Consolidated Balance Sheets - USD ($) $ in Millions		May 31, 2021	May 31, 2020
CURRENT ASSETS
Cash and cash equivalents		$ 7,087	$ 4,881
Receivables, less allowances of $742 and $390		12,069	10,102
Spare parts, supplies and fuel, less allowances of $349 and $335		587	572
Prepaid expenses and other		837	828
Total current assets		20,580	16,383
PROPERTY AND EQUIPMENT, AT COST
Aircraft and related equipment		26,268	24,518
Package handling and ground support equipment		13,012	11,382
Information technology		7,486	6,884
Vehicles and trailers		9,282	9,101
Facilities and other		14,029	13,139
Gross property and equipment		70,077	65,024
Less accumulated depreciation and amortization		34,325	31,416
Net property and equipment		35,752	33,608
OTHER LONG-TERM ASSETS
Operating lease right-of-use assets, net		15,383	13,917
Goodwill		6,992	6,372
Other assets		4,070	3,257
Total other long-term assets		26,445	23,546
ASSETS	[1]	82,777	73,537
CURRENT LIABILITIES
Current portion of long-term debt		146	51
Accrued salaries and employee benefits		2,903	1,569
Accounts payable		3,841	3,269
Operating lease liabilities		2,208	1,923
Accrued expenses		4,562	3,532
Total current liabilities		13,660	10,344
LONG-TERM DEBT, LESS CURRENT PORTION		20,733	21,952
OTHER LONG-TERM LIABILITIES
Deferred income taxes		3,927	3,162
Pension, postretirement healthcare and other benefit obligations		3,501	5,019
Self-insurance accruals		2,430	2,104
Operating lease liabilities		13,375	12,195
Other liabilities		983	466
Total other long-term liabilities		24,216	22,946
COMMITMENTS AND CONTINGENCIES
COMMON STOCKHOLDERS' INVESTMENT
Common stock, $0.10 par value; 800 million shares authorized; 318 million shares issued as of May 31, 2021 and 2020		32	32
Additional paid-in capital		3,481	3,356
Retained earnings		29,817	25,216
Accumulated other comprehensive loss		(732)	(1,147)
Treasury stock, at cost		(8,430)	(9,162)
Total common stockholders’ investment		24,168	18,295
LIABILITIES AND COMMON STOCKHOLDERS' INVESTMENT		$ 82,777	$ 73,537

[1] Segment assets include intercompany receivables.