Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2015
Accounting Policies [Abstract]  
Schedule of Revenue by Major Customers by Reporting Segments
Customer concentrations—As reflected in the table below, combined net sales from continuing operations to General Motors Company ("GM") and Volkswagen Group (“VW”), Delphi's two largest customers, totaled approximately 22% and 25% of our total net sales for the three months ended March 31, 2015 and 2014, respectively.
 
Percentage of Total Net Sales
 
 
Accounts and Other Receivables
 
Three Months Ended March 31,
 
 
March 31,
2015
 
December 31,
2014
 
2015
 
2014
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(in millions)
GM
14
%
 
16
%
 
 
$
361

 
$
301

VW
8
%
 
9
%
 
 
218

 
187