Note 10 - Hedging Activities - Summary of Notional Amounts and Respective Fair Values of Derivative Financial Instruments (Details) - USD ($) $ in Millions		Mar. 31, 2022	Dec. 31, 2021
Notional amount		$ 13,952	$ 13,543
Asset derivatives, fair value		767	500
Liability derivatives, fair value		(361)	(193)
Not Designated as Hedging Instrument [Member]
Notional amount		9,400	8,900
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member]
Notional amount	[1]	714	780
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Asset derivatives, fair value	[1]	55	49
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Other Accrued Liabilities [Member]
Liability derivatives, fair value	[1]	(2)	(2)
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member]
Notional amount		3,842	3,864
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Asset derivatives, fair value		155	91
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Accrued Liabilities [Member]
Liability derivatives, fair value		(133)	(95)
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Assets [Member]
Asset derivatives, fair value	[1]	19	10
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Liabilities [Member]
Liability derivatives, fair value	[1]	(44)	(9)
Translated Earnings Contracts [Member] | Designated as Hedging Instrument [Member] | Other Assets [Member]
Asset derivatives, fair value		180	154
Translated Earnings Contracts [Member] | Designated as Hedging Instrument [Member] | Other Liabilities [Member]
Liability derivatives, fair value		(41)	(40)
Translated Earnings Contracts [Member] | Not Designated as Hedging Instrument [Member]
Notional amount		9,396	8,899
Translated Earnings Contracts [Member] | Not Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Asset derivatives, fair value		358	196
Translated Earnings Contracts [Member] | Not Designated as Hedging Instrument [Member] | Other Accrued Liabilities [Member]
Liability derivatives, fair value		$ (141)	$ (47)

[1] At March 31, 2022, derivatives designated as hedging instruments include foreign exchange cash flow hedges with gross notional amounts of $714 million and fair value hedges of leased precious metals with gross notional amounts of 11,417 troy ounces. 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 gross notional amounts of 7,559 troy ounces.