Note 11 - Fair Value Measurements and Derivatives - Fair Value Measurements on a Recurring Basis (Details) - Fair Value, Recurring [Member] - Fair Value, Inputs, Level 2 [Member] - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member]
Derivative assets	$ 3	$ 2
Derivative liabilities	8	7
Currency Swap [Member] | Not Designated as Hedging Instrument [Member]
Derivative liabilities	9	11
Cash Flow Hedging [Member] | Foreign Exchange Forward [Member]
Derivative assets	47	26
Derivative liabilities	7	4
Cash Flow Hedging [Member] | Currency Swap [Member]
Derivative assets	$ 8	$ 17