Changes in Accumulated Other Comprehensive Income (Loss) AOCI Reclassifications (Details) - USD ($) $ in Millions		3 Months Ended									12 Months Ended
		Dec. 31, 2016		Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016		Dec. 31, 2015	Dec. 31, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Cost of Sales		$ (3,238)	[1]	$ (3,256)	$ (3,348)	$ (3,265)	$ (3,161)	$ (2,862)	$ (3,076)	$ (3,056)	$ (13,107)		$ (12,155)	$ (12,471)
Other Income											9		(1)	8
Income tax expense											(242)		(263)	(255)
Income from continuing operations		306		306	271	335	224	364	369	304	1,218		1,261	1,380
Net income attributable to noncontrolling interest											(69)		(85)	(89)
Net income attributable to Delphi		$ 281		$ 293	$ 258	$ 425	$ 192	$ 404	$ 645	$ 209	1,257		1,450	1,351
Amount Reclassified from Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Net income attributable to Delphi											(136)		(113)	(21)
Amount Reclassified from Accumulated Other Comprehensive Income | Foreign currency translation adjustments
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Cost of Sales											(29)	[2]	0	0
Total (loss) income before income taxes											(29)		0	0
Income tax expense											0		0	0
Income from continuing operations											(29)		0	0
Net income attributable to noncontrolling interest											0		0	0
Net income attributable to Delphi											(29)		0	0
Amount Reclassified from Accumulated Other Comprehensive Income | Unrealized gains (losses) on derivatives
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Total (loss) income before income taxes											(126)		(118)	(13)
Income tax expense											30		28	1
Income from continuing operations											(96)		(90)	(12)
Net income attributable to noncontrolling interest											0		0	0
Net income attributable to Delphi											(96)		(90)	(12)
Amount Reclassified from Accumulated Other Comprehensive Income | Unrealized gains (losses) on derivatives | Commodity Derivative
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Cost of Sales											(42)		(44)	(17)
Amount Reclassified from Accumulated Other Comprehensive Income | Unrealized gains (losses) on derivatives | Foreign Currency Derivative
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Cost of Sales											(84)		(74)	(4)
Amount Reclassified from Accumulated Other Comprehensive Income | Pension and postretirement plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Actuarial gains/(losses)	[3]										(12)		(18)	(11)
Settlement loss	[3]										0		(11)	0
Curtailment gain	[3]										0		3
Total (loss) income before income taxes											(12)		(26)	(11)
Income tax expense											1		3	2
Income from continuing operations											(11)		(23)	(9)
Net income attributable to noncontrolling interest											0		0	0
Net income attributable to Delphi											$ (11)		$ (23)	$ (9)

[1] In the fourth quarter of 2016, Delphi recognized a pre-tax gain of $141 million on the divestiture of its Mechatronics business.

[2] Represents accumulated currency translation adjustment losses reclassified to net income as a result of the sale of the Company's Mechatronics business during the year ended December 31, 2016, as further described in Note 20. Acquisitions and Divestitures.

[3] These accumulated other comprehensive loss components are included in the computation of net periodic pension cost (see Note 12. Pension Benefits for additional details).