Defined benefit pension costs discount rate decrease in sensitivity analysis.

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Defined benefit pension costs discount rate increases in sensitivity analysis.

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Defined benefit pension costs sensitivity analysis decrease in periodic pension costs.

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Defined benefit pension costs sensitivity analysis increase in periodic pension costs.

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- Definition

Defined Benefit Plan Periodic Costs Before Settlements and Curtailments

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Gain loss on defined benefit plan restructuring curtailments and settlements.

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Multiemployer Plan Period Cost Recognized

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Number Of Companies

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Number Of Employees Participated In Plan

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Pension Plans, Postretirement and Other Employee Benefits [Line Items]

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Unfunded Defined Benefit Pension Plan Expected Future Benefit Payments Next Fiscal Year

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Amount included in accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan expected to be recognized in net periodic benefit (cost) credit for fiscal year following most recent annual statement of financial position.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
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-Paragraph 1
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Amount included in accumulated other comprehensive (income) loss for prior service cost (credit) expected to be recognized in net periodic benefit cost (credit) for fiscal year following most recent annual statement of financial position.

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Amount of contributions expected to be received by defined benefit plan from employer in next fiscal year following latest fiscal year.

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Fair value of assets that have been segregated and restricted to provide pension or postretirement benefits. Assets include, but are not limited to, stocks, bonds, other investments, earnings from investments, and contributions by the employer and employees.

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Amount of net periodic benefit cost (credit) for defined benefit plan.

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Amount of cost for defined contribution plan.

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Percentage of contributions required by collective bargaining arrangement to all contributions required of employer for pension and other postretirement plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

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Amount of liability, recognized in statement of financial position, for defined benefit other postretirement plan. Excludes pension plan.

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Amount of cost (reversal of cost) for pension benefits. Excludes other postretirement benefits.

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Postretirement Benefit Plans - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018 USD ($) Company Participant	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Amount included in statement of operations		$ 105,000,000	$ 97,000,000	$ 102,000,000
Defined contribution plans		49,000,000	42,000,000	44,000,000
PME multi-employer plans		30,000,000	31,000,000	32,000,000
Total (benefit) cost of defined-benefit plans		26,000,000	(1,000,000)	26,000,000
Ongoing cost		$ 26,000,000	24,000,000	27,000,000
Gain on curtailments and settlements			25,000,000	$ 1,000,000
Increase in discount rate		1.00%
Increase in net periodic pension cost		$ 3,000,000
Decrease in discount rate		1.00%
Decrease in net periodic pension cost		$ 3,000,000
Estimated net actuarial loss (gain)		3,000,000
Estimated prior service cost		0
Pension plan assets		201,000,000
Employer contribution to defined-benefit pension plans		12,000,000
Expected cash payments to unfunded plans		8,000,000
Accumulated postretirement health care benefit obligation		11,000,000	$ 14,000,000
German and Japanese [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Pension plan assets		$ 179,000,000
PME Multi-Employer Plan [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Number of companies \| Company		1,376
Number of participants \| Participant		625,000
Contribution rate		25.35%
PME Multi-Employer Plan [Member] \| Scenario, Forecast [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Contribution rate	25.02%