Segment Information Level 4 (Details) - Reconciliation of Segment EBITDA to Net Income - USD ($) $ in Millions		6 Months Ended		12 Months Ended
	Jul. 01, 2019	Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Net loss		$ (89)	$ 2,894	$ (162)	$ (234)
Net Income (Loss) Attributable to Noncontrolling Interest		1	1	(1)	0
Net (loss) income		(88)	2,895	(163)	(234)
Income tax expense		(9)	222	40	18
Interest Expense		55	89	365	329
Depreciation and Amortization, including Accelerated Depreciation		110	52	117	129
Earnings before Interest, Taxes, Depreciation, and Amortization		68	3,258	359	242
Other Asset Impairment Charges		0	0	32	13
Business realignment costs		24	15	29	52
Unrealized and realized foreign currency losses excluded from EBITDA		5	(6)	27	3
Gain on Disposition		0	0	44	0
Loss on extinguishment of debt		0	0	0	(3)
Unrealized gains (losses) on pension and OPEB plan liabilities		5	0	(13)	(4)
Professional Fees		11	26	13	8
Reorganization items, net of non-cash inventory step--up		0	(3,076)	0	0
Non-cash impact of Inventory step-up		29	(29)	0	0
Other Noncash Expense		10	9	14	16
Other		15	36	23	32
Total adjustments		99	(3,025)	81	123
Segment EBITDA [Line Items]		167	233	440	365
accelerated depreciation				4	14
EPCD [Member]
Segment Reporting Information [Line Items]
Depreciation and Amortization, including Accelerated Depreciation		57	30	69	85
Segment EBITDA [Line Items]		75	111	226	174
FPD [Member]
Segment Reporting Information [Line Items]
Depreciation and Amortization, including Accelerated Depreciation		51	20	44	40
Segment EBITDA [Line Items]	$ 18	129	152	285	257
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Depreciation and Amortization, including Accelerated Depreciation		2	2	4	4
Segment EBITDA [Line Items]		$ (37)	$ (30)	$ (71)	$ (66)