Segment and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2018

Segment Reporting [Abstract]

Segment Reporting Information

	Year Ended December 31,
	2018			2017			2016
Net external sales
Olefins
Polyethylene	$	1,519		$	1,518		$	1,463
Styrene, feedstock and other	500			533			431
Total olefins	2,019			2,051			1,894
Vinyls
PVC, caustic soda and other	5,359			4,769			2,493
Building products	1,257			1,221			689
Total vinyls	6,616			5,990			3,182
	$	8,635		$	8,041		$	5,076
Intersegment sales
Olefins	$	500		$	393		$	165
Vinyls	2			1			26
	$	502		$	394		$	191
Income (loss) from operations
Olefins	$	573		$	655		$	558
Vinyls	913			639			176
Corporate and other	(78		)	(69		)	(151		)
	$	1,408		$	1,225		$	583
Depreciation and amortization
Olefins	$	138		$	145		$	136
Vinyls	491			449			238
Corporate and other	12			7			4
	$	641		$	601		$	378
Other income, net
Olefins	$	4		$	3		$	5
Vinyls	35			7			1
Corporate and other	13			5			48
	$	52		$	15		$	54
Provision for (benefit from) income taxes
Olefins	$	128		$	63		$	175
Vinyls	212			(302		)	25
Corporate and other	(40		)	(19		)	(62		)
	$	300		$	(258	)	$	138
Capital expenditures
Olefins	$	110		$	97		$	324
Vinyls	585			459			302
Corporate and other	7			21			3
	$	702		$	577		$	629

Reconciliation Of Total Segment Income From Operations To Consolidated Income Before Income Taxes

	Year Ended December 31,
	2018			2017			2016
Income from operations for reportable segments	$	1,408		$	1,225		$	583
Interest expense	(126		)	(159		)	(79		)
Other income, net	52			15			54
Income before income taxes	$	1,334		$	1,081		$	558

Total Assets

	December 31, 2018		December 31, 2017
Total assets
Olefins	$	2,024	$	2,006
Vinyls	8,879		8,853
Corporate and other	699		1,217
	$	11,602	$	12,076

Geographic Information For Sales To External Customers And Long-Lived Assets

Geographic Information

	Year Ended December 31,
	2018		2017		2016
Net sales to external customers (1)
United States	$	6,114	$	5,739	$	3,526
Foreign
Canada	649		653		317
Germany	500		432		402
China	155		104		87
Italy	105		96		84
Taiwan	102		96		25
Other	1,010		921		635
	$	8,635	$	8,041	$	5,076

	December 31, 2018		December 31, 2017
Long-lived assets
United States	$	5,829	$	5,668
Foreign
Germany	528		504
Other	238		240
	$	6,595	$	6,412

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(1) Net sales are attributed to countries based on location of customer.