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Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2016

Fair Value Disclosures [Abstract]

Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis

The following table presents our financial assets that are measured at fair value on a recurring basis as of December 31, 2016 and 2015. We did not have any financial liabilities measured at fair value on a recurring basis as of December 31, 2016 and 2015.

	December 31, 2016
	Total				Level 1				Level 2				Level 3
	(in millions)
Financial investments, at fair value	$	245			$	228			$	17			$	—
Default fund and margin deposit investments	1,900				1,763				137				—
Total	$	2,145			$	1,991			$	154			$	—

	December 31, 2015
	Total				Level 1				Level 2				Level 3
	(in millions)
Financial investments, at fair value	$	201			$	189			$	12			$	—
Default fund and margin deposit investments	1,556				1,253				303				—
Total	$	1,757			$	1,442			$	315			$	—

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- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class 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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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X

- References

No definition available.

+ Details

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