Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current assets:
Cash and temporary cash investments	$ 1,295	$ 1,024
Receivables, net	6,624	8,706
Inventories	5,443	5,623
Income taxes receivable	287	212
Deferred income taxes	246	283
Prepaid expenses and other	138	124
Total current assets	14,033	15,972
Property, plant and equipment, at cost	32,832	32,253
Accumulated depreciation	(7,311)	(7,076)
Property, plant and equipment, net	25,521	25,177
Intangible assets, net	218	227
Deferred charges and other assets, net	1,416	1,407
Total assets	41,188	42,783
Current liabilities:
Current portion of debt and capital lease obligations	582	1,009
Accounts payable	7,998	9,472
Accrued expenses	527	595
Taxes other than income taxes	1,334	1,264
Income taxes payable	61	119
Deferred income taxes	296	249
Total current liabilities	10,798	12,708
Debt and capital lease obligations, less current portion	6,460	6,732
Deferred income taxes	5,411	5,017
Other long-term liabilities	1,896	1,881
Commitments and contingencies
Valero Energy Corporation stockholders' equity:
Common stock, $0.01 par value; 1,200,000,000 shares authorized; 673,501,593 and 673,501,593 shares issued	7	7
Additional paid-in capital	7,477	7,486
Treasury stock, at cost; 122,106,373 and 116,689,450 common shares	(6,568)	(6,475)
Retained earnings	15,542	15,309
Accumulated other comprehensive income	119	96
Total Valero Energy Corporation stockholders' equity	16,577	16,423
Noncontrolling interest	46	22
Total equity	16,623	16,445
Total liabilities and equity	$ 41,188	$ 42,783