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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, 2022	Dec. 31, 2021
U.S. equity securities
Defined Benefit Plan Disclosure [Line Items]
Actual allocation	44.90%	48.70%
Non-U.S. equity securities
Defined Benefit Plan Disclosure [Line Items]
Actual allocation	20.50%	19.70%
Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Actual allocation	34.10%	31.20%
Money market funds
Defined Benefit Plan Disclosure [Line Items]
Actual allocation	0.50%	0.40%
Minimum | U.S. equity securities
Defined Benefit Plan Disclosure [Line Items]
Actual allocation percentage	36.00%
Minimum | Non-U.S. equity securities
Defined Benefit Plan Disclosure [Line Items]
Actual allocation percentage	16.00%
Minimum | Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Actual allocation percentage	30.00%
Minimum | Money market funds
Defined Benefit Plan Disclosure [Line Items]
Actual allocation percentage	0.00%
Maximum | U.S. equity securities
Defined Benefit Plan Disclosure [Line Items]
Actual allocation percentage	54.00%
Maximum | Non-U.S. equity securities
Defined Benefit Plan Disclosure [Line Items]
Actual allocation percentage	24.00%
Maximum | Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Actual allocation percentage	40.00%
Maximum | Money market funds
Defined Benefit Plan Disclosure [Line Items]
Actual allocation percentage	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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 17
-URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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