Revenue

12 Months Ended

Dec. 31, 2020

Revenue from Contract with Customer [Abstract]

Revenue

Revenue

Disaggregation of revenue

The Company has attributed net sales to the geographic area based on the location of the entity selling the final product. Of the net sales, exports from the U.S. to other regions amounted to approximately $140 million, $175 million and $356 million in 2020, 2019 and 2018, respectively.

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
	2020						2019						2018
	Electronics		Brake Systems		Total		Electronics		Brake Systems		Total		Electronics		Brake Systems		Total
Asia	$	322	$	25	$	347	$	350	$	312	$	662	$	424	$	370	$	794
Americas	422		45		467		556		60		616		696		58		754
Europe	559		—		559		624		—		624		680		—		680
Total region sales	1,303		70		1,373		1,530		372		1,902		1,799		428		2,228
Total	$	1,303	$	70	$	1,373	$	1,530	$	372	$	1,902	$	1,800	$	428	$	2,228

Net Sales by Products

	Year Ended December 31
	2020						2019						2018
	Electronics		Brake Systems		Total		Electronics		Brake Systems		Total		Electronics		Brake Systems		Total
Restraint Control Systems	$	670	$	—	$	670	$	822	$	—	$	822	$	974	$	—	$	974
Active Safety products	624		—		624		708		—		708		825		—		825
Brake Systems	—		70		70		—		372		372		—		428		428
Other	9		—		9		—		—		—		—		—		—
Total product sales	1,303		70		$	1,373	1,530		372		$	1,902	1,799		428		2,228
Total net sales	$	1,303	$	70	$	1,373	$	1,530	$	372	$	1,902	$	1,800	$	428	$	2,228

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

Contract Balances with Customers

	As of December 31
	2020		2019
Receivables, net	$	292	$	253
Contract assets1	6		6

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

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

Change in Contract Balances with Customers1

	Year Ended December 31
Contract assets	2020		2019
Beginning balance	$	6	$	8
Increases due to revenue recognized	21		25
Decreases due to transfer to receivables	(21)		(27)
Ending balance	$	6	$	6

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