CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Millions	Jul. 01, 2011	Dec. 31, 2010	Jun. 25, 2010	Dec. 25, 2009
Current Assets
Cash and Cash Equivalents	$ 1,252	$ 1,292	$ 633	$ 1,029
Short-term Investments	43	54
Accounts Receivable - Net (Note 1)	1,112	993
Materials and Supplies	251	218
Deferred Income Taxes	186	192
Other Current Assets	123	106
Total Current Assets	2,967	2,855
Properties	32,777	32,065
Accumulated Depreciation	(8,575)	(8,266)
Properties - Net	24,202	23,799
Investment in Conrail	681	673
Affiliates and Other Companies	477	461
Other Long-term Assets	378	353
Total Assets	28,705	28,141
Current Liabilities
Accounts Payable	1,076	1,046
Labor and Fringe Benefits Payable	430	520
Casualty, Environmental and Other Reserves (Note 4)	180	176
Current Maturities of Long-term Debt (Note 7)	494	613
Income and Other Taxes Payable	137	85
Other Current Liabilities	168	97
Total Current Liabilities	2,485	2,537
Casualty, Environmental and Other Reserves (Note 4)	468	502
Long-term Debt (Note 7)	8,186	8,051
Deferred Income Taxes	7,340	7,053
Other Long-term Liabilities	1,285	1,298
Total Liabilities	19,764	19,441
Common Stock $1 Par Value	1,095	370
Other Capital (Note 1)	0	0
Retained Earnings	8,582	9,087
Accumulated Other Comprehensive Loss (Note 1)	(747)	(771)
Noncontrolling Interest	11	14
Total Shareholders' Equity	8,941	8,700
Total Liabilities and Shareholders' Equity	$ 28,705	$ 28,141