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Changes in the balances of capitalized costs directly associated with exploratory wells pending determination of proved reserves and the balance of amounts paid for obtaining rights and concessions for exploration of oil and natural gas (capitalized acqui (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Property plant and equipment    
Opening Balance $ 2,376 $ 3,024
Additions 95 222
Write-offs (14) (178)
Transfers (42) (145)
Cumulative translation adjustment (259) 104
Closing Balance 2,156 3,027
Intangible Assets 2,734 15,057
Capitalized Exploratory Well Costs / Capitalized Acquisition Costs $ 4,890 $ 18,084