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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2020

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis

The following table summarizes the valuation of our assets and liabilities measured at fair value on a recurring basis at September 30, 2020 and December 31, 2019 are as follows:

																		Fair Value
Millions of dollars						Total Cost Basis																		Level 1(2)																		Level 2																														Total
Measured at fair value on a recurring basis:						2020						2019						2020						2019						2020						2019																		2020						2019
Short-term investments (1)						$	2,431					$	1,308					$	1,597					$	398					$	834					$	910																	$	2,431					$	1,308
Net derivative contracts						—						—						—						—						(15)						5																		(15)						5

⁽¹⁾Short-term investments are primarily comprised of money market funds and highly liquid, low risk investments with initial maturities less than 90 days.

(2)Increase in level 1 investments reflect invested proceeds from the credit facility borrowings.

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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://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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