Note 19 - Other Income (Expense), Net - Other Income (Expense), Net (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Non-service cost components of pension and OPEB costs		$ (10)	$ (23)	$ (15)
Government grants and incentives		14	15	12
Foreign exchange gain (loss)		8	(11)	(12)
Strategic transaction expenses, net of transaction breakup fee income		(20)	(41)	(18)
Gain on investment in Hyliion	$ 33
Non-income tax legal judgment			6
Gain on liquidation of foreign subsidiary			12
Other, net		(3)	17	4
Other income (expense), net		22	$ (25)	$ (29)
Hyliion Inc [Member]
Gain on investment in Hyliion		$ 33