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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 ($)	Dec. 31, 2023 USD ($)
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

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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
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