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Employee Benefit Plans - Additional Information (Detail) $ in Millions	Jun. 30, 2019 USD ($)
Compensation And Retirement Disclosure [Abstract]
Expected contributions for pension plans in 2019	$ 17

X

- References

No definition available.

+ Details

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X

- Definition

Amount of contributions received and expected to be received by defined benefit plan from employer in current fiscal year.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e2709-114920

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Balance Type:	debit
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