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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480506/715-20-50-8

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

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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)
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-URI https://asc.fasb.org//1943274/2147480506/715-20-50-1

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Pension and Employee Benefit Plans, Weighted-average Asset Allocations (Details) - U.S. Pension Plans	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Weighted Average Asset Allocations [Abstract]
Target allocation		100.00%
Plan assets		100.00%	100.00%
Debt securities
Weighted Average Asset Allocations [Abstract]
Target allocation		80.00%
Plan assets		97.00%	72.00%
Cash and cash equivalents
Weighted Average Asset Allocations [Abstract]
Target allocation		1.00%
Plan assets		3.00%	5.00%
Equity securities
Weighted Average Asset Allocations [Abstract]
Target allocation		19.00%
Plan assets			18.00%
Real estate investments
Weighted Average Asset Allocations [Abstract]
Target allocation		0.00%
Plan assets			5.00%
U.S. Plans
Weighted Average Asset Allocations [Abstract]
Expected return on plan assets		5.50%	6.50%	7.00%
U.S. Plans \| Forecast
Weighted Average Asset Allocations [Abstract]
Expected return on plan assets	5.50%