Discontinued Operations and Disposal Groups - Disposal Group, Including Discontinued Operations (Details) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Disposal Group, Held-for-sale, Not Discontinued Operations | Brake Systems
Assets held for sale
Prepaid exp/accrued income	$ 1
Property, plant and equipment, net	79
Current deferred charges	81
Impairment of carrying value	(144)
Total assets held for sale	17
Liabilities held for sale
Accounts payable	(6)
Total liabilities held for sale	$ (6)
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Honda VNBS Product Line
Assets held for sale
Cash and cash equivalents		$ 35
Receivables, net		58
Inventories, net		17
Property, plant and equipment, net		126
Intangible assets, net		66
Other current assets		15
Total assets held for sale		317
Liabilities held for sale
Accounts payable		(50)
Accrued expenses		20
Related party short-term debt		12
Pension liability		8
Other current liabilities		28
Total liabilities held for sale		$ (118)