Note 17 - Warranty Obligations - Changes in Warranty Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Balance	$ 101	$ 75	$ 76
Amounts accrued for current period sales	35	35	37
Adjustments of prior estimates	1	2	(1)
Settlements of warranty claims	(42)	(35)	(35)
Acquisitions		24
Currency impact	3		(2)
Balance	$ 98	$ 101	$ 75

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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