Note 11 - Goodwill and Intangible Assets - Changes in Gross Goodwill (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2022	Dec. 31, 2021
Goodwill, gross	$ 2,756	$ 2,748
Goodwill, acquisitions and adjustments	8
Accumulated goodwill impairment	(99)	(99)
Goodwill	2,657	$ 2,649
Goodwill, acquisitions and adjustments	$ 8

The amount of goodwill acquisitions and/or adjustments after accumulated impairments.

No definition available.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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