Guarantor Non-Guarantor Subsidiary Financial Information Level 4 (Details) - Consolidating Balance Sheets - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Current assets
Cash and cash equivalents (including restricted cash of $0 and $16, respectively)	$ 324	$ 172
Short-term investments	2	7
Accounts receivable, net	625	591
Intercompany accounts receivable	0	0
Intercompany loans receivable - current portion	0	0
Finished and in-process goods	267	290
Raw materials and supplies	107	110
Other current assets	62	73
Total current assets	1,387	1,243
Investment in unconsolidated entities	42	48
Deferred income taxes	15	18
Other assets, net	108	110
Intercompany loans receivable	0	0
Property, Plant and Equipment, Net	1,025	1,055
Goodwill	115	119
Other intangible assets, net	72	81
Total assets	2,764	2,674
Current liabilities
Accounts and drafts payable	425	426
Intercompany accounts payable	0	0
Debt payable within one year	75	99
Intercompany loans payable within one year	0	0
Interest payable	88	82
Income taxes payable	24	12
Accrued payroll and incentive compensation	58	67
Other current liabilities	122	135
Total current liabilities	792	821
Long-term liabilities
Long-term debt	3,962	3,735
Intercompany loans payable	0	0
Accumulated losses of unconsolidated subsidiaries in excess of investment	0	0
Long-term pension and post employment benefit obligations	259	278
Deferred income taxes	18	19
Other long-term liabilities	168	171
Total liabilities	5,199	5,024
Total Momentive Specialty Chemicals Inc. shareholder’s (deficit) equity	(2,433)	(2,348)
Noncontrolling interest	(2)	(2)
Total deficit	(2,435)	(2,350)
Total liabilities and deficit	2,764	2,674
Hexion Inc. [Member]
Current assets
Cash and cash equivalents (including restricted cash of $0 and $16, respectively)	181	23
Short-term investments	0	0
Accounts receivable, net	150	174
Intercompany accounts receivable	112	118
Intercompany loans receivable - current portion	21	265
Finished and in-process goods	106	117
Raw materials and supplies	44	46
Other current assets	28	36
Total current assets	642	779
Investment in unconsolidated entities	164	234
Deferred income taxes	0	0
Other assets, net	74	76
Intercompany loans receivable	1,268	1,046
Property, Plant and Equipment, Net	539	534
Goodwill	66	65
Other intangible assets, net	52	56
Total assets	2,805	2,790
Current liabilities
Accounts and drafts payable	145	142
Intercompany accounts payable	121	138
Debt payable within one year	0	26
Intercompany loans payable within one year	40	43
Interest payable	87	81
Income taxes payable	6	6
Accrued payroll and incentive compensation	27	34
Other current liabilities	69	69
Total current liabilities	495	539
Long-term liabilities
Long-term debt	3,909	3,674
Intercompany loans payable	117	36
Accumulated losses of unconsolidated subsidiaries in excess of investment	536	705
Long-term pension and post employment benefit obligations	55	59
Deferred income taxes	10	8
Other long-term liabilities	116	117
Total liabilities	5,238	5,138
Total Momentive Specialty Chemicals Inc. shareholder’s (deficit) equity	(2,433)	(2,348)
Noncontrolling interest	0	0
Total deficit	(2,433)	(2,348)
Total liabilities and deficit	2,805	2,790
Combined Subsidiary Guarantors [Member]
Current assets
Cash and cash equivalents (including restricted cash of $0 and $16, respectively)	0	0
Short-term investments	0	0
Accounts receivable, net	0	0
Intercompany accounts receivable	0	0
Intercompany loans receivable - current portion	0	0
Finished and in-process goods	0	0
Raw materials and supplies	0	0
Other current assets	0	0
Total current assets	0	0
Investment in unconsolidated entities	31	34
Deferred income taxes	0	0
Other assets, net	6	6
Intercompany loans receivable	29	28
Property, Plant and Equipment, Net	0	0
Goodwill	0	0
Other intangible assets, net	0	0
Total assets	66	68
Current liabilities
