v3.20.2

The Separation and Basis of Presentation - Narrative (Details) $ / shares in Units, $ in Millions		3 Months Ended			5 Months Ended	6 Months Ended	9 Months Ended		12 Months Ended
	Apr. 01, 2020 USD ($) $ / shares shares	Sep. 30, 2020 USD ($) employee	Mar. 31, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 01, 2020 USD ($)	Jun. 30, 2020 USD ($)	Sep. 30, 2020 USD ($) employee	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)	Feb. 05, 2020	Jan. 02, 2020 USD ($)	Feb. 08, 2019 company
Related Party Transaction [Line Items]
Reduction of planned capital expenditures					$ 50
Reduction of planned capital expenditures, percentage					30.00%
Number of publicly traded companies | company												2
Separation transaction, share conversion ratio										0.25
Separation transaction, payment to parent	$ 728
Separation transaction, shares issued to parent | shares	109,021,376
Common stock, par value (in dollars per share) | $ / shares	$ 0.01
Separation transaction, costs incurred				$ 13			$ 18	$ 23
Receivables from customers		$ 629					629		$ 384		$ 281
Accounts payable, settlement arrangements									1
Restructuring and other charges		$ 3		64			$ 61	104
Number of employees separated | employee		30					440
(Decrease) in accounts payable, trade (A)							$ (165)	(96)
Capital expenditures (A)							(126)	(120)
Previously Reported [Member]
Related Party Transaction [Line Items]
(Decrease) in accounts payable, trade (A)			$ 35			$ 43
Capital expenditures (A)			$ (35)			$ (43)
Spin-off
Related Party Transaction [Line Items]
Restructuring and other charges		$ 0		2			2	5
ParentCo | Sale of customer receivables
Related Party Transaction [Line Items]
Transaction with related party, amount									$ 281
ParentCo
Related Party Transaction [Line Items]
Third-party sales-related party		24		41			81	142
Accounts Receivable, Related Parties		$ 13					13
ParentCo
Related Party Transaction [Line Items]
Separation transaction, costs incurred				$ 25			$ 38	$ 44
Common stock, outstanding (in shares) | shares	436,085,504
Revenue | Product | Ground Transportation
Related Party Transaction [Line Items]
Concentration risk, percentage								35.00%
Revenue | Product | Aerospace
Related Party Transaction [Line Items]
Concentration risk, percentage								18.00%
Revenue | Customer | Ford | Aerospace
Related Party Transaction [Line Items]
Concentration risk, percentage								13.00%
Board of Directors
Related Party Transaction [Line Items]
Salary reduction, percentage					30.00%
CEO
Related Party Transaction [Line Items]
Salary reduction, percentage					30.00%
Senior-level management
Related Party Transaction [Line Items]
Salary reduction, percentage					20.00%
Salaried employees
Related Party Transaction [Line Items]
Salary reduction, percentage					10.00%
Salaried workforce
Related Party Transaction [Line Items]
Salary reduction, percentage					10.00%

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