Inventory, Crude Oil, Sold

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- Definition

Number of VLCC's Cargos Sold

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- Definition

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and elected not to be offset.

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- Definition

The average cap rate on a group of price risk derivatives such as caps or collars. A payment or receipt is triggered if the market rate exceeds the cap rate on the contract.

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No definition available.

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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.

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No definition available.

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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.

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- Definition

Nominal number of units used to calculate payment on derivative.

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- Definition

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

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Financial Risk Management Activities - Additional Information (Detail) bbl in Thousands, MMBbls in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($) vlcc bbl	Sep. 30, 2021 USD ($) bbl MMBbls $ / bbl	Dec. 31, 2020 USD ($) MMBbls
Derivative Instruments, Gain (Loss) [Line Items]
Assets - Gross fair value of derivative contracts \| $		$ 111	$ 69
Very Large Crude Carriers (VLCCs)
Derivative Instruments, Gain (Loss) [Line Items]
Crude oil sold (in barrels of oil) \| bbl	4,200
Number of VLCCs cargos sold \| vlcc	2
Commodity Options / Collars
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of crude oil \| MMBbls		54.0	27.4
Commodity Options / Collars \| Very Large Crude Carriers (VLCCs)
Derivative Instruments, Gain (Loss) [Line Items]
Net gain (loss) from crude oil hedging contracts \| $	$ (4)
Commodity Options / Collars \| Other Current Assets
Derivative Instruments, Gain (Loss) [Line Items]
Assets - Gross fair value of derivative contracts \| $		$ 65
Commodity Options / Collars \| Other Assets
Derivative Instruments, Gain (Loss) [Line Items]
Assets - Gross fair value of derivative contracts \| $		$ 41
Contract Period Year 2021 \| Commodity Options / Collars \| West Texas Intermediate
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of crude oil \| bbl		120
Average monthly floor price (US dollar per barrel)		55
Contract Period Year 2021 \| Commodity Options / Collars \| Brent
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of crude oil \| bbl		30
Average monthly floor price (US dollar per barrel)		60
Contract Period Year 2022 \| Commodity Options / Collars \| West Texas Intermediate
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of crude oil \| bbl		80
Average monthly floor price (US dollar per barrel)		60
Average monthly ceiling price (US dollar per barrel)		90
Contract Period Year 2022 \| Commodity Options / Collars \| Brent
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount of crude oil \| bbl		30
Average monthly floor price (US dollar per barrel)		65
Average monthly ceiling price (US dollar per barrel)		95