Revenue (Tables)

6 Months Ended

Jun. 30, 2018

Revenue From Contract With Customer [Abstract]

Summary of Revenue from Contracts with Customers on a Disaggregated Basis

Revenue from contracts with customers on a disaggregated basis was as follows:

	Exploration and Production												Midstream		Eliminations			Total
	United States			Europe		Africa		Asia		E&P Total
For the Three Months Ended June 30, 2018	(In millions)
Sales of our net production volumes:
Crude oil revenue	$	692		$	19	$	110	$	28	$	849		$	—	$	—		$	849
Natural gas liquids revenue		75			—		—		—		75			—		—			75
Natural gas revenue		37			2		7		165		211			—		—			211
Sales of purchased oil and gas		424			—		22		—		446			—		—			446
Intercompany revenue		—			—		—		—		—			176		(176	)		—
Total revenues from contracts with customers		1,228			21		139		193		1,581			176		(176	)		1,581
Other operating revenue (a)		(47	)		—		—		—		(47	)		—		—			(47	)
Total sales and other operating revenues	$	1,181		$	21	$	139	$	193	$	1,534		$	176	$	(176	)	$	1,534

(a) Includes gains (losses) on commodity derivatives.

	Exploration and Production												Midstream		Eliminations			Total
	United States			Europe		Africa		Asia		E&P Total
For the Six Months Ended June 30, 2018	(In millions)
Sales of our net production volumes:
Crude oil revenue	$	1,285		$	52	$	209	$	71	$	1,617		$	—	$	—		$	1,617
Natural gas liquids revenue		146			—		—		—		146			—		—			146
Natural gas revenue		76			5		15		293		389			—		—			389
Sales of purchased oil and gas		749			—		46		14		809			—		—			809
Intercompany revenue		—			—		—		—		—			343		(343	)		—
Total revenues from contracts with customers		2,256			57		270		378		2,961			343		(343	)		2,961
Other operating revenue (a)		(81	)		—		—		—		(81	)		—		—			(81	)
Total sales and other operating revenues	$	2,175		$	57	$	270	$	378	$	2,880		$	343	$	(343	)	$	2,880

(a) Includes gains (losses) on commodity derivatives.