CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Dec. 27, 2013		Dec. 28, 2012		Dec. 30, 2011		Dec. 31, 2010
Current Assets
Cash and Cash Equivalents	$ 592	[1]	$ 784	[1]	$ 783	[1]	$ 1,292	[1]
Short-term Investments	487	[1]	587	[1]
Accounts Receivable - Net	1,052	[1]	1,114	[1]	1,147	[1]
Materials and Supplies	252	[1]	274	[1]
Deferred Income Taxes	155	[1]	119	[1]
Other Current Assets	64	[1]	75	[1]
Total Current Assets	2,602		2,953	[1]	2,953
Properties	37,184	[1]	35,279	[1]
Accumulated Depreciation	(9,893)	[1]	(9,229)	[1]
Properties - Net	27,291		26,050	[1]
Other Long-term Assets	591	[1]	514	[1]
Total Assets	31,782		30,723	[1]	29,491
Current Liabilities
Accounts Payable	957	[1]	948	[1]	954	[1]
Labor and Fringe Benefits Payable	587	[1]	468	[1]
Current Maturities of Long-term Debt	533	[1]	780	[1]
Income and Other Taxes Payable	91	[1]	169	[1]	210	[1]
Other Current Liabilities	105	[1]	140	[1]
Total Current Liabilities	2,424		2,645	[1]	2,575
Long-term Debt	9,022	[1]	9,052	[1]
Deferred Income Taxes	8,662	[1]	8,096	[1]
Other Long-term Liabilities	870	[1]	1,457	[1]
Total Liabilities	21,278		21,587	[1]	20,893
Shareholders' Equity:
Common Stock, $1 Par Value	1,009	[1]	1,020	[1]
Other Capital	61	[1]	28	[1]
Retained Earnings	9,936	[1]	9,010	[1]	8,405	[1]
Accumulated Other Comprehensive Loss	(523)	[1]	(936)	[1]	(875)		(771)
Noncontrolling Minority Interest	21	[1]	14	[1]
Total Shareholders' Equity	10,504		9,136	[1]	8,598		8,798
Total Liabilities and Shareholders' Equity	31,782		30,723	[1]	29,491
Investments in Conrail
Current Assets
Investment in Affiliates and Joint Ventures	752	[1]	695	[1]
Affiliates and Other Companies
Current Assets
Investment in Affiliates and Joint Ventures	$ 546	[1]	$ 511	[1]

[1] See the revision of prior period financial statements in Note 1. Nature of Operations and Significant Accounting Policies.