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Note 13 - Goodwill and Intangible Assets - Summary of Changes in Goodwill (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Goodwill, gross | $ 2,742 | $ 2,762 | $ 2,748
Goodwill, acquired | (4) | (14) |
Goodwill, dispositions | (16) |  |
Accumulated goodwill impairment | (99) | (99) | (99)
Goodwill | 2,643 | 2,663 | $ 2,649
Goodwill, acquired | $ 4 | $ 14 |

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