Revenue

9 Months Ended

Sep. 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 September 30, 2020						Three Months Ended September 30, 2019
(Dollars in millions)	Electronics		Brake Systems		Total		Electronics		Brake Systems		Total
Asia	$	85	$	—	$	85	$	80	$	77	$	157
Americas	123		13		136		133		14		147
Europe	150		—		150		158		—		158
Total net sales	$	358	$	13	$	371	$	371	$	91	$	462

Net Sales by Region

	Nine Months Ended September 30, 2020						Nine Months Ended September 30, 2019
(Dollars in millions)	Electronics		Brake Systems		Total		Electronics		Brake Systems		Total
Asia	$	202	$	24	$	226	$	259	$	229	$	488
Americas	283		33		316		432		46		478
Europe	376		—		376		480		—		480
Total net sales	$	861	$	57	$	918	$	1,171	$	275	$	1,446

Net Sales by Products

	Three Months Ended September 30, 2020						Three Months Ended September 30, 2019
(Dollars in millions)	Electronics		Brake Systems		Total		Electronics		Brake Systems		Total
Restraint Control Systems	$	188	$	—	$	188	$	193	$	—	$	193
Active Safety products	170		—		170		178		—		178
Brake Systems	—		13		13		—		91		91
Total net sales	$	358	$	13	$	371	$	371	$	91	$	462

Net Sales by Products

	Nine Months Ended September 30, 2020						Nine Months Ended September 30, 2019
(Dollars in millions)	Electronics		Brake Systems		Total		Electronics		Brake Systems		Total
Restraint Control Systems	$	450	$	—	$	450	$	617	$	—	$	617
Active Safety products	411		—		411		554		—		554
Brake Systems	—		57		57		—		275		275
Total net sales	$	861	$	57	$	918	$	1,171	$	275	$	1,446