Pension Plans, Postretirement and Other Employee Benefits - Estimated Pension Plan Benefit Payments (Detail) - Pension Plans, Defined Benefit $ in Millions	Dec. 31, 2017 USD ($)
United States
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
2018	$ 14
2019	15
2020	16
2021	14
2022	16
2023-2027	76
Foreign
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
2018	20
2019	21
2020	23
2021	22
2022	23
2023-2027	$ 128

Amount of benefits for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following latest fiscal year.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

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Amount of benefits for defined benefit plan expected to be paid in next fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in fifth fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in fourth fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in third fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in second fiscal year following latest fiscal year.

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