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Retirement Benefit Plans (Actual Allocation Percentage and Target Allocation Percentage for the U.S. Pension Plan Assets) (Details) - Pension Plan	Dec. 31, 2024	Dec. 31, 2023
Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Actual allocation (percent)	99.20%	99.10%
Money market funds
Defined Benefit Plan Disclosure [Line Items]
Actual allocation (percent)	0.80%	0.60%
Cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Actual allocation (percent)	0.00%	0.30%
Target allocation (percent)	0.00%
Minimum | Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Target allocation (percent)	90.00%
Minimum | Money market funds
Defined Benefit Plan Disclosure [Line Items]
Target allocation (percent)	0.00%
Maximum | Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Target allocation (percent)	100.00%
Maximum | Money market funds
Defined Benefit Plan Disclosure [Line Items]
Target allocation (percent)	10.00%

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- Definition

Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480482/715-20-55-17

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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- Definition

Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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