| May 19, 2016 |
|
Undisclosed amount |
| Jan 04, 2016 |
|
$ 2,000,000,000 |
| Nov 01, 2015 |
|
Undisclosed amount |
| Mar 02, 2015 |
|
$ 53,000,000 |
| Oct 29, 2014 |
|
Undisclosed amount |
| Jun 03, 2014 |
|
$ 662,000,000 |
| Nov 27, 2012 |
|
Undisclosed amount |
| Nov 01, 2011 |
|
Undisclosed amount |
| Apr 04, 2011 |
|
Undisclosed amount |