| Jul 01, 2015 |
|
Undisclosed amount |
| Jun 16, 2014 |
|
$ 5,700,000,000 |
| Apr 11, 2011 |
|
$ 3,000,000,000 |
| Jan 23, 2007 |
|
$ 132,500,000 |
| Oct 17, 2006 |
|
Undisclosed amount |
| Jun 05, 2006 |
|
$ 165,000,000 |
| Apr 17, 2006 |
|
Undisclosed amount |
| Nov 27, 2002 |
|
Undisclosed amount |
| Jun 18, 2002 |
|
Undisclosed amount |