CONSOLIDATED INCOME STATEMENTS (Unaudited) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jul. 01, 2011		Jun. 25, 2010		Jul. 01, 2011		Jun. 25, 2010
Income Statement
Revenue	$ 3,019		$ 2,663		$ 5,829		$ 5,154
Expense
Labor and Fringe	764		721		1,529		1,450
Materials, Supplies and Other	557		551		1,087		1,070
Fuel	431		304		833		587
Depreciation	246		230		489		458
Equipment and Other Rents	95		89		192		189
Total Expense	2,093		1,895		4,130		3,754
Operating Income	926		768		1,699		1,400
Interest Expense	(134)		(135)		(274)		(277)
Other Income - Net (Note 8)	0		9		5		20
Earnings Before Income Taxes	792		642		1,430		1,143
Income Tax Expense (Note 9)	(286)		(228)		(529)		(424)
Net Earnings	$ 506		$ 414		$ 901		$ 719
Per Common Share (Note 2)
Net Earnings Per Share, Basic	$ 0.46	[1]	$ 0.36	[1]	$ 0.81	[1]	$ 0.62	[1]
Net Earnings Per Share, Assuming Dilution	$ 0.46	[1]	$ 0.36	[1]	$ 0.81	[1]	$ 0.61	[1]
Average Shares Outstanding	1,102,409	[1]	1,149,492	[1]	1,105,228	[1]	1,161,365	[1]
Average Shares Outstanding, Assuming Dilution	1,109,015	[1]	1,159,173	[1]	1,111,886	[1]	1,171,071	[1]
Cash Dividends Paid Per Common Share	$ 0.12		$ 0.08		$ 0.21		$ 0.16

[1] All share and per share data were retroactively restated to reflect the stock split effective May 31, 2011.