Note 10 - Hedging Activities - Summary of Notional Amounts and Respective Fair Values of Derivative Financial Instruments (Details) - USD ($) $ in Millions		Jun. 30, 2022	Dec. 31, 2021
Notional amount		$ 12,973	$ 13,543
Asset derivatives, fair value		1,182	500
Liability derivatives, fair value		(638)	(193)
Not Designated as Hedging Instrument [Member]
Notional amount		9,100	8,900
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member]
Notional amount	[1]	600	780
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Asset derivatives, fair value	[1]	47	49
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Other Accrued Liabilities [Member]
Liability derivatives, fair value	[1]	(3)	(2)
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Other Noncurrent Assets [Member]
Asset derivatives, fair value		77	10
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Other Noncurrent Liabilities [Member]
Liability derivatives, fair value		(47)	(9)
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member]
Notional amount		3,257	3,864
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Asset derivatives, fair value		198	91
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Accrued Liabilities [Member]
Liability derivatives, fair value		(209)	(95)
Translated Earnings Contracts [Member] | Not Designated as Hedging Instrument [Member]
Notional amount		9,116	8,899
Translated Earnings Contracts [Member] | Not Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Asset derivatives, fair value		640	196
Translated Earnings Contracts [Member] | Not Designated as Hedging Instrument [Member] | Other Accrued Liabilities [Member]
Liability derivatives, fair value		(272)	(47)
Translated Earnings Contracts [Member] | Not Designated as Hedging Instrument [Member] | Other Noncurrent Assets [Member]
Asset derivatives, fair value		220	154
Translated Earnings Contracts [Member] | Not Designated as Hedging Instrument [Member] | Other Noncurrent Liabilities [Member]
Liability derivatives, fair value		$ (107)	$ (40)

[1] At June 30, 2022, derivatives designated as hedging instruments include foreign exchange cash flow hedges with gross notional amounts of $600 million and fair value hedges of leased precious metals with gross notional amounts of 23,152 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.