v3.2.0.727

Debt Senior Notes (Details) € in Millions					3 Months Ended		6 Months Ended
	Mar. 10, 2015 USD ($)	Mar. 03, 2014 USD ($)	Feb. 14, 2013 USD ($)	May. 17, 2011 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Mar. 10, 2015 EUR (€)
Debt Instrument [Line Items]
Debt Issuance Costs				$ 23,000,000
Senior Notes Net Proceeds				1,000,000,000
Loss on extinguishment of debt					$ 0	$ 0	$ (52,000,000)	$ (34,000,000)
Notes Payable, Other Payables | Senior Notes, 5.875% Due 2019
Debt Instrument [Line Items]
Senior notes issued				$ 500,000,000
Debt Instrument, Interest Rate, Stated Percentage				5.875%
Debt Instrument, Maturity Date							May 15, 2019
Loss on extinguishment of debt								$ (33,000,000)
Notes Payable, Other Payables | Senior Notes, 6.125% Due 2021
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage				6.125%	6.125%		6.125%
Debt Instrument, Maturity Date							May 15, 2021
Loss on extinguishment of debt							$ (52,000,000)
Notes Payable, Other Payables | Senior Notes, 5.000% Due 2023
Debt Instrument [Line Items]
Senior notes issued			$ 800,000,000
Debt Instrument, Interest Rate, Stated Percentage			5.00%		5.00%		5.00%
Debt Instrument, Maturity Date							Feb. 15, 2023
Debt Issuance Costs			$ 12,000,000
Notes Payable, Other Payables | Senior Notes, 4.150% Due 2024
Debt Instrument [Line Items]
Senior notes issued		$ 700,000,000
Debt Instrument, Interest Rate, Stated Percentage		4.15%			4.15%		4.15%
Debt Instrument, Maturity Date		Mar. 15, 2024					Mar. 15, 2024
Debt Issuance Costs		$ 6,000,000
Debt Instrument, Price		99.649%
Debt Instrument, Interest Rate, Effective Percentage		4.193%
Notes Payable, Other Payables | Euro-Denominated Senior Notes, 1.500% Due 2025
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage					1.50%		1.50%		1.50%
Debt Instrument, Maturity Date	Mar. 10, 2025						Mar. 10, 2025
Debt Issuance Costs	$ 5,000,000
Debt Instrument, Price									99.54%
Debt Instrument, Interest Rate, Effective Percentage									1.55%
Notes Payable, Other Payables | Euro-Denominated Senior Notes, 1.500% Due 2025 | Net Investment Hedging | Designated as Hedging Instrument
Debt Instrument [Line Items]
Senior notes issued | €									€ 700

X

- Definition

Original pricing of senior unsecured note at issuance expressed as a percentage of par value.

+ References

No definition available.

+ Details

Name:	dlph_DebtInstrumentPrice
Namespace Prefix:	dlph_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 835



-SubTopic 30



-Section 55



-Paragraph 8



-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 835



-SubTopic 30



-Section 45



-Paragraph 2



-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 210



-SubTopic 10



-Section S99



-Paragraph 1



-Subparagraph (SX 210.5-02.22(a)(1))



-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 835



-SubTopic 30



-Section 45



-Paragraph 2



-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

+ Details

Name:	us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 210



-SubTopic 10



-Section S99



-Paragraph 1



-Subparagraph (SX 210.5-02.22(a)(1))



-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 210



-SubTopic 10



-Section S99



-Paragraph 1



-Subparagraph (SX 210.5-02.22(a)(2))



-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees).

+ References

No definition available.

+ Details

Name:	us-gaap_DebtIssuanceCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 470



-SubTopic 50



-Section 40



-Paragraph 2



-URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 230



-SubTopic 10



-Section 45



-Paragraph 28



-Subparagraph (b)



-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585



Reference 3: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 470



-SubTopic 50



-Section 40



-Paragraph 4



-URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12355-112629

+ Details

Name:	us-gaap_GainsLossesOnExtinguishmentOfDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 230



-SubTopic 10



-Section 45



-Paragraph 14



-Subparagraph (b)



-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Glossary Financing Activities



-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfLongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableOtherPayablesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=dlph_SeniorNotes5875Due2019Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=dlph_SeniorNotes6125Due2021Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=dlph_SeniorNotes5000Due2023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=dlph_SeniorNotes4.150Due2024Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=dlph_EuroDenominatedSeniorNotes1.500Due2025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_NetInvestmentHedgingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: