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Net operating costs (excluding items disclosed separately) (Detail) - USD ($)
$ in Millions
 12 Months Ended
Aug. 02, 2022
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of attribution of expenses by nature to their function [line items]        
Raw materials, consumables, repairs and maintenance   $ 12,115 $ 12,019 $ 12,477
Amortisation of intangible assets   138 124 159
Depreciation of property, plant and equipment   5,780 5,210 4,851
Employment costs   7,055 6,636 6,002
Shipping and other freight costs   2,942 2,781 3,146
Decrease in finished goods and work in progress   2,407 1,152 803
Royalties   2,938 3,135 2,994
Amounts charged by equity accounted units   875 1,163 1,429
Net foreign exchange gains   (193) (47) (42)
Gain on sale of the Cortez royalty   0 0 (432)
Gains recognised by Kitimat relating to LNG Canada's project   0 0 (116)
Provisions (including exchange differences on provisions)   398 1,491 1,006
Research and development   398 245 76
Other external costs   5,037 5,295 4,161
Costs included above capitalised or shown on a separate line item   (1,203) (1,331) (722)
Other operating income   (942) (821) (1,022)
Net operating costs (excluding items disclosed separately)   37,745 37,052 34,770
Sales of financial assets [1]   677 1,220 892
Payments for short-term leases   217 269 465
Payments for variable lease components   46 40 50
Operating costs capitalised   923 1,007 485
Exploration and evaluation costs   220 247 190
Research and development costs within operating costs   60 77 47
Decarbonisation spend   306 234 138
Operating decarbonisation spend included in net operating costs (excluding items disclosed separately   $ 253 $ 182 $ 88
Cortez Royalty        
Disclosure of attribution of expenses by nature to their function [line items]        
Sales of financial assets $ 525      
[1] In 2024, we received net proceeds of US$675 million (2023: US$1,157 million and 2022: US$352 million) from our sales and purchases of investments within a separately managed portfolio
of fixed income instruments. Refer to note 19 for details. Purchases and sales of these securities are reported on a net cash flow basis within “Sales of financial assets” or “Purchases of
financial assets” depending on the overall net position at each reporting date.