Related Party Transactions Level 4 (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Related Party Transaction [Line Items]
Note receivable from parent	$ 0		$ 24
Apollo [Member]
Related Party Transaction [Line Items]
Annual management consulting fee	3
Annual management consulting fee percentage	2.00%
Related Party Costs	1	1
Momentive Performance Materials Inc. [Member]
Related Party Transaction [Line Items]
Shared Services Costs Incurred by MPM	23	39
Realized Cost Savings From Shared Services	3	7
Due from Related Parties	1		1
Due to Related Parties	1		1
Apollo Affiliates and Other Related Parties [Member]
Related Party Transaction [Line Items]
Due from Related Parties	11		26
Due to Related Parties	1		4
Net Sales to Related Parties	30
Purchases From Related Parties	34	7
MSC Holdings LLC [Member]
Related Party Transaction [Line Items]
Face value of the outstanding paid in kind debt facility	180
Note receivable from parent	24
Momentive Performance Materials Inc. [Member]
Related Party Transaction [Line Items]
Due from Related Parties	1		1
Due to Related Parties	1		1
Net Sales to Related Parties	1	1
Purchases From Related Parties	1	1
Momentive Performance Materials Holdings LLC [Member]
Related Party Transaction [Line Items]
Due to Related Parties	0		4
Billings from Parent Company
HAI [Member]
Related Party Transaction [Line Items]
Due from Related Parties	18		16
Due to Related Parties	4		6
Net Sales to Related Parties	27	28
Purchases From Related Parties	21	10
Cash Dividends Declared to Parent Company by Unconsolidated Subsidiaries	8	10
Carrying Value of Assets of HAI	47		52
Carrying Value of Liabilities of HAI	23		18
Russian Joint Venture [Member]
Related Party Transaction [Line Items]
Accounts Receivable, Related Parties, Current	5		5
Momentive Specialty Chemicals Inc. [Member]
Related Party Transaction [Line Items]
Shared Services Costs Incurred by MSC	33	41
Shared Services Billings - MSC to MPM	6	5
Maximum [Member] \| Apollo Affiliates and Other Related Parties [Member]
Related Party Transaction [Line Items]
Net Sales to Related Parties		1
Maximum [Member] \| Russian Joint Venture [Member]
Related Party Transaction [Line Items]
Notes Receivable, Related Parties, Current	$ 1		$ 1

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