Inventory, Crude Oil, Sold

No definition available.

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- Definition

Number of VLCC's Cargos Sold

+ References

No definition available.

+ Details

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- Definition

The average floor rate on a group of price risk derivatives such as floors or collars. A payment or receipt is triggered if the market rate falls below the floor rate on the contract.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Nominal number of units used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959

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- Definition

Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959

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Financial Risk Management Activities - Additional Information (Detail) bbl in Millions, MMBbls in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($) MMBbls bbl / d vlcc $ / bbl bbl	Mar. 31, 2020 USD ($)	Dec. 31, 2020 MMBbls
Very Large Crude Carriers (VLCCs)
Derivative Instruments, Gain (Loss) [Line Items]
Crude oil sold (in barrels of oil) \| bbl	4.2
Number of VLCC's cargos sold \| vlcc	2
Crude Oil Put Options \| West Texas Intermediate \| Derivative Activity - Purchased
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of crude oil \| bbl / d	120,000
Average monthly floor price (US dollar per barrel) \| $ / bbl	55
Crude Oil Put Options \| Brent \| Derivative Activity - Purchased
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of crude oil \| bbl / d	30,000
Average monthly floor price (US dollar per barrel) \| $ / bbl	60
Commodity Derivative Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of crude oil \| MMBbls	41.3		27.4
Commodity Derivative Contracts \| Derivative Contracts Designated as Hedging Instruments: \| Designated as Cash Flow Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Net gain (loss) from crude oil hedging contracts \| $	$ (51)	$ 64
Commodity Derivative Contracts \| Very Large Crude Carriers (VLCCs) \| Derivative Contracts Designated as Hedging Instruments: \| Designated as Cash Flow Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Net gain (loss) from crude oil hedging contracts \| $	$ (4)