v2.4.0.8
Commitments And Contingencies GM Ignition Switch Recall (Details) (Pending Litigation [Member], GM Ignition Switch Recall [Member], USD $)
In Millions, unless otherwise specified
Jun. 30, 2014
Pending Litigation [Member] | GM Ignition Switch Recall [Member]
 
Loss Contingencies [Line Items]  
Loss Contingency Accrual $ 0