| Sep 04, 2017 |
|
$ 30,000,000,000 |
| Sep 22, 2011 |
|
Undisclosed amount |
| Dec 15, 2010 |
|
Undisclosed amount |
| Mar 30, 2007 |
|
£ 595,000,000 |
| Mar 20, 2005 |
|
$ 400,000,000 |
| Feb 22, 2005 |
|
$ 700,000,000 |
| Dec 16, 2004 |
|
£ 1,400,000,000 |
| Jun 11, 2003 |
|
Undisclosed amount |
| Feb 22, 1999 |
|
Undisclosed amount |