Commitments and Contingencies Other Contingencies (Details) vehicle in Millions	Jun. 13, 2016 vehicle	Oct. 17, 2017 action	Sep. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)
Loss Contingencies [Line Items]
Maximum liability, guarantees			$ 5,200,000,000	$ 4,300,000,000
Accrued Liabilities, Current and Other Liabilities, Noncurrent [Member]
Loss Contingencies [Line Items]
Product liability			615,000,000	$ 656,000,000
Takata DIR [Member]
Loss Contingencies [Line Items]
Number of vehicles subject to defect information reports | vehicle	2.5
Warranty provision			0
Estimate of maximum possible loss			$ 1,000,000,000
Takata DIR [Member] | U.S. [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of pending claims | action		2
Takata DIR [Member] | MEXICO [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of pending claims | action		1
Takata DIR [Member] | CANADA [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Number of pending claims | action		4