Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net income	$ 2,333	$ 1,429
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	866	835
Aruba Refinery asset retirement expense and other	0	63
Deferred income tax expense (benefit)	(82)	73
Changes in current assets and current liabilities	615	(1,024)
Changes in deferred charges and credits and other operating activities, net	30	2
Net cash provided by operating activities	3,762	1,378
Cash flows from investing activities:
Capital expenditures	(828)	(954)
Deferred turnaround and catalyst costs	(400)	(369)
Other investing activities, net	14	(43)
Net cash used in investing activities	(1,214)	(1,366)
Cash flows from financing activities:
Proceeds from debt issuances	1,446	0
Repayment of debt	(477)	(200)
Proceeds from the exercise of stock options	20	32
Purchase of common stock for treasury	(992)	(455)
Common stock dividends	(409)	(266)
Contributions from noncontrolling interests	1	14
Distributions to noncontrolling interests (public unitholders) of Valero Energy Partners LP	(9)	(4)
Distributions to other noncontrolling interest	(25)	0
Other financing activities, net	13	52
Net cash used in financing activities	(432)	(827)
Effect of foreign exchange rate changes on cash	(41)	3
Net increase (decrease) in cash and temporary cash investments	2,075	(812)
Cash and temporary cash investments at beginning of period	3,689	4,292
Cash and temporary cash investments at end of period	$ 5,764	$ 3,480