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Employee Benefit Plans - Additional Information (Detail) $ in Millions | Mar. 31, 2018 USD ($)
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Compensation And Retirement Disclosure [Abstract] |
Expected contributions for pension plans in 2018 | $ 17

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- References No definition available. + Details
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- Definition Amount of contributions received and expected to be received by defined benefit plan from employer in current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2709-114920 + Details
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