Derivatives and Hedging Activities (Details 2) - Other Expense [Member] - Foreign exchange contracts [Member] - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2016 |
Jun. 30, 2015 |
Jun. 30, 2016 |
Jun. 30, 2015 |
|
| Derivative Instruments, Gain (Loss) [Line Items] | ||||
| Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | $ 5 | $ 0 | $ 5 | $ 0 |
| Amount Of Ineffectiveness On Net Investment Hedges | $ 0 | $ 1 | $ 0 | $ 1 |