CONSOLIDATED INCOME STATEMENTS (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement
Revenue	$ 3,572	$ 3,895	$ 10,977	$ 11,123
Expense
Labor and Fringe	752	759	2,216	2,135
Purchased Services and Other	689	664	2,061	1,986
Depreciation and Amortization	399	378	1,194	1,107
Fuel	349	438	1,025	1,215
Equipment and Other Rents	94	104	266	299
Gains on Property Dispositions	(6)	(27)	(26)	(183)
Total Expense	2,277	2,316	6,736	6,559
Operating Income	1,295	1,579	4,241	4,564
Interest Expense	(203)	(193)	(605)	(543)
Other Income - Net	34	37	106	89
Earnings Before Income Taxes	1,126	1,423	3,742	4,110
Income Tax Expense	(280)	(312)	(913)	(962)
Net Earnings	$ 846	$ 1,111	$ 2,829	$ 3,148
Per Common Share (Note 2)
Net Earnings Per Share, Basic (in dollars per share)	$ 0.42	$ 0.52	$ 1.40	$ 1.46
Net Earnings Per Share, Assuming Dilution (in dollars per share)	$ 0.42	$ 0.52	$ 1.40	$ 1.46
Average Shares Outstanding (in shares)	1,994	2,122	2,022	2,156
Average Shares Outstanding, Assuming Dilution (in shares)	1,999	2,126	2,027	2,161