Note 13 - Fair Value Measurements and Derivatives - Fair Value Measurements on a Recurring Basis (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Available-for-sale securities	$ 0	$ 49
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Foreign Exchange Forward [Member] \| Not Designated as Hedging Instrument [Member]
Derivative assets	3	2
Derivative liabilities	1	1
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Interest Rate Contract [Member]
Derivative liabilities	2	7
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Currency Swap [Member] \| Not Designated as Hedging Instrument [Member]
Derivative liabilities	18
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Cash Flow Hedging [Member] \| Foreign Exchange Forward [Member]
Derivative assets	7	15
Derivative liabilities	2	1
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Cash Flow Hedging [Member] \| Currency Swap [Member]
Derivative liabilities	47	128
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Marketable Securities [Member] \| Certificates of Deposit [Member]
Certificates of deposit	18	21
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Available-for-sale securities		$ 49

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=123594786&loc=SL75136599-209740

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- Definition

Fair value portion of asset contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward contracts, and swaps.

+ References

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- Definition

Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into.

+ References

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- Definition

Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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