Note 11 - Revenue 1 (Details Textual) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Contract assets | $ 10 | $ 10 | $ 5 | ||
| Contract with Customer, Liability | 88 | 88 | 94 | ||
| Contract with Customer, Liability, Revenue Recognized | 13 | $ 8 | 35 | $ 23 | |
| Contract with Customer, Cash Payments Received for Liabilities That Have Been Deferred | 21 | $ 25 | 27 | $ 29 | |
| Revenue, Remaining Performance Obligation, Amount | 78 | 78 | |||
| Other Current Assets [Member] | |||||
| Contract assets | 10 | 10 | 5 | ||
| Other Current Liabilities [Member] | |||||
| Contract with Customer, Liability | 39 | 39 | 42 | ||
| Other Noncurrent Liabilities [Member] | |||||
| Contract with Customer, Liability | $ 49 | $ 49 | $ 52 | ||