Related Party Transactions Level 4 (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended				3 Months Ended		6 Months Ended			6 Months Ended				3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended		12 Months Ended			3 Months Ended		6 Months Ended				3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Jun. 30, 2013 Apollo [Member]	Jun. 30, 2012 Apollo [Member]	Jun. 30, 2013 Apollo [Member]	Jun. 30, 2012 Apollo [Member]	Jun. 30, 2013 Momentive Performance Materials Inc. [Member]	Jun. 30, 2012 Momentive Performance Materials Inc. [Member]	Jun. 30, 2013 Apollo Affiliates and Other Related Parties [Member]	Jun. 30, 2012 Apollo Affiliates and Other Related Parties [Member]	Jun. 30, 2013 Apollo Affiliates and Other Related Parties [Member]	Jun. 30, 2012 Apollo Affiliates and Other Related Parties [Member]	Dec. 31, 2012 Apollo Affiliates and Other Related Parties [Member]	Jun. 30, 2013 Apollo Global Securities [Member]	Jun. 30, 2012 Apollo Global Securities [Member]	Jun. 30, 2013 Momentive Specialty Chemicals Holdings LLC [Member]	Jan. 31, 2013 Momentive Specialty Chemicals Holdings LLC [Member]	Jun. 30, 2013 Momentive Performance Materials Inc. [Member]	Jun. 30, 2012 Momentive Performance Materials Inc. [Member]	Jun. 30, 2013 Momentive Performance Materials Inc. [Member]	Jun. 30, 2012 Momentive Performance Materials Inc. [Member]	Jun. 30, 2013 Momentive Performance Materials Holdings LLC [Member]	Jun. 30, 2012 Momentive Performance Materials Holdings LLC [Member]	Jun. 30, 2013 Momentive Performance Materials Holdings LLC [Member]	Jun. 30, 2012 Momentive Performance Materials Holdings LLC [Member]	Dec. 31, 2012 Momentive Performance Materials Holdings LLC [Member]	Jun. 30, 2013 HAI [Member]	Jun. 30, 2012 HAI [Member]	Jun. 30, 2013 HAI [Member]	Jun. 30, 2012 HAI [Member]	Dec. 31, 2012 HAI [Member]	Jun. 30, 2013 Russian Joint Venture [Member]	Dec. 31, 2012 Russian Joint Venture [Member]	Jun. 30, 2013 Momentive Specialty Chemicals Inc. [Member]	Jun. 30, 2012 Momentive Specialty Chemicals Inc. [Member]	Jun. 30, 2013 Momentive Specialty Chemicals Inc. [Member]	Jun. 30, 2012 Momentive Specialty Chemicals Inc. [Member]	Jun. 30, 2013 Maximum [Member] Momentive Performance Materials Inc. [Member]	Dec. 31, 2012 Maximum [Member] Momentive Performance Materials Inc. [Member]	Jun. 30, 2013 Maximum [Member] Momentive Performance Materials Inc. [Member]	Jun. 30, 2012 Maximum [Member] Momentive Performance Materials Inc. [Member]	Jun. 30, 2013 Maximum [Member] Momentive Performance Materials Inc. [Member]	Jun. 30, 2012 Maximum [Member] Momentive Performance Materials Inc. [Member]	Dec. 31, 2012 Maximum [Member] Momentive Performance Materials Inc. [Member]	Jun. 30, 2013 Maximum [Member] Momentive Performance Materials Holdings LLC [Member]	Jun. 30, 2013 Maximum [Member] Russian Joint Venture [Member]	Dec. 31, 2012 Maximum [Member] Russian Joint Venture [Member]	Jan. 31, 2013 6.625% First Priority Senior Notes Due 2020 [Member]	Mar. 14, 2012 6.625% First Priority Senior Notes Due 2020 [Member]
Related Party Transaction [Line Items]
Notes Receivable, Related Parties, Current																																																	$ 1	$ 1
Annual management consulting fee								3
Annual management consulting fee percentage								2.00%
Shared Services Costs Incurred by MSC																																							61	79
Shared Services Costs Incurred by MPM										46	75
Shared Services Billings - MSC to MPM																																							14	9
Realized Cost Savings From Shared Services										5	12
Due to Related Parties												1		1		4					1		1						4	6		6		6							1	1					1	1
Long-term debt																																																			1,100	450
Fees and Commissions																	1	1
Related Party Costs						1	1	2	2
Face value of the outstanding paid in kind debt facility																			180
Note receivable from parent	0		0		24														24
Non-cash distribution declared to parent			208	0															208
Long-term Debt																				247
Revenue from Related Parties												36	4	66	5															26	28	53	56										1	1	1	1
Equity Method Investment, Ownership Percentage																														50.00%		50.00%
Due from Related Parties										2		23		23		26														18		18		16								1
Purchases From Related Parties												32	9	66	16						1	2	2	3						10	14	31	24
Cash Dividends Declared to Parent Company by Unconsolidated Subsidiaries																														8	3	15	13
Dividends Receivable																														3		3
Carrying Value of Assets of HAI																														62		62		52
Carrying Value of Liabilities of HAI																														28		28		18
Future price concessions																														16		16
Income (Loss) from Equity Method Investments	3	6	7	11																														8			(42)	25	(50)	(4)
Accounts Receivable, Related Parties, Current																																			5	5
Billings from Parent Company