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Segmental information - Reconciliation of underlying EBITDA to profit after taxation (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Disclosure of operating segments [line items] |  |  |  |
Profit after tax for the period | $ 4,947 | $ 9,448 | [1] |
Taxation | 1,983 | 2,867 | [1] |
Profit before taxation | 6,930 | 12,315 | [1] |
Depreciation and amortisation in subsidiaries excluding capitalised depreciation | 2,405 | 2,405 |  |
Depreciation and amortisation in equity accounted units | 238 | 242 |  |
Finance items in subsidiaries | 748 | 359 |  |
Taxation and finance items in equity accounted units | 373 | 363 |  |
Gains on embedded commodity derivatives not qualifying for hedge accounting (including foreign exchange) | (112) | (14) |  |
Impairment charges | 1,175 | 0 | [1] |
Change in closure estimates (non-operating and fully impaired sites) | (29) | 43 |  |
Gain recognised by Kitimat relating to LNG Canada's project | 0 | (116) |  |
Underlying EBITDA | 11,728 | 15,597 |  |
Capitalised depreciation | $ 80 | $ 54 |  |
Close down restoration and environmental |  |  |  |
Disclosure of operating segments [line items] |  |  |  |
Actuarial assumption of discount rates | 2.00% | 1.50% |  | 1.50%
[1] | Comparative information has been restated to reflect the adoption of narrow scope amendments to IAS12 'Income Taxes', refer to note 2 for details.

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