Revenue (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Revenue disaggregated by primary regiod and products of revenue recognition

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

Net Sales by Region

	Year Ended December 31
	2019						2018						2017
	Electronics		Brake Systems		Total		Electronics		Brake Systems		Total		Electronics		Brake Systems		Total
Asia	$	350	$	312	$	662	$	424	$	370	$	794	$	489	$	362	$	851
Americas	556		60		616		696		58		754		698		114		812
Europe	624		—		624		680		—		680		663		—		663
Total region sales	1,530		372		1,902		1,799		428		2,228		1,850		476		2,326
Less: intercompany sales	—		—		—		—		—		—		(1)		(3)		(4)
Total	$	1,530	$	372	$	1,902	$	1,800	$	428	$	2,228	$	1,849	$	473	$	2,322

Net Sales by Products

	Year Ended December 31
	2019						2018						2017
	Electronics		Brake Systems		Total		Electronics		Brake Systems		Total		Electronics		Brake Systems		Total
Restraint Control Systems	$	822	$	—	$	822	$	974	$	—	$	974	$	1,073	$	—	$	1,073
Active Safety products	708		—		708		825		—		825		778		—		778
Brake Systems	—		372		$	372	—		428		428		—		476		476
Total product sales	1,530		372		$	1,902	1,799		428		2,228		1,850		476		2,326
Less: intercompany sales	—		—		—		—		—		—		(1)		(3)		(4)
Total net sales	$	1,530	$	372	$	1,902	$	1,800	$	428	$	2,228	$	1,849	$	473	$	2,322

Summary of information about contract assets from contracts with customers

The following tables provide information about receivables and contract assets from contracts with customers.

Contract Balances with Customers

	As of December 31
	2019		2018
Receivables, net	$	253	$	376
Contract assets1	6		8

¹ Included in prepaid expenses and other contract assets in the Consolidated Balance Sheets

Summary if changes in contract assets

Changes in the contract asset balances during the period are as follows:

Change in Contract Balances with Customers¹

	Year Ended December 31
Contract assets	2019
Beginning balance	$	8
Increases due to revenue recognized	25
Decreases due to transfer to receivables	(27)
Ending balance	$	6

¹The contract asset is determined at each period end, this table reflects the rollforward of the period end balance.