CONSOLIDATED INCOME STATEMENTS (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 26, 2015	Jun. 27, 2014	Jun. 26, 2015	Jun. 27, 2014
Income Statement
Revenue	$ 3,064	$ 3,244	$ 6,091	$ 6,256
Expense
Labor and Fringe	825	809	1,704	1,623
Materials, Supplies and Other	559	621	1,186	1,250
Fuel	263	416	533	862
Depreciation	299	287	594	570
Equipment and Other Rents	101	114	214	215
Total Expense	2,047	2,247	4,231	4,520
Operating Income	1,017	997	1,860	1,736
Interest Expense	(134)	(135)	(268)	(275)
Other Income - Net	4	(12)	6	(5)
Earnings Before Income Taxes	887	850	1,598	1,456
Income Tax Expense	(334)	(321)	(603)	(529)
Net Earnings	$ 553	$ 529	$ 995	$ 927
Per Common Share
Net Earnings Per Share, Basic (in dollars per share)	$ 0.56	$ 0.53	$ 1.01	$ 0.92
Net Earnings Per Share, Assuming Dilution (in dollars per share)	$ 0.56	$ 0.53	$ 1.00	$ 0.92
Average Shares Outstanding (in shares)	988	1,003	989	1,005
Average Shares Outstanding, Assuming Dilution (in shares)	989	1,003	990	1,006
Cash Dividends Paid Per Common Share (in dollars per share)	$ 0.18	$ 0.16	$ 0.34	$ 0.31