Note 18 - Share-based Compensation - Schedule of Compensation Cost for Share-Based Compensation Costs by Plan (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Amount of share-based compensation cost recognized	[1]	$ 175	$ 190	$ 207
Options Outstanding, weighted average remaining contractual term (Year)		5 years 9 months 10 days
Restricted Stock and Restricted Stock Units [Member]
Amount of share-based compensation cost recognized		$ 111	94	95
Unrecognized compensation cost		$ 150
Weighted-average remaining term, other than options (Year)		2 years 8 months 12 days
Performance-based Restricted Stock Units [Member]
Amount of share-based compensation cost recognized		$ 52	79	81
Unrecognized compensation cost		$ 17
Weighted-average remaining term, other than options (Year)		1 year 4 months 24 days
Share-Based Payment Arrangement, Option [Member]
Amount of share-based compensation cost recognized		$ 7	9	23
Unrecognized compensation cost		$ 2
Options Outstanding, weighted average remaining contractual term (Year)		4 months 24 days
Other [Member]
Amount of share-based compensation cost recognized		$ 5	$ 8	$ 8

[1] The income tax benefit realized from share-based compensation was $16 million, $37 million and $12 million, respectively, for the years ended December 31, 2022, 2021, and 2020.