Discontinued Operations and Disposal Groups - Narrative (Details) - USD ($) $ in Millions		3 Months Ended	6 Months Ended
	Oct. 30, 2019	Mar. 31, 2020	Jun. 30, 2020	Jun. 30, 2019	Feb. 03, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets impairment charge		$ 144	$ 144	$ 0
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Honda VNBS Product Line
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal group, including discontinued operation, consideration					$ 176
Disposal group, not discontinued operation, gain (loss) on disposal, net	$ 175
Disposal group, not discontinued operation, gain (loss) on disposal, net of closing costs	$ 77