Revenue

6 Months Ended

Jun. 30, 2020

Revenue from Contract with Customer [Abstract]

Revenue

Revenue

Disaggregation of revenue

In the following tables, revenue is disaggregated by primary region and products.

Net Sales by Region

	Three Months Ended June 30, 2020						Three Months Ended June 30, 2019
(Dollars in millions)	Electronics		Brake Systems		Total		Electronics		Brake Systems		Total
Asia	$	59	$	—	$	59	$	89	$	81	$	170
Americas	43		5		48		145		15		160
Europe	77		—		77		159		—		159
Total net sales	$	179	$	5	$	184	$	393	$	96	$	489

Net Sales by Region

	Six Months Ended June 30, 2020						Six Months Ended June 30, 2019
(Dollars in millions)	Electronics		Brake Systems		Total		Electronics		Brake Systems		Total
Asia	$	117	$	24	$	141	$	179	$	153	$	332
Americas	160		19		179		299		31		330
Europe	226		—		226		322		—		322
Total net sales	$	503	$	43	$	546	$	800	$	184	$	984

Net Sales by Products

	Three Months Ended June 30, 2020						Three Months Ended June 30, 2019
(Dollars in millions)	Electronics		Brake Systems		Total		Electronics		Brake Systems		Total
Restraint Control Systems	$	100	$	—	$	100	$	209	$	—	$	209
Active Safety products	79		—		79		184		—		184
Brake Systems	—		5		5		—		96		96
Total net sales	$	179	$	5	$	184	$	393	$	96	$	489

Net Sales by Products

	Six Months Ended June 30, 2020						Six Months Ended June 30, 2019
(Dollars in millions)	Electronics		Brake Systems		Total		Electronics		Brake Systems		Total
Restraint Control Systems	$	262	$	—	$	262	$	425	$	—	$	425
Active Safety products	241		—		241		375		—		375
Brake Systems	—		43		43		—		184		184
Total net sales	$	503	$	43	$	546	$	800	$	184	$	984