Pension and Post-retirement Benefits - Schedule of Contribution Information for Our Non-U.S. Defined Benefit Pension Plans And Other Postretirement Plans (Detail) $ in Millions	3 Months Ended
Mar. 31, 2019 USD ($)
Pension Plans [Member] \| Non-U. S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Contributions made through March 31, 2019	$ 7
Contributions expected for the remainder of 2019	7
Total contributions expected for 2019	14
Other Postretirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Contributions expected for the remainder of 2019	2
Total contributions expected for 2019	$ 2

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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

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

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