CONSOLIDATED INCOME STATEMENTS (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement
Revenue	$ 3,013	$ 2,876
Expense
Labor and Fringe	672	696
Materials, Supplies and Other	478	482
Depreciation	330	323
Fuel	233	255
Equipment and Other Rents	100	101
Equity Earnings of Affiliates	(19)	(25)
Total Expense	1,794	1,832
Operating Income	1,219	1,044
Interest Expense	(178)	(149)
Other Income - Net	23	17
Earnings Before Income Taxes	1,064	912
Income Tax Expense	(230)	(217)
Net Earnings	$ 834	$ 695
Per Common Share
Net Earnings Per Share, Basic (in dollars per share)	$ 1.02	$ 0.78
Net Earnings Per Share, Assuming Dilution (in dollars per share)	$ 1.02	$ 0.78
Average Shares Outstanding (in shares)	814	885
Average Shares Outstanding, Assuming Dilution (in shares)	817	888