Equity (Tables)

3 Months Ended

Mar. 31, 2012

Equity [Abstract]

Schedule of changes in equity

The following is a reconciliation of the beginning and ending balances (in millions) of equity attributable to our stockholders, equity attributable to the noncontrolling interest, and total equity for the three months ended March 31, 2012 and 2011:

	2012								2011
	Valero Stockholders’ Equity			Non- controlling Interest		Total Equity			Valero Stockholders’ Equity			Non- controlling Interest		Total Equity
Balance at beginning of period	$	16,423		$	22	$	16,445		$	15,025		$	—	$	15,025
Net income (loss)	(432		)	—		(432		)	98			—		98
Dividends	(83		)	—		(83		)	(28		)	—		(28		)
Stock-based compensation expense	10			—		10			12			—		12
Tax deduction in excess of stock-based compensation expense	2			—		2			5			—		5
Transactions in connection with stock-based compensation plans:
Stock issuances	9			—		9			21			—		21
Stock repurchases	(95		)	—		(95		)	—			—		—
Contributions from noncontrolling interest	—			11		11			—			—		—
Other comprehensive income	125			—		125			91			—		91
Balance at end of period	$	15,959		$	33	$	15,992		$	15,224		$	—	$	15,224

Schedule of stock by class

Activity in the number of shares of common stock and treasury stock was as follows (in millions) for the three months ended March 31, 2012 and 2011:

	2012			2011
	Common Stock	Treasury Stock		Common Stock	Treasury Stock
Balance as of beginning of period	673	(117	)	673	(105	)
Transactions in connection with stock-based compensation plans:
Stock issuances	—	1		—	2
Stock purchases	—	(5	)	—	—
Balance as of end of period	673	(121	)	673	(103	)