CONSOLIDATED INCOME STATEMENTS (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2012	Jul. 01, 2011	Jun. 29, 2012	Jul. 01, 2011
Income Statement
Revenue	$ 3,012	$ 3,019	$ 5,978	$ 5,829
Expense
Labor and Fringe	744	764	1,514	1,529
Materials, Supplies and Other	550	557	1,092	1,087
Fuel	410	431	854	833
Depreciation	263	246	520	489
Equipment and Other Rents	102	95	199	192
Total Expense	2,069	2,093	4,179	4,130
Operating Income	943	926	1,799	1,699
Interest Expense	(139)	(134)	(283)	(274)
Other Income - Net (Note 8)	5	0	9	5
Earnings Before Income Taxes	809	792	1,525	1,430
Income Tax Expense	(297)	(286)	(564)	(529)
Net Earnings	$ 512	$ 506	$ 961	$ 901
Per Common Share (Note 2)
Net Earnings Per Share, Basic	$ 0.49	$ 0.46	$ 0.92	$ 0.81
Net Earnings Per Share, Assuming Dilution	$ 0.49	$ 0.46	$ 0.92	$ 0.81
Average Shares Outstanding	1,041	1,102	1,044	1,105
Average Shares Outstanding, Assuming Dilution	1,043	1,109	1,046	1,112
Cash Dividends Paid Per Common Share	$ 0.14	$ 0.12	$ 0.26	$ 0.21