Debt (Tables)

3 Months Ended

Mar. 31, 2019

Debt Disclosure [Abstract]

Summary of credit facilities

We had outstanding borrowings, letters of credit issued, and availability under our credit facilities as follows (amounts in millions and currency in U.S. dollars, except as noted):

				March 31, 2019
	Facility Amount		Maturity Date	Outstanding Borrowings		Letters of Credit Issued (b)		Availability
Committed facilities:
Valero Revolver	$	4,000	March 2024	$	—	$	55	$	3,945
Canadian Revolver	C$	150	November 2019	C$	—	C$	5	C$	145
Accounts receivable sales facility	$	1,300	July 2019	$	100	n/a		$	1,200
Letter of credit facility	$	100	November 2019	n/a		$	—	$	100
Committed facilities of VIE (a):
IEnova Revolver	$	340	February 2028	$	132	n/a		$	208
Uncommitted facilities:
Letter of credit facilities	n/a		n/a	n/a		$	408	n/a

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(a) Creditors of our VIE do not have recourse against us.

(b)

Letters of credit issued as of March 31, 2019 expire at various times in 2019 through 2020.

Interest and debt expense, net of capitalized interest

“Interest and debt expense, net of capitalized interest” is comprised of the following (in millions):

	Three Months Ended March 31,
	2019		2018
Interest and debt expense	$	136	$	139
Less capitalized interest	24		18
Interest and debt expense, net of capitalized interest	$	112	$	121