Restructuring Activities (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			$ 4	$ 29	$ 14
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Current Beginning	$ (10)	$ (10)	(23)	(24)	(40)
Expense			5		24	$ 7
Reversals			(2)		6	7
Exchange			(1)		(1)	2
Utilization			(15)		(30)	(32)
Restructuring Reserve, Current Ending			(10)	(23)	(24)	(40)
Electronics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges			5		24	7
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Current Beginning	(8)	(8)	(20)	(18)	(31)
Reversals			(1)		5	8
Exchange			(1)		(1)	2
Utilization			(15)		(26)	(30)
Restructuring Reserve, Current Ending			(8)	(20)	(18)	(31)
Other Segments [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Current Beginning	(2)	(2)	(3)	(6)	(9)
Reversals			(1)		1	(1)
Exchange			0		0	0
Utilization			0		(4)	(2)
Restructuring Reserve, Current Ending			(2)	(3)	(6)	$ (9)
2020 Engineering & SGA [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	18	24
2019 Europe Manufacturing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges, net of reversals			2
2016 Engineering & SGA [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges, net of reversals				5	14
Restructuring Charges				45
2016 Other Restructuring Program [Member] [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges				1
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Current Beginning	(2)	(2)
Restructuring Reserve, Current Ending			(2)
2011 Climate Segment Restructuring Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges, net of reversals				3
North America Manufacturing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges, net of reversals				2
South America Legacy & North America Manufacturing [Member] [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges, net of reversals			1
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Current Beginning	(3)	(3)
Restructuring Reserve, Current Ending			(3)
2018 Engineering & SGA [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges, net of reversals			1	19
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Current Beginning	$ (5)	$ (5)
Restructuring Reserve, Current Ending			(5)
restructuring charges, net of reversal, including discontinued operations [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges, net of reversals			$ 3	$ 30	$ 14