Property, Plant and Equipment (Tables)

3 Months Ended

Mar. 31, 2021

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 three months ended March 31, 2021 (in millions):

Balance at January 1, 2021	$	459
Additions to capitalized exploratory well costs pending the determination of proved reserves	17
Balance at March 31, 2021	$	476