CONSOLIDATED INCOME STATEMENTS (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 30, 2011		Dec. 31, 2010		Dec. 25, 2009
Income Statement
Revenue	$ 11,743		$ 10,636		$ 9,041
Expense
Labor and Fringe	3,073		2,957		2,629
Materials, Supplies and Other	2,229		2,075		1,999
Fuel	1,668		1,212		849
Depreciation	976		947		903
Equipment and Other Rents	379		374		391
Total Expense	8,325		7,565		6,771
Operating Income	3,418		3,071		2,270
Interest Expense	(552)		(557)		(558)
Other Income - Net (Note 10)	22		32		34
Earnings From Continuing Operations
Earnings Before Income Taxes	2,888		2,546		1,746
Income Tax Expense (Note 12)	(1,066)		(983)		(618)
Earnings From Continuing Operations	1,822		1,563		1,128
Discontinued Operations (Note 14)	0		0		15
Net Earnings	$ 1,822		$ 1,563		$ 1,143
Net Earnings Per Share, Basic
Continuing Operations	$ 1.68	[1]	$ 1.37	[1]	$ 0.96	[1]
Discontinued Operations	$ 0.00	[1]	$ 0.00	[1]	$ 0.01	[1]
Net Earnings Per Share, Basic	$ 1.68	[1],[2]	$ 1.37	[1],[2]	$ 0.97	[1]
Net Earnings Per Common Share, Assuming Dilution
Continuing Operations	$ 1.67	[1]	$ 1.35	[1]	$ 0.95	[1]
Discontinued Operations	$ 0.00	[1]	$ 0.00	[1]	$ 0.01	[1]
Net Earnings Per Share, Assuming Dilution	$ 1.67	[1],[2]	$ 1.35	[1],[2]	$ 0.96	[1]
Average Shares Outstanding	1,083	[1]	1,143	[1]	1,176	[1]
Average Common Shares Outstanding,
Average Shares Outstanding, Assuming Dilution	1,089	[1]	1,154	[1]	1,187	[1]
Cash Dividends Paid Per Common Share	$ 0.45	[2]	$ 0.33	[2]	$ 0.29

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

[2] All per share data were retroactively restated to reflect the three-for-one stock split effective May 31, 2011.