Derivatives And Hedging Activities - Fair Value of Derivative Instruments on Balance Sheet (Details) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Designated as Hedging Instrument
Derivative [Line Items]
Asset Derivatives	$ 22	$ 30
Liability Derivatives	11	11
Not Designated as Hedging Instrument
Derivative [Line Items]
Asset Derivatives	1	3
Liability Derivatives	0	1
Foreign currency derivatives \| Other current assets \| Not Designated as Hedging Instrument
Derivative [Line Items]
Asset Derivatives	1	3
Liability Derivatives	0	1
Foreign currency derivatives \| Cash Flow Hedging \| Other current assets \| Designated as Hedging Instrument
Derivative [Line Items]
Asset Derivatives	2	6
Liability Derivatives	2	0
Foreign currency derivatives \| Cash Flow Hedging \| Other long-term assets \| Designated as Hedging Instrument
Derivative [Line Items]
Asset Derivatives	1	2
Liability Derivatives	1	0
Foreign currency derivatives \| Cash Flow Hedging \| Accrued liabilities \| Designated as Hedging Instrument
Derivative [Line Items]
Asset Derivatives	1	0
Liability Derivatives	2	0
Foreign currency derivatives \| Cash Flow Hedging \| Other long-term liabilities \| Designated as Hedging Instrument
Derivative [Line Items]
Asset Derivatives	1	0
Liability Derivatives	1	0
Interest Rate Swap \| Cash Flow Hedging \| Other long-term assets \| Designated as Hedging Instrument
Derivative [Line Items]
Asset Derivatives	0	0
Liability Derivatives	5	11
Cross Currency Swap \| Net Investment Hedging \| Other long-term assets \| Designated as Hedging Instrument
Derivative [Line Items]
Asset Derivatives	17	22
Liability Derivatives	$ 0	$ 0

Delphi Technologies PLC 10-Q