General	9 Months Ended
Sep. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
General	GENERAL General and basis of presentation—“Aptiv,” the “Company,” “we,” “us” and “our” refer to Aptiv PLC, a public limited company which was formed under the laws of Jersey on May 19, 2011 as Delphi Automotive PLC, which together with its subsidiaries acquired certain assets of the former Delphi Corporation (now known as DPH Holdings Corp. (“DPHH”)) and completed an initial public offering on November 22, 2011. On December 4, 2017 (the “Distribution Date”), the Company completed the separation (the “Separation”) of its former Powertrain Systems segment by distributing to Aptiv shareholders on a pro rata basis all of the issued and outstanding ordinary shares of Delphi Technologies PLC (“Delphi Technologies”), a public limited company formed to hold the spun-off business. To effect the Separation, the Company distributed to its shareholders one ordinary share of Delphi Technologies for every three Aptiv ordinary shares outstanding as of November 22, 2017, the record date for the distribution. Following the Separation, the remaining company changed its name to Aptiv PLC and New York Stock Exchange (“NYSE”) symbol to “APTV.” Also, as a result of the Separation, Delphi Technologies became an independent public company trading on the NYSE under the symbol “DLPH” as of the Distribution Date. Delphi Technologies’ historical financial results through the Distribution Date are reflected in the Company’s consolidated financial statements as a discontinued operation, as more fully described in Note 21. Discontinued Operations. In April 2018, primarily as a result of the impact of the Separation on the Company’s U.K. presence and the centralization of the Company’s non-manufacturing European footprint, along with the long-term stability of the financial and regulatory environment in Ireland and continued uncertainties with regards to the impending exit of the U.K. from the European Union, Aptiv PLC changed its tax residence from the U.K. to Ireland. Aptiv PLC remains a public limited company incorporated under the laws of Jersey, and will continue to be subject to United States Securities and Exchange Commission reporting requirements and prepare financial statements in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”). The consolidated financial statements have been prepared in accordance with U.S. GAAP and all adjustments, consisting of only normal recurring items, which are necessary for a fair presentation, have been included. The consolidated financial statements and notes thereto included in this report should be read in conjunction with Aptiv’s 2017 Annual Report on Form 10-K. Nature of operations—Aptiv is a leading global technology and mobility company serving the automotive sector. We design and manufacture vehicle components and provide electrical, electronic and active safety technology solutions to the global automotive market. Aptiv operates manufacturing facilities and technical centers utilizing a regional service model that enables the Company to efficiently and effectively serve its global customers from best cost countries. In line with the long-term growth in emerging markets, Aptiv has been increasing its focus on these markets, particularly in China, where the Company has a major manufacturing base and strong customer relationships.

GENERAL

General and basis of presentation—“Aptiv,” the “Company,” “we,” “us” and “our” refer to Aptiv PLC, a public limited company which was formed under the laws of Jersey on May 19, 2011 as Delphi Automotive PLC, which together with its subsidiaries acquired certain assets of the former Delphi Corporation (now known as DPH Holdings Corp. (“DPHH”)) and completed an initial public offering on November 22, 2011. On December 4, 2017 (the “Distribution Date”), the Company completed the separation (the “Separation”) of its former Powertrain Systems segment by distributing to Aptiv shareholders on a pro rata basis all of the issued and outstanding ordinary shares of Delphi Technologies PLC (“Delphi Technologies”), a public limited company formed to hold the spun-off business. To effect the Separation, the Company distributed to its shareholders one ordinary share of Delphi Technologies for every three Aptiv ordinary shares outstanding as of November 22, 2017, the record date for the distribution. Following the Separation, the remaining company changed its name to Aptiv PLC and New York Stock Exchange (“NYSE”) symbol to “APTV.” Also, as a result of the Separation, Delphi Technologies became an independent public company trading on the NYSE under the symbol “DLPH” as of the Distribution Date. Delphi Technologies’ historical financial results through the Distribution Date are reflected in the Company’s consolidated financial statements as a discontinued operation, as more fully described in Note 21. Discontinued Operations.

In April 2018, primarily as a result of the impact of the Separation on the Company’s U.K. presence and the centralization of the Company’s non-manufacturing European footprint, along with the long-term stability of the financial and regulatory environment in Ireland and continued uncertainties with regards to the impending exit of the U.K. from the European Union, Aptiv PLC changed its tax residence from the U.K. to Ireland. Aptiv PLC remains a public limited company incorporated under the laws of Jersey, and will continue to be subject to United States Securities and Exchange Commission reporting requirements and prepare financial statements in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”).

The consolidated financial statements have been prepared in accordance with U.S. GAAP and all adjustments, consisting of only normal recurring items, which are necessary for a fair presentation, have been included. The consolidated financial statements and notes thereto included in this report should be read in conjunction with Aptiv’s 2017 Annual Report on Form 10-K.

Nature of operations—Aptiv is a leading global technology and mobility company serving the automotive sector. We design and manufacture vehicle components and provide electrical, electronic and active safety technology solutions to the global automotive market. Aptiv operates manufacturing facilities and technical centers utilizing a regional service model that enables the Company to efficiently and effectively serve its global customers from best cost countries. In line with the long-term growth in emerging markets, Aptiv has been increasing its focus on these markets, particularly in China, where the Company has a major manufacturing base and strong customer relationships.