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Note 11 - Investments in Unconsolidated Entities - Summary of Equity Value, Period of Time until Potential Liquidity Events and Probabilities (Details) - PWERM [member] $ in Millions | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
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Financial forecast of cash inflows (outflows) from initial public offering [member] |  |
Disclosure of unconsolidated structured entities [line items] |  |
Measurement input | 0.80 | 0.72
Financial forecast of cash inflows (outflows) from initial public offering [member] | Bottom of range [member] |  |
Disclosure of unconsolidated structured entities [line items] |  |
Equity value | $ 3,000 | $ 2,900
Time horizon | 1 | 1
Financial forecast of cash inflows (outflows) from initial public offering [member] | Top of range [member] |  |
Disclosure of unconsolidated structured entities [line items] |  |
Equity value | $ 6,000 | $ 8,000
Time horizon | 2 | 3
Financial forecast of cash inflows (outflows) from sales transactions, measurement input [member] |  |
Disclosure of unconsolidated structured entities [line items] |  |
Measurement input | 0.10 | 0.08
Financial forecast of cash inflows (outflows) from sales transactions, measurement input [member] | Bottom of range [member] |  |
Disclosure of unconsolidated structured entities [line items] |  |
Equity value | $ 3,000 | $ 3,500
Time horizon | 1 | 1
Financial forecast of cash inflows (outflows) from sales transactions, measurement input [member] | Top of range [member] |  |
Disclosure of unconsolidated structured entities [line items] |  |
Equity value | $ 5,500 | $ 7,500
Time horizon | 2 | 3
Financial forecast of cash inflows (outflows) from dissolution, measurement input [member] |  |
Disclosure of unconsolidated structured entities [line items] |  |
Equity value | $ 236 | $ 234
Time horizon | 3 | 3
Measurement input | 0.05 | 0.10
Financial forecast of cash inflows (outflows) from Redemption, measurement input [member] |  |
Disclosure of unconsolidated structured entities [line items] |  |
Equity value | $ 1,000 | $ 1,000
Time horizon | 3 | 3
Measurement input | 0.05 | 0.10

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- Definition The fair value of financial assets. [Refer: At fair value [member]; Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 25 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_25&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The value of significant unobservable input used in the measurement of the fair value of assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2024-01-01 -Paragraph 93 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2024-en-r&anchor=para_93_d&doctype=Standard -URIDate 2024-03-27 + Details
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