CONSOLIDATED INCOME STATEMENTS (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement
Revenue	$ 3,706	$ 3,413
Expense
Labor and Fringe	723	692
Purchased Services and Other	688	675
Fuel	364	331
Depreciation and Amortization	393	360
Equipment and Other Rents	82	100
Gains on Property Dispositions	(8)	(27)
Total Expense	2,242	2,131
Operating Income	1,464	1,282
Interest Expense	(201)	(179)
Other Income - Net	41	26
Earnings Before Income Taxes	1,304	1,129
Income Tax Expense	(317)	(270)
Net Earnings	$ 987	$ 859
Per Common Share (Note 2)
Net Earnings Per Share, Basic (in dollars per share)	$ 0.48	$ 0.39
Net Earnings Per Share, Assuming Dilution (in dollars per share)	$ 0.48	$ 0.39
Average Shares Outstanding (in shares)	2,054	2,188
Average Shares Outstanding, Assuming Dilution (in shares)	2,058	2,193