Note 11 - Fair Value Measurements and Derivatives - Outstanding Fixed-to-fixed Cross-currency Swaps (Details) - Currency Swap [Member] € in Millions, $ in Millions |
Jun. 30, 2026
USD ($)
|
Jun. 30, 2026
EUR (€)
|
Dec. 31, 2025
USD ($)
|
|---|---|---|---|
| Notional amount | $ | $ 318 | $ 712 | |
| Luxembourg Intercompany Notes [Member] | Cash Flow Hedging [Member] | |||
| Face amount | € | € 278 | ||
| Rate | 3.70% | 3.70% | |
| Notional amount | $ 300 | € 278 | |
| Inflow rate | 5.38% | 5.38% | |
| Outflow rate | 3.70% | 3.70% |