Condensed Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Nov. 30, 2011	May 31, 2011
CURRENT ASSETS
Cash and cash equivalents	$ 1,896	$ 2,328
Receivables, less allowances of $187 and $182	4,837	4,581
Spare parts, supplies and fuel, less allowances of $176 and $169	440	437
Deferred income taxes	628	610
Prepaid expenses and other	367	329
Total current assets	8,168	8,285
PROPERTY AND EQUIPMENT, AT COST	35,399	33,686
Less accumulated depreciation and amortization	18,690	18,143
Net property and equipment	16,709	15,543
OTHER LONG-TERM ASSETS
Goodwill	2,399	2,326
Other assets	1,176	1,231
Total other long-term assets	3,575	3,557
ASSETS	28,452	27,385
CURRENT LIABILITIES
Current portion of long-term debt	428	18
Accrued salaries and employee benefits	1,390	1,268
Accounts payable	1,646	1,702
Accrued expenses	1,916	1,894
Total current liabilities	5,380	4,882
LONG-TERM DEBT, LESS CURRENT PORTION	1,251	1,667
OTHER LONG-TERM LIABILITIES
Deferred income taxes	1,555	1,336
Pension, postretirement healthcare and other benefit obligations	2,065	2,124
Self-insurance accruals	977	977
Deferred lease obligations	897	779
Deferred gains, principally related to aircraft transactions	234	246
Other liabilities	176	154
Total other long-term liabilities	5,904	5,616
COMMITMENTS AND CONTINGENCIES
COMMON STOCKHOLDERS' INVESTMENT
Common stock, $0.10 par value; 800 million shares authorized; 317 million shares issued as of November 30, 2011 and May 31, 2011	32	32
Additional paid-in capital	2,557	2,484
Retained earnings	16,103	15,266
Accumulated other comprehensive loss	(2,581)	(2,550)
Treasury stock, at cost	(194)	(12)
Total common stockholders' investment	15,917	15,220
LIABILITIES AND STOCKHOLDERS' INVESTMENT	$ 28,452	$ 27,385