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Acquisitions and Investments - Fair Values of Assets Acquired and Liabilities (Detail) (USD $) In Millions, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
--- | --- | --- | ---
Business Acquisition [Line Items] |  |  |
Current assets, net of cash acquired |  | $ 351 |
Property, plant and equipment |  | 443 |
Intangible assets |  | 273 |
Goodwill | 1,000 | 377 | 298
Other assets |  | 73 |
Total assets acquired | 3,672 | 1,517 | 850
Current liabilities |  | 234 |
Long-term debt |  | 16 |
Other liabilities |  | 229 |
Total liabilities | 792 | 479 | 294
Cash consideration, net of cash acquired |  | 1,038 |
Ameron [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Current assets, net of cash acquired |  | 245 |
Property, plant and equipment |  | 402 |
Intangible assets |  | 142 |
Goodwill |  | 199 |
Other assets |  | 59 |
Total assets acquired |  | 1,047 |
Current liabilities |  | 154 |
Long-term debt |  | 16 |
Other liabilities |  | 173 |
Total liabilities |  | 343 |
Cash consideration, net of cash acquired |  | 704 |
All Other Acquisitions [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Current assets, net of cash acquired | 1,441 | 106 | 136
Property, plant and equipment | 248 | 41 | 38
Intangible assets | 981 | 131 | 299
Goodwill | 1,000 | 178 | 298
Other assets | 2 | 14 | 8
Total assets acquired | 3,672 | 470 | 850
Current liabilities | 585 | 80 | 142
Long-term debt | 1 |  |
Other liabilities | 206 | 56 | 111
Total liabilities | 792 | 136 | 294
Cash consideration, net of cash acquired | $ 2,880 | $ 334 | $ 556

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