| Oct 18, 2017 |
|
$ 2,500,000,000 |
| Jan 04, 2017 |
|
$ 125,000,000 |
| Jul 06, 2016 |
|
Undisclosed amount |
| Oct 28, 2014 |
|
$ 71,000,000 |
| Sep 04, 2014 |
|
$ 17,000,000 |
| Apr 16, 2014 |
|
$ 60,000,000 |
| Oct 25, 2013 |
|
£ 107,000,000 |
| Oct 01, 2013 |
|
Undisclosed amount |
| Dec 31, 2011 |
|
$ 300,000,000 |
| Jun 22, 2011 |
|
Undisclosed amount |
| Oct 02, 2008 |
|
$ 250,000,000 |
| Sep 04, 2008 |
|
Undisclosed amount |
| Oct 01, 2007 |
|
Undisclosed amount |
| Jul 12, 2007 |
|
Undisclosed amount |
| Jul 02, 2007 |
|
$ 67,500,000 |
| May 01, 2006 |
|
Undisclosed amount |
| Mar 29, 2001 |
|
Undisclosed amount |
| Aug 18, 1999 |
|
Undisclosed amount |