Accounts and drafts payable	0	0
Intercompany accounts payable	0	0
Debt payable within one year	0	0
Intercompany loans payable within one year	0	0
Interest payable	0	0
Income taxes payable	0	0
Accrued payroll and incentive compensation	0	0
Other current liabilities	0	0
Total current liabilities	0	0
Long-term liabilities
Long-term debt	0	0
Intercompany loans payable	6	6
Accumulated losses of unconsolidated subsidiaries in excess of investment	177	249
Long-term pension and post employment benefit obligations	0	0
Deferred income taxes	0	0
Other long-term liabilities	0	0
Total liabilities	183	255
Total Momentive Specialty Chemicals Inc. shareholder’s (deficit) equity	(117)	(187)
Noncontrolling interest	0	0
Total deficit	(117)	(187)
Total liabilities and deficit	66	68
Combined Non-Guarantor Subsidiaries [Member]
Current assets
Cash and cash equivalents (including restricted cash of $0 and $16, respectively)	143	149
Short-term investments	2	7
Accounts receivable, net	475	417
Intercompany accounts receivable	121	138
Intercompany loans receivable - current portion	40	43
Finished and in-process goods	161	173
Raw materials and supplies	63	64
Other current assets	34	37
Total current assets	1,039	1,028
Investment in unconsolidated entities	24	29
Deferred income taxes	15	18
Other assets, net	28	28
Intercompany loans receivable	107	17
Property, Plant and Equipment, Net	486	521
Goodwill	49	54
Other intangible assets, net	20	25
Total assets	1,768	1,720
Current liabilities
Accounts and drafts payable	280	284
Intercompany accounts payable	112	118
Debt payable within one year	75	73
Intercompany loans payable within one year	21	265
Interest payable	1	1
Income taxes payable	18	6
Accrued payroll and incentive compensation	31	33
Other current liabilities	53	66
Total current liabilities	591	846
Long-term liabilities
Long-term debt	53	61
Intercompany loans payable	1,281	1,049
Accumulated losses of unconsolidated subsidiaries in excess of investment	0	0
Long-term pension and post employment benefit obligations	204	219
Deferred income taxes	8	11
Other long-term liabilities	52	54
Total liabilities	2,189	2,240
Total Momentive Specialty Chemicals Inc. shareholder’s (deficit) equity	(419)	(518)
Noncontrolling interest	(2)	(2)
Total deficit	(421)	(520)
Total liabilities and deficit	1,768	1,720
Eliminations [Member]
Current assets
Cash and cash equivalents (including restricted cash of $0 and $16, respectively)	0	0
Short-term investments	0	0
Accounts receivable, net	0	0
Intercompany accounts receivable	(233)	(256)
Intercompany loans receivable - current portion	(61)	(308)
Finished and in-process goods	0	0
Raw materials and supplies	0	0
Other current assets	0	0
Total current assets	(294)	(564)
Investment in unconsolidated entities	(177)	(249)
Deferred income taxes	0	0
Other assets, net	0	0
Intercompany loans receivable	(1,404)	(1,091)
Property, Plant and Equipment, Net	0	0
Goodwill	0	0
Other intangible assets, net	0	0
Total assets	(1,875)	(1,904)
Current liabilities
Accounts and drafts payable	0	0
Intercompany accounts payable	(233)	(256)
Debt payable within one year	0	0
Intercompany loans payable within one year	(61)	(308)
Interest payable	0	0
Income taxes payable	0	0
Accrued payroll and incentive compensation	0	0
Other current liabilities	0	0
Total current liabilities	(294)	(564)
Long-term liabilities
Long-term debt	0	0
Intercompany loans payable	(1,404)	(1,091)
Accumulated losses of unconsolidated subsidiaries in excess of investment	(713)	(954)
Long-term pension and post employment benefit obligations	0	0
Deferred income taxes	0	0
Other long-term liabilities	0	0
Total liabilities	(2,411)	(2,609)
Total Momentive Specialty Chemicals Inc. shareholder’s (deficit) equity	536	705
Noncontrolling interest	0	0
Total deficit	536	705
Total liabilities and deficit	$ (1,875)	$ (1,904)