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		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Balance		$ 11,982	$ 12,142	$ 12,545	$ 13,448
Loss on foreign currency translation (2)		(685)	(192)	(1,535)	(515)
Net current-period other comprehensive loss		(697)	(207)	(1,616)	(519)
Balance		11,548	12,355	11,548	12,355
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance	[1]	(1,783)	(652)	(933)	(329)
Loss on foreign currency translation (2)	[1],[2]	(664)	(185)	(1,497)	(501)
Equity method affiliates (3)	[1],[3]	(21)	(7)	(38)	(14)
Net current-period other comprehensive loss		(685)	(192)	(1,535)	(515)
Balance	[1]	$ (2,468)	$ (844)	$ (2,468)	$ (844)

[1] All amounts are after tax. Amounts in parentheses indicate debits to accumulated other comprehensive (loss) income.

[2] For the three and nine months ended September 30, 2022, amounts are net of tax benefit of $49 million and $87 million, respectively. For the three and nine months ended September 30, 2021, amounts are net of tax benefit of $31 million and $42 million, respectively.

[3] Tax effects are not significant.