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CONSOLIDATED INCOME STATEMENTS (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 28, 2012 | Sep. 30, 2011 | Sep. 28, 2012 | Sep. 30, 2011
Income Statement |  |  |  |
Revenue | $ 2,894 | $ 2,963 | $ 8,872 | $ 8,792
Expense |  |  |  |
Labor and Fringe | 754 | 765 | 2,268 | 2,294
Materials, Supplies and Other | 525 | 562 | 1,617 | 1,649
Fuel | 397 | 412 | 1,251 | 1,245
Depreciation | 268 | 251 | 788 | 740
Equipment and Other Rents | 96 | 95 | 295 | 287
Total Expense | 2,040 | 2,085 | 6,219 | 6,215
Operating Income | 854 | 878 | 2,653 | 2,577
Interest Expense | (138) | (138) | (421) | (412)
Other Income - Net (Note 8) | 5 | 6 | 14 | 11
Earnings Before Income Taxes | 721 | 746 | 2,246 | 2,176
Income Tax Expense | (266) | (282) | (830) | (811)
Net Earnings | $ 455 | $ 464 | $ 1,416 | $ 1,365
Per Common Share (Note 2) |  |  |  |
Net Earnings Per Share, Basic (in dollars per share) | $ 0.44 | $ 0.43 | $ 1.36 | $ 1.25
Net Earnings Per Share, Assuming Dilution (in dollars per share) | $ 0.44 | $ 0.43 | $ 1.36 | $ 1.24
Average Shares Outstanding (in shares) | 1,038 | 1,071 | 1,042 | 1,094
Average Shares Outstanding, Assuming Dilution (in shares) | 1,040 | 1,077 | 1,044 | 1,100
Cash Dividends Paid Per Common Share (in dollars per share) | $ 0.14 | $ 0.12 | $ 0.40 | $ 0.33

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Period Type: | duration