Related Party Transactions Level 4 (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Related Party Transaction [Line Items]
sales to joint venture	$ 4	$ 12
Due from Joint Ventures	4		$ 10
due to joint ventures	3		2
Apollo [Member]
Related Party Transaction [Line Items]
Annual management consulting fee	$ 3
Annual management consulting fee percentage	2.00%
Related Party Costs	$ 1	1
Subsidiary of Common Parent [Member]
Related Party Transaction [Line Items]
Shared Services Costs Incurred by MPM	16	25
Apollo Affiliates and Other Related Parties [Member]
Related Party Transaction [Line Items]
Revenue from Related Parties	4	23
Momentive Performance Materials Inc. [Member]
Related Party Transaction [Line Items]
Due to Related Parties			1
Purchases From Related Parties	1	2
Purchases Related to Distribution Agreement	7	7
Revenues from distribution agreement	1
AP related to distribution agreement	2		2
HAI [Member]
Related Party Transaction [Line Items]
Due to Related Parties	1		1
Revenue from Related Parties	$ 16	21
Equity Method Investment, Ownership Percentage	50.00%
Due from Related Parties	$ 1		1
Purchases From Related Parties	3	5
Cash Dividends Declared to Parent Company by Unconsolidated Subsidiaries	4	4
Future price concessions	16
settlement discounts issued to related party	1	1
Settlements Outstanding			1
Russian Joint Venture [Member]
Related Party Transaction [Line Items]
Accounts Receivable, Related Parties, Current	2		2
Loans and Leases Receivable, Related Parties	6		6
Hexion Inc. [Member]
Related Party Transaction [Line Items]
Shared Services Costs Incurred by Hexion	27	31
Shared Services Billings - Hexion to MPM	9	17
Maximum [Member]
Related Party Transaction [Line Items]
Purchases from JV	4	12
Maximum [Member] \| Subsidiary of Common Parent [Member]
Related Party Transaction [Line Items]
Due from Related Parties	3		7
Maximum [Member] \| Apollo Affiliates and Other Related Parties [Member]
Related Party Transaction [Line Items]
Due to Related Parties	1		1
Purchases From Related Parties	1	1
Maximum [Member] \| Momentive Performance Materials Inc. [Member]
Related Party Transaction [Line Items]
Due to Related Parties	1
Revenue from Related Parties	1	$ 1
Due from Related Parties	$ 1		$ 1

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Annual management consulting fee

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Amount of receivables arising from transactions with related parties due within one year or the normal operating cycle, if longer.

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For an unclassified balance sheet, amounts due from an entity in which the reporting entity shares joint control with another party or group.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Direct costs arising from transactions with related parties who are not affiliates or joint Ventures. These costs are categorized as cost of goods sold.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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