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Note 8 - Debt - Notes Outstanding (Details) (Parentheticals) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Carrying amount of debt	$ 2,087	$ 2,011

X

- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

+ References

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+ Details

Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant