Commitments and Contingencies - Other Contingencies (Details) - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Loss Contingencies [Line Items]
Maximum liability, guarantees	$ 3,200,000,000	$ 2,600,000,000
Accrued Liabilities, Current and Other Liabilities, Noncurrent [Member]
Loss Contingencies [Line Items]
Product liability	591,000,000	$ 544,000,000
Takata DIR [Member]
Loss Contingencies [Line Items]
Warranty provision related to DIR's	0
Estimate of maximum possible loss	$ 1,200,000,000