Note 15 - Hedging Activities - Summary of Notional Amounts and Respective Fair Values of Derivative Financial Instruments (Details) - USD ($) $ in Millions		Dec. 31, 2021	Dec. 31, 2020
Notional amount		$ 13,543	$ 14,740
Asset derivatives, fair value		500	271
Liability derivatives, fair value		(193)	(344)
Not Designated as Hedging Instrument [Member]
Notional amount		8,900	7,500
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member]
Notional amount	[1]	780	1,143
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Asset derivatives, fair value	[1]	49	37
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Other Accrued Liabilities [Member]
Liability derivatives, fair value	[1]	(2)	(3)
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Other Assets [Member]
Asset derivatives, fair value		10	21
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Other Liabilities [Member]
Liability derivatives, fair value		(9)	(1)
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member]
Notional amount		3,864	6,144
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Asset derivatives, fair value		91	45
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Accrued Liabilities [Member]
Liability derivatives, fair value		(95)	(76)
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Assets [Member]
Asset derivatives, fair value			41
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Liabilities [Member]
Liability derivatives, fair value			(59)
Translated Earnings Contracts [Member] | Designated as Hedging Instrument [Member] | Other Assets [Member]
Asset derivatives, fair value		154	61
Translated Earnings Contracts [Member] | Designated as Hedging Instrument [Member] | Other Liabilities [Member]
Liability derivatives, fair value		(40)	(95)
Translated Earnings Contracts [Member] | Not Designated as Hedging Instrument [Member]
Notional amount		8,899	7,453
Translated Earnings Contracts [Member] | Not Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Asset derivatives, fair value		196	66
Translated Earnings Contracts [Member] | Not Designated as Hedging Instrument [Member] | Other Accrued Liabilities [Member]
Liability derivatives, fair value		$ (47)	$ (110)

[1] At December 31, 2021, derivatives designated as hedging instruments include foreign exchange cash flow hedges with gross notional amounts of $780 million and fair value hedges of leased precious metals with a gross notional amount of 7,559 troy ounces. At December 31, 2020, derivatives designated as hedging instruments include foreign currency contracts with notional amounts of $892 million and $251 million, respectively, for cash flow hedges and net investment hedges.