Investment, Ownership Percentage

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- Definition

Investment, Total Decline In Value

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of damages paid to the plaintiff in the legal matter.

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Amount of loss (reversal of loss) recognized for loss contingency liability. Includes, but is not limited to, effect of revision in previously reported estimate.

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Amount of receivable related to a loss contingency accrual. For example, an insurance recovery receivable.

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The cash outflow associated with the purchase of all investments (debt, security, other) during the period.

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Commitments and Contingencies (Details) £ in Millions, $ in Millions			3 Months Ended	12 Months Ended	42 Months Ended
	Jun. 30, 2026 USD ($)	Jan. 05, 2026 GBP (£)	Jun. 30, 2023 USD ($)	Dec. 31, 2019 GBP (£)	Jun. 30, 2026 USD ($)
Administrative error related to unregistered shares
Loss Contingencies [Line Items]
Loss contingency, loss in period					$ 23.4
Loss contingency settlement paid			$ 17.9
Insurance reimbursement receivable	$ 15.9				$ 15.9
Hermes Infrastructure Fund II \| Ventus Portfolio
Loss Contingencies [Line Items]
Investment in wind farms \| £		£ 104		£ 90
Alleged diminished value	115.0	£ 87
Percentage of value sought		38.10%
Damages sought	$ 44.0