CONSOLIDATED INCOME STATEMENTS (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	[1]	Jun. 30, 2020	Jun. 30, 2019	[1]
Income Statement
Revenue	$ 2,255	$ 3,061		$ 5,110	$ 6,074
Expense
Labor and Fringe	507	648		1,113	1,320
Materials, Supplies and Other	407	445		861	916
Depreciation	344	337		688	667
Fuel	91	234		283	467
Equipment and Other Rents	78	92		159	180
Total Expense	1,427	1,756		3,104	3,550
Operating Income	828	1,305		2,006	2,524
Interest Expense	(191)	(184)		(378)	(362)
Other Income - Net	15	25		37	48
Earnings Before Income Taxes	652	1,146		1,665	2,210
Income Tax Expense	(153)	(276)		(396)	(506)
Net Earnings	$ 499	$ 870		$ 1,269	$ 1,704
Per Common Share
Net Earnings Per Share, Basic (in dollars per share)	$ 0.65	$ 1.08		$ 1.65	$ 2.10
Net Earnings Per Share, Assuming Dilution (in dollars per share)	$ 0.65	$ 1.08		$ 1.65	$ 2.10
Average Shares Outstanding (in shares)	766	805		769	810
Average Shares Outstanding, Assuming Dilution (in shares)	767	807		770	812

[1] Certain prior year data has been reclassified to conform to the current presentation.