Note 13 - Shareholders' Equity- Summary of Changes in Foreign Currency Translation Adjustment Component of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Balance	$ 11,559	$ 12,207	$ 11,868	$ 12,275
Loss on foreign currency translation, net of tax benefit - $6, $3, $29, $27	(222)	(318)	(552)	(402)
Net current-period other comprehensive loss, net of tax	(217)	(302)	(544)	(369)
Balance	10,927	11,710	10,927	11,710
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance	(2,272)	(1,796)	(1,942)	(1,712)
Loss on foreign currency translation, net of tax benefit - $6, $3, $29, $27	(212)	(310)	(543)	(393)
Equity method affiliates	(10)	(8)	(9)	(9)
Net current-period other comprehensive loss, net of tax	(222)	(318)	(552)	(402)
Balance	$ (2,494)	$ (2,114)	$ (2,494)	$ (2,114)