Commitments And Contingencies Brazil Matters (Details) $ in Millions	6 Months Ended
Jun. 30, 2018 USD ($)
Brazil
Loss Contingencies [Line Items]
Brazil Loss Contingency, Claims asserted against Delphi	$ 16
Loss Contingency Accrual, at Carrying Value	4
Brazilian Commercial And Labor Litigation [Member] \| Pending Litigation [Member] \| Minimum [Member]
Loss Contingencies [Line Items]
Range of Possible Loss, Portion Not Accrued	0
Brazilian Commercial And Labor Litigation [Member] \| Pending Litigation [Member] \| Maximum [Member]
Loss Contingencies [Line Items]
Range of Possible Loss, Portion Not Accrued	$ 12

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No definition available.

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- Definition

Amount of loss contingency liability.

+ References

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- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349

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-Name Accounting Standards Codification
-Topic 450
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-Paragraph 9
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-Publisher FASB
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-Paragraph 4
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-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349

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- Definition

The difference between the maximum amount of estimated loss and the amount recorded as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 05
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6395354&loc=d3e12631-108344

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