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Provisions - Summary of Oil and Gas Pricing (Detail) | 12 Months Ended
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Dec. 31, 2022 $ / MMBTU $ / bbl
TTF (US$/MMBtu) [member] | 2022 [member] |
Disclosure of detailed information about oil and gas pricing [line items] |
Oil and gas sale price | 47.9
TTF (US$/MMBtu) [member] | 2023 [member] |
Disclosure of detailed information about oil and gas pricing [line items] |
Oil and gas sale price | 36.4
TTF (US$/MMBtu) [member] | 2024 [member] |
Disclosure of detailed information about oil and gas pricing [line items] |
Oil and gas sale price | 22.3
TTF (US$/MMBtu) [member] | 2025 [member] |
Disclosure of detailed information about oil and gas pricing [line items] |
Oil and gas sale price | 8.8
TTF (US$/MMBtu) [member] | 2026 [member] |
Disclosure of detailed information about oil and gas pricing [line items] |
Oil and gas sale price | 9
Brent (US$/bbl) [member] | 2022 [member] |
Disclosure of detailed information about oil and gas pricing [line items] |
Oil and gas sale price | $ / bbl | 87
Brent (US$/bbl) [member] | 2023 [member] |
Disclosure of detailed information about oil and gas pricing [line items] |
Oil and gas sale price | $ / bbl | 78
Brent (US$/bbl) [member] | 2024 [member] |
Disclosure of detailed information about oil and gas pricing [line items] |
Oil and gas sale price | $ / bbl | 74
Brent (US$/bbl) [member] | 2025 [member] |
Disclosure of detailed information about oil and gas pricing [line items] |
Oil and gas sale price | $ / bbl | 76
Brent (US$/bbl) [member] | 2026 [member] |
Disclosure of detailed information about oil and gas pricing [line items] |
Oil and gas sale price | $ / bbl | 77
HH (US$/MMBtu) [member] | 2022 [member] |
Disclosure of detailed information about oil and gas pricing [line items] |
Oil and gas sale price | 6.1
HH (US$/MMBtu) [member] | 2023 [member] |
Disclosure of detailed information about oil and gas pricing [line items] |
Oil and gas sale price | 4.7
HH (US$/MMBtu) [member] | 2024 [member] |
Disclosure of detailed information about oil and gas pricing [line items] |
Oil and gas sale price | 4
HH (US$/MMBtu) [member] | 2025 [member] |
Disclosure of detailed information about oil and gas pricing [line items] |
Oil and gas sale price | 4.1
HH (US$/MMBtu) [member] | 2026 [member] |
Disclosure of detailed information about oil and gas pricing [line items] |
Oil and gas sale price | 4.2

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- Definition Sales price per unit of oil and gas produced. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1204 -Paragraph (b) -Subparagraph (1) + Details
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