Revenue Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Document Period End Date	Mar. 31, 2020
Contract with Customer, Asset, after Allowance for Credit Loss, Current	$ 2		$ 2
Net sales	945	$ 1,151
Return assets	7		$ 7
North America [Member]
Disaggregation of Revenue [Line Items]
Net sales	260	338
Europe [Member]
Disaggregation of Revenue [Line Items]
Net sales	418	542
Asia Pacific [Member]
Disaggregation of Revenue [Line Items]
Net sales	242	236
South America [Member]
Disaggregation of Revenue [Line Items]
Net sales	25	35
Delphi Technologies FIS Segment [Member]
Disaggregation of Revenue [Line Items]
Net sales	358	419
Delphi Technologies PTP Segment [Member]
Disaggregation of Revenue [Line Items]
Net sales	241	302
Electrification & Electronics [Member]
Disaggregation of Revenue [Line Items]
Net sales	172	237
Independent Aftermarket [Member]
Disaggregation of Revenue [Line Items]
Net sales	121	141
Original Equipment Service [Member]
Disaggregation of Revenue [Line Items]
Net sales	53	52
FIS PTP E&E Segment [Member]
Disaggregation of Revenue [Line Items]
Net sales	771	958
Aftermarket Segment [Member]
Disaggregation of Revenue [Line Items]
Net sales	174	193
Operating Segments [Member] | Aftermarket Segment [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 174	$ 193