Employee Benefits - Weighted Average Assumptions used to Determine Benefit Obligations and Net Periodic Benefit Cost - United States Retirement Benefit Plan (Detail) - Pension Plan	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
U.S. Plans
Weighted average assumptions used to determine benefit obligations:
Discount rate	2.91%	2.66%
Rates of increase in salary compensation level		3.00%
Expected long-term rate of return on plan assets	7.00%	7.00%
Weighted average assumptions used to determine net periodic benefit cost:
Discount rate	2.66%	3.45%
Rates of increase in salary compensation level		3.00%
Expected long-term rate of return on plan assets	7.00%	7.00%
Non-U.S. Plans
Weighted average assumptions used to determine benefit obligations:
Discount rate	1.66%	1.13%
Rates of increase in salary compensation level	3.03%	2.73%
Expected long-term rate of return on plan assets	4.96%	4.93%
Weighted average assumptions used to determine net periodic benefit cost:
Discount rate	1.13%	1.79%
Rates of increase in salary compensation level	2.73%	2.96%
Expected long-term rate of return on plan assets	4.93%	5.24%

Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Expected Long-term Rate of Return on Plan Assets

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- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

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- Definition

Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.

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- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan.

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- Definition

Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(3)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e2919-114920

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- Definition

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