Annual management consulting fee

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Annual management consulting fee percentage

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Settlement of affiliate loan

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Shared Services Costs Incurred by MPM

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Shared Services Costs Incurred by Hexion

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Shared Services Net Billings - Hexion to MPM

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Amount for accounts payable to related parties.

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For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

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Amounts due from owners or owners with a beneficial interest of more than 10 percent of the voting interests or officers of the company, which are usually due after 1 year (or 1 business cycle).

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For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date.

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Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2019	Jun. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Related Party Transaction [Line Items]
Shared Services Costs Incurred by Hexion						$ 15
Shared Services Costs Incurred by MPM						14
Shared Services Net Billings - Hexion to MPM						11
Loan receivable from parent				$ 10
Settlement of affiliate loan					$ 10
Apollo Affiliates and Other Related Parties [Member]
Related Party Transaction [Line Items]
Revenue from Related Parties		$ 1				1
Apollo [Member]
Related Party Transaction [Line Items]
Annual management consulting fee						$ 3
Annual management consulting fee percentage						2.00%
Other joint ventures unconsolidated [Member]
Related Party Transaction [Line Items]
Revenue from Related Parties	$ 1		$ 0	2	2
Related Party Transaction, Purchases from Related Party	1		$ 1	$ 2	1
Accounts Receivable, Related Parties	1				1		$ 1
Accounts Payable, Related Parties	0				0		1
Loans and Leases Receivable, Related Parties	$ 5				5		$ 7
Additional Paid-in Capital [Member]
Related Party Transaction [Line Items]
Settlement of affiliate loan					$ 0