Subsequent Event (Details) - February 2016 Repurchase Program [Member] - USD ($) shares in Thousands, $ in Millions |
1 Months Ended | 9 Months Ended |
|---|---|---|
Nov. 30, 2016 |
Oct. 29, 2016 |
|
| Subsequent Event [Line Items] | ||
| Shares Repurchased | 5,270 | |
| Amount Repurchased | $ 410 | |
| Subsequent Event [Member] | ||
| Subsequent Event [Line Items] | ||
| Shares Repurchased | 200 | |
| Amount Repurchased | $ 11 |