Risk management - Disclosure Details Of Financial Contracts One (Detail) - Crude Oil 1 [member] - Oct - Dec 2020 - WTI [member]	9 Months Ended
Sep. 30, 2020 bbl / d $ / bbl
Disclosure of Disclosure Details Of Financial Contracts One [Line Items]
Notional volume \| bbl / d	530
Term	Oct - Dec 2020
Pricing \| $ / bbl	56.64

Disclosure of disclosure details Of financial contracts one.

No definition available.

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