Note 18 - Stock-based Compensation Plans - Summary of Stock Option Activity (Details) $ / shares in Units, shares in Thousands, $ in Millions |
9 Months Ended |
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Sep. 30, 2025
USD ($)
$ / shares
shares
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| Outstanding, shares, January 1 (in shares) | shares | 2,414 |
| Outstanding, weighted average exercise price, January 1 (in dollars per share) | $ / shares | $ 22.18 |
| Exercised, shares (in shares) | shares | (8) |
| Exercised, weighted average exercise price (in dollars per share) | $ / shares | $ 8.86 |
| Forfeited, shares (in shares) | shares | (329) |
| Forfeited, weighted average exercise price (in dollars per share) | $ / shares | $ 22.96 |
| Outstanding and exercisable at September 30, 2025 (in shares) | shares | 2,077 |
| Outstanding and exercisable, weighted average exercise price (in dollars per share) | $ / shares | $ 22.11 |
| Outstanding and exercisable, weighted average remaining contractual term (Year) | 2 years 10 months 24 days |
| Outstanding and exercisable, aggregate intrinsic value | $ | $ 0 |
| X | ||||||||||
- Definition Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. No definition available.
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| X | ||||||||||
- Definition The number of shares into which fully or partially vested stock options outstanding and currently exercisable as of the balance sheet date can be currently converted under the option plan. No definition available.
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| X | ||||||||||
- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. No definition available.
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| X | ||||||||||
- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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| X | ||||||||||
- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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