Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and temporary cash investments	$ 1,857	$ 1,723
Receivables, net	7,658	8,167
Inventories	6,937	5,973
Income taxes receivable	90	169
Deferred income taxes	280	274
Prepaid expenses and other	384	154
Total current assets	17,206	16,460
Property, plant and equipment, at cost	34,470	34,132
Accumulated depreciation	(8,072)	(7,832)
Property, plant and equipment, net	26,398	26,300
Intangible assets, net	203	213
Deferred charges and other assets, net	1,694	1,504
Total assets	45,501	44,477
Current liabilities:
Current portion of debt and capital lease obligations	406	586
Accounts payable	9,821	9,348
Accrued expenses	761	590
Taxes other than income taxes	1,314	1,026
Income taxes payable	15	1
Deferred income taxes	388	378
Total current liabilities	12,705	11,929
Debt and capital lease obligations, less current portion	6,463	6,463
Deferred income taxes	6,131	5,860
Other long-term liabilities	1,784	2,130
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	7,245	7,322
Treasury stock, at cost; 125,469,048 and 121,406,520 common shares	(6,605)	(6,437)
Retained earnings	17,575	17,032
Accumulated other comprehensive income	121	108
Total Valero Energy Corporation stockholders’ equity	18,343	18,032
Noncontrolling interests	75	63
Total equity	18,418	18,095
Total liabilities and equity	$ 45,501	$ 44,477