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Note 2 - Cash, Cash Equivalents and Restricted Cash (Tables) | 9 Months Ended
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Sep. 30, 2024
Notes Tables |
Schedule of Cash and Cash Equivalents [Table Text Block] |
|  | September 30, |  |  | December 31, |
(in millions) |  | 2024 |  |  | 2023 |
Cash and cash equivalents |  | $ | 214 |  |  | $ | 255 |
Restricted cash reported in Other current assets |  |  | 8 |  |  |  | 12 |
Restricted cash |  |  | 100 |  |  |  | 110 |
Total cash, cash equivalents and restricted cash shown in the Statement of Cash Flows |  | $ | 322 |  |  | $ | 377 |

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