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Goodwill - Additional Information (Detail) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Dec. 31, 2015
Goodwill [Line Items] |  |  |  |  |
Goodwill impairment loss | $ 0 | $ 0 | $ 138,000,000 | $ 255,000,000 | $ 393,000,000
Goodwill | 328,000,000 | 311,000,000 | 205,000,000 |  | 205,000,000
Tax benefit reported for goodwill impairment |  |  | 0 |  | 0
International [Member] |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Goodwill impairment loss |  |  |  |  | 0
Goodwill | $ 111,000,000 | 103,000,000 | $ 117,000,000 |  | $ 117,000,000
U.S. Energy [Member] |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Goodwill |  | 0 |  |  |
U.S. Process Solutions [Member] |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Goodwill |  | $ 119,000,000 |  |  |

X
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from estimated impairment losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=96869850&loc=d3e28680-109314 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319 + Details
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