CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010	Sep. 24, 2010	Dec. 25, 2009
Current Assets
Cash and Cash Equivalents	$ 580	$ 1,292	$ 636	$ 1,029
Short-term Investments	61	54
Accounts Receivable - Net (Note 1)	1,148	993
Materials and Supplies	236	218
Deferred Income Taxes	164	192
Other Current Assets	112	106
Total Current Assets	2,301	2,855
Properties	33,141	32,065
Accumulated Depreciation	(8,723)	(8,266)
Properties - Net	24,418	23,799
Other Long-term Assets	361	353
Total Assets	28,248	28,141
Current Liabilities
Accounts Payable	1,170	1,046
Labor and Fringe Benefits Payable	474	520
Casualty, Environmental and Other Reserves (Note 4)	200	176
Current Maturities of Long-term Debt (Note 7)	494	613
Income and Other Taxes Payable	129	85
Other Current Liabilities	101	97
Total Current Liabilities	2,568	2,537
Casualty, Environmental and Other Reserves (Note 4)	434	502
Long-term Debt (Note 7)	8,160	8,051
Deferred Income Taxes	7,535	7,053
Other Long-term Liabilities	1,283	1,298
Total Liabilities	19,980	19,441
Common Stock $1 Par Value	1,050	370
Other Capital (Note 1)	0	0
Retained Earnings	7,944	9,087
Accumulated Other Comprehensive Loss (Note 1)	(738)	(771)
Noncontrolling Interest	12	14
Total Shareholders' Equity	8,268	8,700
Total Liabilities and Shareholders' Equity	28,248	28,141
Investments in Conrail
Current Assets
Investment in Affiliates and Joint Ventures	687	673
Affiliates and Other Companies
Current Assets
Investment in Affiliates and Joint Ventures	$ 481	$ 461