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Discontinued Operations - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Disposed of all businesses for net proceeds | $ 7 |  |
Impairment of intangible assets excluding goodwill |  | 56 |
Impairment of goodwill |  | 486 |
Impairment of fixed and other assets | 2 | 17 | 34
Loss on disposal of discontinued operations, net | 6 | 3 |
Decorative architectural products segment with net sales |  | 1 |
Operating loss |  | 15 |
Write-down inventory |  | $ 8 |

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