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Taxes - Summary of Effective Income Tax Rate (Parenthetical) (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Pluto PRRT Deferred Tax Asset [Member]    
Disclosure Of Effective Income Tax Rate [Line Items]    
Adjustment of deferred tax of prior periods $ 637  
Increase (decrease) in deferred tax asset 637 $ 1,362
After The Final Decision [Member] | International [member] | Producing And Developing Assets [Member] | Trion [Member]    
Disclosure Of Effective Income Tax Rate [Line Items]    
Recognition of deferred tax asset $ 319