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Impairment Charges and Reversals - Crude Oil and Forward Crack Spreads (Details)
Dec. 31, 2024
share
WTI | 1 Year  
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]  
Long-term price assumptions used to determine future cash flows 77.68
WTI | 2 Years  
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]  
Long-term price assumptions used to determine future cash flows 77.07
WTI | 3 Years  
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]  
Long-term price assumptions used to determine future cash flows 78.74
WTI | 4 Years  
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]  
Long-term price assumptions used to determine future cash flows 81.51
WTI | 5 Years  
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]  
Long-term price assumptions used to determine future cash flows 83.14
WTI-WCS | 1 Year  
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]  
Long-term price assumptions used to determine future cash flows (14.17)
WTI-WCS | 2 Years  
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]  
Long-term price assumptions used to determine future cash flows (15.34)
WTI-WCS | 3 Years  
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]  
Long-term price assumptions used to determine future cash flows (15.71)
WTI-WCS | 4 Years  
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]  
Long-term price assumptions used to determine future cash flows (16.62)
WTI-WCS | 5 Years  
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]  
Long-term price assumptions used to determine future cash flows (17.11)
Chicago 3-2-1 Crack Spread | 1 Year  
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]  
Long-term price assumptions used to determine future cash flows 20.01
Chicago 3-2-1 Crack Spread | 2 Years  
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]  
Long-term price assumptions used to determine future cash flows 21.97
Chicago 3-2-1 Crack Spread | 3 Years  
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]  
Long-term price assumptions used to determine future cash flows 22.60
Chicago 3-2-1 Crack Spread | 4 Years  
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]  
Long-term price assumptions used to determine future cash flows 23.87
Chicago 3-2-1 Crack Spread | 5 Years  
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]  
Long-term price assumptions used to determine future cash flows 24.66
Renewable Identification Numbers | 1 Year  
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]  
Long-term price assumptions used to determine future cash flows 6.79
Renewable Identification Numbers | 2 Years  
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]  
Long-term price assumptions used to determine future cash flows 7.31
Renewable Identification Numbers | 3 Years  
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]  
Long-term price assumptions used to determine future cash flows 8.05
Renewable Identification Numbers | 4 Years  
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]  
Long-term price assumptions used to determine future cash flows 8.69
Renewable Identification Numbers | 5 Years  
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]  
Long-term price assumptions used to determine future cash flows 9.03