Industry Segments (Tables)

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Schedule of industry segments

The following tables present Occidental’s industry segments (in millions):

	Oil					Midstream			Corporate
	and					and			and
	Gas			Chemical		Marketing			Eliminations				Total
Three months ended September 30, 2018
Net sales	$	2,889		$	1,185	$	1,367		$	(225	)		$	5,216
Pre-tax operating profit (loss)	$	767	(a)	$	321	$	1,698	(b)	$	(207	)	(c)	$	2,579
Income taxes	—			—		—			(710		)	(d)	(710		)
Net income (loss)	$	767		$	321	$	1,698		$	(917	)		$	1,869
Three months ended September 30, 2017
Net sales	$	1,865		$	1,071	$	266		$	(203	)		$	2,999
Pre-tax operating profit (loss)	$	220		$	200	$	4		$	(149	)	(c)	$	275
Income taxes	—			—		—			(85		)	(d)	(85		)
Net income (loss)	$	220		$	200	$	4		$	(234	)		$	190

	Oil					Midstream			Corporate
	and					and			and
	Gas			Chemical		Marketing			Eliminations				Total
Nine months ended September 30, 2018
Net sales	$	7,874		$	3,515	$	2,359		$	(686	)		$	13,062
Pre-tax operating profit (loss)	$	2,297	(a)	$	936	$	2,127	(b)	$	(584	)	(c)	$	4,776
Income taxes	—			—		—			(1,351		)	(d)	(1,351		)
Net income (loss)	$	2,297		$	936	$	2,127		$	(1,935	)		$	3,425
Nine months ended September 30, 2017
Net sales	$	5,607		$	3,295	$	747		$	(633	)		$	9,016
Pre-tax operating profit (loss)	$	1,067	(e)	$	600	$	76	(f)	$	(481	)	(c)	$	1,262
Income taxes	—			—		—			(448		)	(d)	(448		)
Net income (loss)	$	1,067		$	600	$	76		$	(929	)		$	814

(a) Includes $196 million impairment related to proved properties and inventory in Qatar.

(b) Includes $902 million gain on the sale of non-core domestic midstream assets.

(c) Includes unallocated net interest expense, administration expense, environmental remediation and other items.

(d) Includes all foreign and domestic income taxes from continuing operations.

(e) Includes a gain on sale of domestic oil and gas assets, including South Texas, of $510 million.

(f) Includes a non-cash fair value gain of $94 million on the Plains equity investment.