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Asset retirement obligations (Tables)
 12 Months Ended
Dec. 31, 2024
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Asset Retirement Obligations
ARO costs related to accretion of the Company’s liabilities and the depreciation of the related assets for the years ended December 31 were:
in $ millions202420232022
Accretion91211
Depreciation122746
Total costs213957