Consolidated Balance Sheets - USD ($) $ in Millions		Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents		$ 174	$ 228
Accounts receivable (net of allowance for doubtful accounts)		323	280
Inventory, Raw Materials, Net of Reserves		153	119
Inventory, Finished Goods, Net of Reserves		292	271
Other Assets, Current		51	50
Assets, Current		993	948
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent		11	9
Other Assets, Noncurrent		11	20
Property, Plant and Equipment, Net		1,167	1,075
Goodwill		216	211
Intangible Assets, Net (Excluding Goodwill)		300	323
Equity Method Investments		19	20
Land		77	74
Buildings and Improvements, Gross		338	307
Machinery and Equipment, Gross		1,135	959
Property, Plant and Equipment, Gross		1,550	1,340
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment		(383)	(265)
Assets	[1]	2,717	2,606
Current liabilities:
Trade payables		286	238
Long-term Debt, Current Maturities		36	36
Accrued expenses and other liabilities		103	123
Accrued income taxes		7	8
Accrued Salaries, Current		68	61
Interest and Dividends Payable, Current		12	11
Liabilities, Current		512	477
Liabilities, Noncurrent
Pension and Other Postretirement and Postemployment Benefit Plans, Liabilities		335	341
Deferred Tax Liabilities, Net, Noncurrent		60	66
Other Liabilities, Noncurrent		74	73
Long-term Debt, Excluding Current Maturities		1,192	1,167
Liabilities		2,173	2,124
Deficit:
Common Stock, Value, Outstanding		0	0
Additional paid-in capital		868	864
Accumulated deficit		(306)	(306)
Accumulated other comprehensive income		(18)	(76)
Total Momentive Performance Material's deficit		544	482
Liabilities and Equity		2,717	2,606
MPM Inc [Member]
Current assets:
Cash and cash equivalents		174	228
Accounts receivable (net of allowance for doubtful accounts)		323	280
Due from Affiliates		0	0
Inventory, Raw Materials, Net of Reserves		153	119
Inventory, Finished Goods, Net of Reserves		292	271
Other Assets, Current		51	50
Assets, Current		993	948
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures		19	20
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent		11	9
Other Assets, Noncurrent		11	20
Due From Intercompany Borrowing, Noncurrent		0	0
Property, Plant and Equipment, Net		1,167	1,075
Goodwill		216	211
Intangible Assets, Net (Excluding Goodwill)		300	323
Equity Method Investments		19	20
Land		77	74
Buildings and Improvements, Gross		338	307
Machinery and Equipment, Gross		1,135	959
Property, Plant and Equipment, Gross		1,550	1,340
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment		(383)	(265)
Assets		2,717	2,606
Current liabilities:
Trade payables		286	238
Due to Affiliate, Current		0	0
Long-term Debt, Current Maturities		36	36
Accrued expenses and other liabilities		102	122
Accrued income taxes		7	8
Accrued Salaries, Current		68	61
Interest and Dividends Payable, Current		12	11
Liabilities, Current		511	476
Liabilities, Noncurrent
Due To Intercompany Borrowing, Noncurrent		0	0
Pension and Other Postretirement and Postemployment Benefit Plans, Liabilities		335	341
Deferred Tax Liabilities, Net, Noncurrent		60	66
Other Liabilities, Noncurrent		74	72
Long-term Debt, Excluding Current Maturities		1,192	1,167
Liabilities		2,172	2,122
Deficit:
Stockholders' Equity Attributable to Parent		545	484
Common Stock, Value, Outstanding		0	0
Additional paid-in capital		866	863
Accumulated deficit		(303)	(303)
Accumulated other comprehensive income		(18)	(76)
Total Momentive Performance Material's deficit		545	484
Liabilities and Equity		2,717	2,606
Parent Company [Member]
Current assets:
Cash and cash equivalents		14	39
Accounts receivable (net of allowance for doubtful accounts)		0	0
Due from Affiliates		3	0
Inventory, Raw Materials, Net of Reserves		0	0
Inventory, Finished Goods, Net of Reserves		0	0
Other Assets, Current		0	0
Assets, Current		17	39
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures		1,640	1,556
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent		0	0
Other Assets, Noncurrent		0	0
Due From Intercompany Borrowing, Noncurrent		288	264
Property, Plant and Equipment, Net		0	0
Goodwill		0	0
Intangible Assets, Net (Excluding Goodwill)		0	0
Assets		1,945	1,859
Current liabilities:
Trade payables		0	0
Due to Affiliate, Current		0	0
Long-term Debt, Current Maturities		0	0
Accrued expenses and other liabilities		0	0
Accrued income taxes		0	0
Accrued Salaries, Current		0	0
Interest and Dividends Payable, Current		12	11
Liabilities, Current		12	11
Liabilities, Noncurrent
