XML 207 R146.htm IDEA: XBRL DOCUMENT v3.24.0.1
Provisions - Summary of Oil and Gas Pricing (Detail)
 12 Months Ended
Dec. 31, 2023
$ / MMBTU
$ / bbl
TTF (US$/MMBtu) [member] | 2024 [member]  
Disclosure of detailed information about oil and gas pricing [line items]  
Oil and gas sale price 13.9
TTF (US$/MMBtu) [member] | 2025 [member]  
Disclosure of detailed information about oil and gas pricing [line items]  
Oil and gas sale price 14.2
TTF (US$/MMBtu) [member] | 2026 [member]  
Disclosure of detailed information about oil and gas pricing [line items]  
Oil and gas sale price 8.8
TTF (US$/MMBtu) [member] | 2027 [member]  
Disclosure of detailed information about oil and gas pricing [line items]  
Oil and gas sale price 8.9
TTF (US$/MMBtu) [member] | 2028 [member]  
Disclosure of detailed information about oil and gas pricing [line items]  
Oil and gas sale price 9.1
Brent (US$/bbl) [member] | 2024 [member]  
Disclosure of detailed information about oil and gas pricing [line items]  
Oil and gas sale price | $ / bbl 82
Brent (US$/bbl) [member] | 2025 [member]  
Disclosure of detailed information about oil and gas pricing [line items]  
Oil and gas sale price | $ / bbl 80
Brent (US$/bbl) [member] | 2026 [member]  
Disclosure of detailed information about oil and gas pricing [line items]  
Oil and gas sale price | $ / bbl 76
Brent (US$/bbl) [member] | 2027 [member]  
Disclosure of detailed information about oil and gas pricing [line items]  
Oil and gas sale price | $ / bbl 77
Brent (US$/bbl) [member] | 2028 [member]  
Disclosure of detailed information about oil and gas pricing [line items]  
Oil and gas sale price | $ / bbl 79 [1]
HH (US$/MMBtu) [member] | 2024 [member]  
Disclosure of detailed information about oil and gas pricing [line items]  
Oil and gas sale price 3.4
HH (US$/MMBtu) [member] | 2025 [member]  
Disclosure of detailed information about oil and gas pricing [line items]  
Oil and gas sale price 3.5
HH (US$/MMBtu) [member] | 2026 [member]  
Disclosure of detailed information about oil and gas pricing [line items]  
Oil and gas sale price 3.5
HH (US$/MMBtu) [member] | 2027 [member]  
Disclosure of detailed information about oil and gas pricing [line items]  
Oil and gas sale price 3.5
HH (US$/MMBtu) [member] | 2028 [member]  
Disclosure of detailed information about oil and gas pricing [line items]  
Oil and gas sale price 3.6 [2]
[1] Long-term oil prices are based on US$70/bbl (2022 real terms) from 2026 and prices are escalated at 2.0% onwards.
[2] Long-term gas prices are based on US$2.6/MMBtu (2022 real terms) from 2026 and US$3.2/MMBtu (2022 real terms) from 2030. All long-term prices are escalated at 2.0%.