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Property, Plant and Equipment (Tables)
9 Months Ended
Sep. 30, 2022
Property, Plant and Equipment [Abstract]  
Net Changes in Capitalized Exploratory Well Costs
The following table discloses the net changes in capitalized exploratory well costs pending determination of proved reserves during the nine months ended September 30, 2022 (in millions):

Balance at January 1, 2022$681 
Additions to capitalized exploratory well costs pending the determination of proved reserves267 
Reclassifications to wells, facilities and equipment based on the determination of proved reserves(93)
Balance at September 30, 2022$855