GuarantorNon-Guarantor Subsidiary Financial Informa Guarantor Balance Sheet (Details) - USD ($) $ in Millions		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents		$ 174	$ 228
Accounts receivable		323	280
Inventory, Raw Materials, Net of Reserves		153	119
Finished Goods		292	271
Other current assets		51	50
Assets, Current		993	948
Property and equipment, net		1,167	1,075
Other Assets, Noncurrent		11	20
Deferred income taxes		11	9
Intangible assets, net		300	323
Goodwill		216	211	$ 211
Assets	[1]	2,717	2,606
Current liabilities:
Trade payables		286	238
Current installments of long-term debt		(36)	(36)
Accrued interest		12	11
Accrued income taxes		7	8
Accrued Salaries, Current		68	61
Accrued expenses and other liabilities		103	123
Liabilities, Current		512	477
Long-term debt		(1,192)	(1,167)
Other liabilities		74	73
Pension liabilities		335	341
Deferred income taxes		60	66
Liabilities		2,173	2,124
Equity (deficit):
Common Stock, Value, Outstanding		0	0
Additional paid-in capital		868	864
Accumulated deficit		(306)	(306)
Accumulated other comprehensive income		(18)	(76)	(92)
Liabilities and Equity		2,717	2,606
Total Momentive Performance Material's deficit		544	482	626	$ 769
Parent Company [Member]
Current assets:
Cash and cash equivalents		14	39
Accounts receivable		0	0
Due from Affiliates		3	0
Inventory, Raw Materials, Net of Reserves		0	0
Finished Goods		0	0
Other current assets		0	0
Assets, Current		17	39
Property and equipment, net		0	0
Other Assets, Noncurrent		0	0
Deferred income taxes		0	0
Investment in affiliates		1,640	1,556
Intercompany borrowing		288	264
Intangible assets, net		0	0
Goodwill		0	0
Assets		1,945	1,859
Due From Intercompany Borrowing, Noncurrent		288	264
Current liabilities:
Trade payables		0	0
Due to affiliates		0	0
Current installments of long-term debt		0	0
Accrued interest		12	11
Accrued income taxes		0	0
Accrued Salaries, Current		0	0
Accrued expenses and other liabilities		0	0
Liabilities, Current		12	11
Long-term debt		(1,192)	(1,167)
Other liabilities		0	0
Pension liabilities		0	0
Due To Intercompany Borrowing, Noncurrent		196	197
Deferred income taxes		0	0
Liabilities		1,400	1,375
Equity (deficit):
Total deficit		545	484
Liabilities and Equity		1,945	1,859
Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents		1	1
Accounts receivable		94	77
Due from Affiliates		62	86
Inventory, Raw Materials, Net of Reserves		76	71
Finished Goods		132	118
Other current assets		11	16
Assets, Current		376	369
Property and equipment, net		546	526
Other Assets, Noncurrent		1	1
Deferred income taxes		0	0
Investment in affiliates		339	257
Intercompany borrowing		978	927
Intangible assets, net		122	136
Goodwill		105	105
Assets		2,467	2,321
Due From Intercompany Borrowing, Noncurrent		978	927
Current liabilities:
Trade payables		95	64
Due to affiliates		40	41
Current installments of long-term debt		0	0
Accrued interest		0	0
Accrued income taxes		0	0
Accrued Salaries, Current		39	35
Accrued expenses and other liabilities		33	41
Liabilities, Current		207	181
Long-term debt		0	0
Other liabilities		14	15
Pension liabilities		137	168
Due To Intercompany Borrowing, Noncurrent		469	401
Deferred income taxes		0	0
Liabilities		827	765
Equity (deficit):
Total deficit		1,640	1,556
Liabilities and Equity		2,467	2,321
Non-guarantor subsidiaries [Member]
Current assets:
Cash and cash equivalents		159	188
Accounts receivable		229	203
Due from Affiliates		40	41
Inventory, Raw Materials, Net of Reserves		77	48
