Acquisitions And Divestitures Exit of Argentina Business (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	$ 3,440	$ 3,148	$ 3,153	$ 3,143	$ 3,193	$ 3,039	$ 3,084	$ 2,958	$ 12,884	$ 12,274	$ 10,864
Gain (loss) on business divestitures										141	(8)
Payment associated with business disposal									$ 0	0	$ 14
Argentina Electronics Business | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Payment associated with business disposal										7
Argentina Electrical Wiring Business | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Payment associated with business disposal										7
Advanced Safety and User Experience | Argentina Electronics Business | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales										34
Cost of Sales | Advanced Safety and User Experience | Argentina Electronics Business | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on business divestitures										(33)
Cost of Sales | Signal and Power Solutions | Argentina Electrical Wiring Business | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on business divestitures										$ (14)