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Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Assets and liabilities measured at fair value on a recurring basis

The following tables set forth the assets and liabilities measured at fair value on a recurring basis, by input level, as of June 30, 2018 and December 31, 2017:

	June 30, 2018
Location and Description	Level 1				Level 2				Level 3				Total
	(in millions)
Cash equivalents	$	50			$	—			$	—			$	50
Other current assets (investments)	—				—				—				—
Other current assets (commodity derivatives)	—				1				—				1
Total Assets	$	50			$	1			$	—			$	51
Other current liabilities (commodity derivatives)	$	—			$	(27	)		$	—			$	(27	)
Other current liabilities (biofuel blending obligation)	—				(11		)		—				(11		)
Total Liabilities	$	—			$	(38	)		$	—			$	(38	)

	December 31, 2017
Location and Description	Level 1				Level 2				Level 3				Total
	(in millions)
Cash equivalents	$	15			$	—			$	—			$	15
Other current assets (investments)	—				—				—				—
Total Assets	$	15			$	—			$	—			$	15
Other current liabilities (commodity derivatives)	$	—			$	(64	)		$	—			$	(64	)
Other long-term liabilities (biofuel blending obligation)	—				(1		)		—				(1		)
Total Liabilities	$	—			$	(65	)		$	—			$	(65	)

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- References

No definition available.

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- Definition

Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19190-110258

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