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Taxes - Summary of Components of Income Tax Expense (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Major components of tax expense (income) [abstract]      
Income tax expense/(benefit) $ 2,912 $ 957 $ (1,026)
Tax expense/(benefit) 2,599 1,254 (1,465)
Petroleum Resource Rent Tax [member]      
Major components of tax expense (income) [abstract]      
Current tax expense 501 0 0
Deferred tax (benefit)/expense (814) 297 (439)
Income tax expense/(benefit) (313) 297 (439)
Income Tax [member]      
Major components of tax expense (income) [abstract]      
Current tax expense 2,256 658 275
Deferred tax (benefit)/expense 701 301 (1,308)
Current tax (benefit)/expense (276) (20) 16
Deferred tax expense/(benefit) 231 18 (9)
Income tax expense/(benefit) $ 2,912 $ 957 $ (1,026)