Restructuring Programs (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Restructuring Cost and Reserve [Line Items]
Strategic transformation costs	$ 2	$ 0
Restructuring Reserve [Roll Forward]
Balance at beginning of period	21	49
Restructuring Charges	4	17
Reversals of prior accruals	1	(1)
Restructuring, Net Current Period Charges	5	16
Restructuring payments against reserve and currency	(14)	(14)
Adjustment for right-of-use assets		(22)
Balance at end of period	12	29
Commercial Industries
Restructuring Reserve [Roll Forward]
Restructuring, Net Current Period Charges	2	2
Corporate, Non-Segment [Member]
Restructuring Reserve [Roll Forward]
Restructuring, Net Current Period Charges	3	14
Severance and Related Costs
Restructuring Reserve [Roll Forward]
Balance at beginning of period	15	13
Restructuring Charges	0	3
Reversals of prior accruals	0	0
Restructuring, Net Current Period Charges	0	3
Restructuring payments against reserve and currency	(8)	(5)
Adjustment for right-of-use assets		0
Balance at end of period	7	11
Lease Cancellation and Other Costs
Restructuring Reserve [Roll Forward]
Balance at beginning of period	6	36
Restructuring Charges	3	11
Reversals of prior accruals	1	(1)
Restructuring, Net Current Period Charges	4	10
Restructuring payments against reserve and currency	(5)	(6)
Adjustment for right-of-use assets		(22)
Balance at end of period	5	18
Facility Closing
Restructuring Reserve [Roll Forward]
Balance at beginning of period	0	0
Restructuring Charges	1	3
Reversals of prior accruals	0	0
Restructuring, Net Current Period Charges	1	3
Restructuring payments against reserve and currency	(1)	(3)
Adjustment for right-of-use assets		0
Balance at end of period	0	0
Data Center Consolidation [Member] | Lease Cancellation and Other Costs
Restructuring Reserve [Roll Forward]
Restructuring Charges	$ 2	$ 9