
Current Maturities of Long-term Debt (Note 10)	181,000,000	401,000,000
Income and Other Taxes Payable	134,000,000	73,000,000
Other Current Liabilities	207,000,000	164,000,000
Total Current Liabilities	2,233,000,000	2,019,000,000
Casualty, Environmental and Other Reserves (Note 5)	250,000,000	224,000,000
Long-term Debt (Note 10)	16,185,000,000	16,304,000,000
Deferred Income Taxes - Net (Note 12)	7,383,000,000	7,168,000,000
Long-term Lease Liability (Note 7)	478,000,000	455,000,000
Other Long-term Liabilities	502,000,000	513,000,000
Total Liabilities	27,031,000,000	26,683,000,000
Shareholders' Equity:
Common Stock, $1 Par Value (Note 3)	2,202,000,000	2,288,000,000	[1]
Other Capital	66,000,000	152,000,000	[1]
Retained Earnings	11,630,000,000	11,259,000,000	[1]
Accumulated Other Comprehensive Loss (Note 16)	(408,000,000)	(598,000,000)
Non-controlling Minority Interest	10,000,000	9,000,000
Total Shareholders' Equity	13,500,000,000	13,110,000,000
Total Liabilities and Shareholders' Equity	$ 40,531,000,000	$ 39,793,000,000

[1] Certain prior year data has been retroactively adjusted to reflect the stock split effective June 28, 2021 and reclassified to conform to the current presentation.