CONSOLIDATED STATEMENT OF OPERATIONS - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Net sales	$ 4,361	$ 4,858	$ 4,849
Operating expenses:
Cost of sales	3,728	3,961	3,881
Selling, general and administrative	398	414	408
Amortization of Intangible Assets, Statement of Operations	14	14	16
Restructuring	80	35	98
Total operating expenses	4,220	4,424	4,403
Operating income	141	434	446
Interest expense	(68)	(79)	(15)
Other income (expense)	13	9	(11)
Income before income taxes and equity income	86	364	420
Income tax (expense) benefit	(57)	9	(106)
Income before equity income	29	373	314
Equity income, net of tax	4	7	5
Net income	33	380	319
Net income attributable to noncontrolling interest	16	22	34
Net income attributable to Delphi Technologies	$ 17	$ 358	$ 285
Net income per share attributable to Delphi Technologies:
Basic (in dollars per share)	$ 0.19	$ 4.04	$ 3.22
Diluted (in dollars per share)	$ 0.19	$ 4.03	$ 3.21
Weighted average ordinary shares outstanding:
Basic (in thousands)	87,290	88,680	88,610
Diluted (in thousands)	87,420	88,890	88,660