Finished Goods		160	153
Other current assets		40	34
Assets, Current		705	667
Property and equipment, net		621	549
Other Assets, Noncurrent		10	19
Deferred income taxes		11	9
Investment in affiliates		19	20
Intercompany borrowing		116	51
Intangible assets, net		178	187
Goodwill		111	106
Assets		1,771	1,608
Due From Intercompany Borrowing, Noncurrent		116	51
Current liabilities:
Trade payables		191	174
Due to affiliates		65	86
Current installments of long-term debt		(36)	(36)
Accrued interest		0	0
Accrued income taxes		7	8
Accrued Salaries, Current		29	26
Accrued expenses and other liabilities		69	81
Liabilities, Current		397	411
Long-term debt		0	0
Other liabilities		60	57
Pension liabilities		198	173
Due To Intercompany Borrowing, Noncurrent		717	644
Deferred income taxes		60	66
Liabilities		1,432	1,351
Equity (deficit):
Total deficit		339	257
Liabilities and Equity		1,771	1,608
MPM Inc [Member]
Current assets:
Cash and cash equivalents		174	228
Accounts receivable		323	280
Due from Affiliates		0	0
Inventory, Raw Materials, Net of Reserves		153	119
Finished Goods		292	271
Other current assets		51	50
Assets, Current		993	948
Property and equipment, net		1,167	1,075
Other Assets, Noncurrent		11	20
Deferred income taxes		11	9
Investment in affiliates		19	20
Intercompany borrowing		0	0
Intangible assets, net		300	323
Goodwill		216	211
Assets		2,717	2,606
Due From Intercompany Borrowing, Noncurrent		0	0
Current liabilities:
Trade payables		286	238
Due to affiliates		0	0
Current installments of long-term debt		(36)	(36)
Accrued interest		12	11
Accrued income taxes		7	8
Accrued Salaries, Current		68	61
Accrued expenses and other liabilities		102	122
Liabilities, Current		511	476
Long-term debt		(1,192)	(1,167)
Other liabilities		74	72
Pension liabilities		335	341
Due To Intercompany Borrowing, Noncurrent		0	0
Deferred income taxes		60	66
Liabilities		2,172	2,122
Equity (deficit):
Common Stock, Value, Outstanding		0	0
Additional paid-in capital		866	863
Accumulated deficit		(303)	(303)
Accumulated other comprehensive income		(18)	(76)
Total deficit		545	484
Liabilities and Equity		2,717	2,606
Total Momentive Performance Material's deficit		545	484	$ 626	$ 769
Consolidation, Eliminations [Member]
Current assets:
Cash and cash equivalents		0	0
Accounts receivable		0	0
Due from Affiliates		(105)	(127)
Inventory, Raw Materials, Net of Reserves		0	0
Finished Goods		0	0
Assets, Current		(105)	(127)
Property and equipment, net		0	0
Other Assets, Noncurrent		0	0
Deferred income taxes		0	0
Investment in affiliates		(1,979)	(1,813)
Intercompany borrowing		(1,382)	(1,242)
Intangible assets, net		0	0
Goodwill		0	0
Assets		(3,466)	(3,182)
Due From Intercompany Borrowing, Noncurrent		(1,382)	(1,242)
Current liabilities:
Trade payables		0	0
Due to affiliates		(105)	(127)
Current installments of long-term debt		0	0
Accrued interest		0	0
Accrued income taxes		0	0
Accrued Salaries, Current		0	0
Accrued expenses and other liabilities		0	0
Liabilities, Current		(105)	(127)
Long-term debt		0	0
Other liabilities		0	0
Pension liabilities		0	0
Due To Intercompany Borrowing, Noncurrent		(1,382)	(1,242)
Deferred income taxes		0	0
Liabilities		(1,487)	(1,369)
Equity (deficit):
Total deficit		(1,979)	(1,813)
Liabilities and Equity		$ (3,466)	$ (3,182)

[1] Deferred income tax assets are included within Corporate as reconciling amounts to the Company's total assets as presented on the Consolidated Balance Sheets.