Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Aug. 31, 2020	May 31, 2020
CURRENT ASSETS
Cash and cash equivalents	$ 6,954	$ 4,881
Receivables, less allowances of $485 and $390	10,508	10,102
Spare parts, supplies and fuel, less allowances of $337 and $335	593	572
Prepaid expenses and other	848	828
Total current assets	18,903	16,383
PROPERTY AND EQUIPMENT, AT COST	66,446	65,024
Less accumulated depreciation and amortization	32,184	31,416
Net property and equipment	34,262	33,608
OTHER LONG-TERM ASSETS
Operating lease right-of-use assets, net	14,496	13,917
Goodwill	6,633	6,372
Other assets	3,354	3,257
Total other long-term assets	24,483	23,546
ASSETS	77,648	73,537
CURRENT LIABILITIES
Current portion of long-term debt	87	51
Accrued salaries and employee benefits	1,756	1,569
Accounts payable	3,339	3,269
Operating lease liabilities	2,024	1,923
Accrued expenses	3,989	3,532
Total current liabilities	11,195	10,344
LONG-TERM DEBT, LESS CURRENT PORTION	23,204	21,952
OTHER LONG-TERM LIABILITIES
Deferred income taxes	3,171	3,162
Pension, postretirement healthcare and other benefit obligations	5,036	5,019
Self-insurance accruals	2,147	2,104
Operating lease liabilities	12,714	12,195
Other liabilities	719	466
Total other long-term liabilities	23,787	22,946
COMMITMENTS AND CONTINGENCIES
COMMON STOCKHOLDERS' INVESTMENT
Common stock, $0.10 par value; 800 million shares authorized; 318 million shares issued as of August 31, 2020 and May 31, 2020	32	32
Additional paid-in capital	3,375	3,356
Retained earnings	26,108	25,216
Accumulated other comprehensive loss	(1,020)	(1,147)
Treasury stock, at cost	(9,033)	(9,162)
Total common stockholders’ investment	19,462	18,295
LIABILITIES AND COMMON STOCKHOLDERS' INVESTMENT	$ 77,648	$ 73,537