Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Millions				3 Months Ended		6 Months Ended
	Jun. 30, 2020	May 20, 2020	Dec. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Jan. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Payments for legal settlements	$ 20
Net sales				$ 184	$ 489	$ 546	$ 984
Goodwill	290		$ 290	290		290
Operating lease right-of-use assets	93		$ 100	93		93
Other Current Liabilities
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred income	$ 16			16		16
Research, Development and Implementation of Change
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales		$ 65
Future Software Development
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales		$ 11
Research, Development and Software Adjustment Agreement
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net sales				$ 76
Engineering Services
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reimbursements from customers						$ 81
Four Largest Customers | Revenue from Contract with Customer | Customer Concentration Risk
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration risk, percentage				55.00%	60.00%	59.00%	59.00%
Four Largest Customers | Accounts Receivable | Customer Concentration Risk
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration risk, percentage	40.00%		39.00%
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets								$ 75
Operating lease liabilities								$ 75