Revenue (Tables)

12 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

Revenue Disaggregated By Primary Region And Products Of Revenue Recognition

In the following tables (dollars in millions), revenue is disaggregated by primary region and products of revenue recognition.

Net Sales by Region

	Year Ended December 31
	2021						2020						2019
	Electronics		Brake Systems		Total		Electronics		Brake Systems		Total		Electronics		Brake Systems		Total
Asia	$	452	$	—	$	452	$	322	$	25	$	347	$	350	$	312	$	662
Americas	490		48		538		422		45		467		556		60		616
Europe	667		—		667		559		—		559		624		—		624
Total region sales	1,609		48		1,657		1,303		70		1,373		1,530		372		1,902
Total	$	1,609	$	48	$	1,657	$	1,303	$	70	$	1,373	$	1,530	$	372	$	1,902

Net Sales by Products

	Year Ended December 31
	2021						2020						2019
	Electronics		Brake Systems		Total		Electronics		Brake Systems		Total		Electronics		Brake Systems		Total
Restraint Control Systems	$	689	$	—	$	689	$	670	$	—	$	670	$	822	$	—	$	822
Active Safety products	869		—		869		624		—		624		708		—		708
Brake Systems	—		48		48		—		70		70		—		372		372
Other	51		—		51		9		—		9		—		—		—
Total product sales	1,609		48		$	1,657	1,303		70		$	1,373	1,530		372		1,902
Total net sales	$	1,609	$	48	$	1,657	$	1,303	$	70	$	1,373	$	1,530	$	372	$	1,902

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
	2021		2020
Receivables, net	$	267	$	292
Contract assets1	6		6

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	2021		2020
Beginning balance	$	6	$	6
Increases due to revenue recognized	26		21
Decreases due to transfer to receivables	(26)		(21)
Ending balance	$	6	$	6

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