Due To Intercompany Borrowing, Noncurrent		196	197
Pension and Other Postretirement and Postemployment Benefit Plans, Liabilities		0	0
Deferred Tax Liabilities, Net, Noncurrent		0	0
Other Liabilities, Noncurrent		0	0
Long-term Debt, Excluding Current Maturities		1,192	1,167
Liabilities		1,400	1,375
Deficit:
Stockholders' Equity Attributable to Parent		545	484
Liabilities and Equity		1,945	1,859
Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents		1	1
Accounts receivable (net of allowance for doubtful accounts)		94	77
Due from Affiliates		62	86
Inventory, Raw Materials, Net of Reserves		76	71
Inventory, Finished Goods, Net of Reserves		132	118
Other Assets, Current		11	16
Assets, Current		376	369
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures		339	257
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent		0	0
Other Assets, Noncurrent		1	1
Due From Intercompany Borrowing, Noncurrent		978	927
Property, Plant and Equipment, Net		546	526
Goodwill		105	105
Intangible Assets, Net (Excluding Goodwill)		122	136
Assets		2,467	2,321
Current liabilities:
Trade payables		95	64
Due to Affiliate, Current		40	41
Long-term Debt, Current Maturities		0	0
Accrued expenses and other liabilities		33	41
Accrued income taxes		0	0
Accrued Salaries, Current		39	35
Interest and Dividends Payable, Current		0	0
Liabilities, Current		207	181
Liabilities, Noncurrent
Due To Intercompany Borrowing, Noncurrent		469	401
Pension and Other Postretirement and Postemployment Benefit Plans, Liabilities		137	168
Deferred Tax Liabilities, Net, Noncurrent		0	0
Other Liabilities, Noncurrent		14	15
Long-term Debt, Excluding Current Maturities		0	0
Liabilities		827	765
Deficit:
Stockholders' Equity Attributable to Parent		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 (net of allowance for doubtful accounts)		229	203
Due from Affiliates		40	41
Inventory, Raw Materials, Net of Reserves		77	48
Inventory, Finished Goods, Net of Reserves		160	153
Other Assets, Current		40	34
Assets, Current		705	667
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures		19	20
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent		11	9
Other Assets, Noncurrent		10	19
Due From Intercompany Borrowing, Noncurrent		116	51
Property, Plant and Equipment, Net		621	549
Goodwill		111	106
Intangible Assets, Net (Excluding Goodwill)		178	187
Assets		1,771	1,608
Current liabilities:
Trade payables		191	174
Due to Affiliate, Current		65	86
Long-term Debt, Current Maturities		36	36
Accrued expenses and other liabilities		69	81
Accrued income taxes		7	8
Accrued Salaries, Current		29	26
Interest and Dividends Payable, Current		0	0
Liabilities, Current		397	411
Liabilities, Noncurrent
Due To Intercompany Borrowing, Noncurrent		717	644
Pension and Other Postretirement and Postemployment Benefit Plans, Liabilities		198	173
Deferred Tax Liabilities, Net, Noncurrent		60	66
Other Liabilities, Noncurrent		60	57
Long-term Debt, Excluding Current Maturities		0	0
Liabilities		1,432	1,351
Deficit:
Stockholders' Equity Attributable to Parent		339	257
Liabilities and Equity		1,771	1,608
Consolidation, Eliminations [Member]
Current assets:
Cash and cash equivalents		0	0
Accounts receivable (net of allowance for doubtful accounts)		0	0
Due from Affiliates		(105)	(127)
Inventory, Raw Materials, Net of Reserves		0	0
Inventory, Finished Goods, Net of Reserves		0	0
Assets, Current		(105)	(127)
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures		(1,979)	(1,813)
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent		0	0
Other Assets, Noncurrent		0	0
Due From Intercompany Borrowing, Noncurrent		(1,382)	(1,242)
Property, Plant and Equipment, Net		0	0
Goodwill		0	0
Intangible Assets, Net (Excluding Goodwill)		0	0
Assets		(3,466)	(3,182)
Current liabilities:
Trade payables		0	0
Due to Affiliate, Current		(105)	(127)
Long-term Debt, Current Maturities		0	0
Accrued expenses and other liabilities		0	0
Accrued income taxes		0	0
Accrued Salaries, Current		0	0
Interest and Dividends Payable, Current		0	0
Liabilities, Current		(105)	(127)
Liabilities, Noncurrent
Due To Intercompany Borrowing, Noncurrent		(1,382)	(1,242)
Pension and Other Postretirement and Postemployment Benefit Plans, Liabilities		0	0
Deferred Tax Liabilities, Net, Noncurrent		0	0
Other Liabilities, Noncurrent		0	0
Long-term Debt, Excluding Current Maturities		0	0
Liabilities		(1,487)	(1,369)
Deficit:
Stockholders' Equity Attributable to Parent		(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.