Significant Accounting Policies (Details) - USD ($)		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Significant Accounting Policies [Line Items]
Investment Income, Dividend		$ 17,000,000	$ 17,000,000	$ 0
Cost method investments		26,000,000	23,000,000
Research and Development expense		1,200,000,000	1,200,000,000	1,200,000,000
Allowance for Doubtful Accounts Receivable		42,000,000	26,000,000
Provision for Doubtful Accounts		24,000,000	11,000,000	10,000,000
Reimbursable engineering costs		89,000,000	98,000,000
Property Plant & Equipment, net	[1]	3,515,000,000	3,377,000,000	3,021,000,000
Goodwill and intangible asset impairment		0	0	0
Foreign Currency Transaction Gain (Loss), Net of Tax		1,000,000	8,000,000	$ (5,000,000)
Asset Retirement Obligation		2,000,000	2,000,000
Unamortized Revolving Credit Facility debt issuance costs		10,000,000	12,000,000
Operating Leases, Minimum Lease Commitments		358,000,000
GM
Significant Accounting Policies [Line Items]
Accounts and Other Receivables		370,000,000	289,000,000
VW
Significant Accounting Policies [Line Items]
Accounts and Other Receivables		$ 150,000,000	$ 186,000,000
Customer Concentration Risk | Total Net Sales | GM & VW
Significant Accounting Policies [Line Items]
Percentage of Total Net Sales		22.00%	22.00%	25.00%
Customer Concentration Risk | Total Net Sales | GM
Significant Accounting Policies [Line Items]
Percentage of Total Net Sales		14.00%	14.00%	16.00%
Customer Concentration Risk | Total Net Sales | VW
Significant Accounting Policies [Line Items]
Percentage of Total Net Sales		8.00%	8.00%	9.00%
Special Tools
Significant Accounting Policies [Line Items]
Property Plant & Equipment, net		$ 483,000,000	$ 482,000,000
Delphi-Owned Special Tools
Significant Accounting Policies [Line Items]
Property Plant & Equipment, net		397,000,000	404,000,000
Customer-Owned Special Tools
Significant Accounting Policies [Line Items]
Property Plant & Equipment, net		86,000,000	78,000,000
Long-term Debt
Significant Accounting Policies [Line Items]
Unamortized debt issuance costs		24,000,000	28,000,000
Other Long-Term Assets
Significant Accounting Policies [Line Items]
Cost method investments		26,000,000	23,000,000
Unamortized Revolving Credit Facility debt issuance costs		$ 10,000,000	$ 12,000,000
Discontinued Operations | KDAC
Significant Accounting Policies [Line Items]
Investment Income, Dividend				$ 10,000,000

[1] Net property data represents property, plant and equipment, net of accumulated depreciation.