New Accounting Pronouncements - Additional Information (Details) $ in Millions |
9 Months Ended |
|---|---|
|
Sep. 30, 2016
USD ($)
| |
| Accounting Standards Updated 2016-09 | |
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |
| Cumulative effect on simplification of employee Share-based payment accounting | $ 23 |