Property, Plant and Equipment (Tables)

9 Months Ended

Sep. 30, 2014

Property Plant And Equipment [Abstract]

Net Changes in Capitalized Exploratory Well Costs

Capitalized Exploratory Well Costs: The following table discloses the net changes in capitalized exploratory well costs pending determination of proved reserves for the nine months ended September 30, 2014 (in millions):

Balance at January 1	$	2,045
Additions to capitalized exploratory well costs pending the determination of proved reserves		184
Reclassifications to wells, facilities and equipment based on the determination of proved reserves		(28	)
Capitalized exploratory well costs charged to expense		(236	)
Dispositions and other		(57	)
Balance at September 30, 2014	$	1,908

- Definition

Tabular disclosure of the aggregate of costs (whether the costs are capitalized or charged to expense at the time they are incurred ) incurred for the year in oil and gas property acquisition, exploration and development activities.

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