Note 17 - Other Income (Expense), Net - Other Income (Expense), Net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Non-service cost components of pension and OPEB costs	$ (3)	$ (3)	$ (5)	$ (5)
Government grants and incentives	5	2	8	6
Foreign exchange gain		2	1	7
Strategic transaction expenses	(5)	(5)	(8)	(11)
Gain (loss) on investment in Hyliion	3		(14)		$ 33
Loss on disposal group held for sale			(7)
Loss on de-designation of fixed-to-fixed cross currency swaps	(9)		(9)
Other, net	(1)	3	5	6
Other income (expense), net	$ (10)	$ (1)	$ (29)	$ 3