CONSOLIDATED INCOME STATEMENTS (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 26, 2014	Sep. 27, 2013	Sep. 26, 2014	Sep. 27, 2013
Income Statement
Revenue	$ 3,221	$ 2,985	$ 9,477	$ 8,994
Expense
Labor and Fringe	845	791	2,468	2,335
Materials, Supplies and Other	610	576	1,860	1,643
Fuel	393	407	1,255	1,248
Depreciation	291	277	861	823
Equipment and Other Rents	106	94	321	285
Total Expense	2,245	2,145	6,765	6,334
Operating Income	976	840	2,712	2,660
Interest Expense	(137)	(136)	(412)	(423)
Other (Expense) Income - Net	(26)	5	(31)	11
Earnings Before Income Taxes	813	709	2,269	2,248
Income Tax Expense	(304)	(254)	(833)	(810)
Net Earnings	$ 509	$ 455	$ 1,436	$ 1,438
Per Common Share
Net Earnings Per Share, Basic (in dollars per share)	$ 0.51	$ 0.45	$ 1.43	$ 1.41
Net Earnings Per Share, Assuming Dilution (in dollars per share)	$ 0.51	$ 0.45	$ 1.43	$ 1.41
Average Shares Outstanding (in shares)	999	1,017	1,003	1,021
Average Shares Outstanding, Assuming Dilution (in shares)	999	1,018	1,004	1,021
Cash Dividends Paid Per Common Share (in dollars per share)	$ 0.16	$ 0.15	$ 0.47	$ 0.44