Condensed Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Aug. 31, 2013	May 31, 2013
CURRENT ASSETS
Cash and cash equivalents	$ 5,096	$ 4,917
Receivables, less allowances of $173 and $176	4,990	5,044
Spare parts, supplies and fuel, less allowances of $209 and $205	451	457
Deferred income taxes	604	533
Prepaid expenses and other	352	323
Total current assets	11,493	11,274
PROPERTY AND EQUIPMENT, AT COST	38,167	38,109
Less accumulated depreciation and amortization	19,730	19,625
Net property and equipment	18,437	18,484
OTHER LONG-TERM ASSETS
GOODWILL	2,712	2,755
Other assets	1,031	1,054
Total other long-term assets	3,743	3,809
ASSETS	33,673	33,567
CURRENT LIABILITIES
Current portion of long-term debt	254	251
Accrued salaries and employee benefits	1,366	1,688
Accounts payable	1,879	1,879
Accrued expenses	2,024	1,932
Total current liabilities	5,523	5,750
LONG-TERM DEBT, LESS CURRENT PORTION	2,739	2,739
OTHER LONG-TERM LIABILITIES
Deferred income taxes	1,820	1,652
Pension, postretirement healthcare and other benefit obligations	3,813	3,916
Self-insurance accruals	996	987
Deferred lease obligations	797	778
Deferred gains, principally related to aircraft transactions	221	227
Other liabilities	109	120
Total other long-term liabilities	7,756	7,680
COMMITMENTS AND CONTINGENCIES
COMMON STOCKHOLDERS' INVESTMENT
Common stock, $0.10 par value; 800 million shares authorized; 318 million shares issued as of August 31, 2013 and May 31, 2013	32	32
Additional paid-in capital	2,696	2,668
Retained earnings	18,913	18,519
Accumulated other comprehensive loss	(3,857)	(3,820)
Treasury stock, at cost	(129)	(1)
Total common stockholders' investment	17,655	17,398
LIABILITIES AND STOCKHOLDERS' INVESTMENT	$ 33,673	$ 33,567