v3.2.0.727
Fair Value Of Financial Instruments Unobservable Inputs Reconciliation (Details) - Contingent Consideration Liability
$ in Millions
6 Months Ended
Jun. 30, 2015
USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]  
Beginning of period $ 11
Additions 0
Payments 0
Interest accretion 1
End of period $ 12