Segment Information (Tables)

6 Months Ended

Jun. 30, 2021

Segment Reporting [Abstract]

Segment Reporting Information

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Net external sales
Vinyls
PVC, caustic soda and other	$	1,708	$	1,004	$	3,116	$	2,217
Building products	480		344		892		636
Total Vinyls	2,188		1,348		4,008		2,853
Olefins
Polyethylene	515		302		929		612
Styrene, feedstock and other	156		59		279		176
Total Olefins	671		361		1,208		788
	$	2,859	$	1,709	$	5,216	$	3,641
Intersegment sales
Vinyls	$	—	$	1	$	—	$	1
Olefins	134		36		284		104
	$	134	$	37	$	284	$	105
Income (loss) from operations
Vinyls	$	435	$	20	$	635	$	93
Olefins	277		25		457		87
Corporate and other	8		(9)		(26)		(8)
	$	720	$	36	$	1,066	$	172
Depreciation and amortization
Vinyls	$	163	$	154	$	320	$	307
Olefins	37		35		73		70
Corporate and other	2		2		4		4
	$	202	$	191	$	397	$	381
Other income, net
Vinyls	$	7	$	8	$	17	$	14
Olefins	2		—		2		1
Corporate and other	1		1		3		5
	$	10	$	9	$	22	$	20
Provision for (benefit from) income taxes
Vinyls	$	96	$	(18)	$	138	$	(96)
Olefins	63		(4)		104		37
Corporate and other	(1)		3		(12)		(1)
	$	158	$	(19)	$	230	$	(60)

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Capital expenditures
Vinyls	$	104	$	108	$	222	$	244
Olefins	24		17		47		44
Corporate and other	1		2		1		3
	$	129	$	127	$	270	$	291

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

A reconciliation of total segment income from operations to consolidated income before income taxes is as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Income from operations	$	720	$	36	$	1,066	$	172
Interest expense	(36)		(40)		(69)		(71)
Other income, net	10		9		22		20
Income before income taxes	$	694	$	5	$	1,019	$	121

Total Assets

	June 30, 2021		December 31, 2020
Total assets
Vinyls	$	11,039	$	10,680
Olefins	2,050		1,923
Corporate and other	1,630		1,232
	$	14,719	$	13,835