Goodwill (Detail) |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2016
USD ($)
|
Dec. 31, 2015
USD ($)
|
Dec. 31, 2014
USD ($)
|
Oct. 02, 2016
reporting_unit
|
|
| Goodwill and Intangible Assets Disclosure [Abstract] | ||||
| Number of reporting units have goodwill and subject to goodwill impairment test | reporting_unit | 8 | |||
| Goodwill impairment charge | $ | $ 0 | $ 0 | $ 0 | |
| X | ||||||||||
- Definition Goodwill Impairment Number Of Reporting Units Tested For Impairment No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|