| Date | Acquired | Amount |
|---|---|---|
| Nov 06, 2017 |
|
Undisclosed amount |
| Jan 25, 2017 |
|
$ 1,100,000,000 |
| Jul 12, 2016 |
|
Undisclosed amount |
| Apr 04, 2016 |
|
$ 525,000,000 |
| Mar 02, 2016 |
|
$ 2,100,000,000 |
| Feb 25, 2016 |
|
$ 1,200,000,000 |
| Sep 16, 2015 |
|
€ 408,000,000 |
| Oct 24, 2013 |
|
$ 5,400,000,000 |
| Feb 26, 2013 |
|
$ 1,460,000,000 |
| Nov 06, 2012 |
|
Undisclosed amount |
| Oct 01, 2012 |
|
Undisclosed amount |
| Sep 24, 2012 |
|
Undisclosed amount |
| Feb 08, 2012 |
|
Undisclosed amount |
| Jan 30, 2012 |
|
CA$ 920,000,000 |
| Jun 22, 2011 |
|
Undisclosed amount |
| Dec 30, 2010 |
|
$ 2,100,000,000 |
| Jul 16, 2008 |
|
Undisclosed amount |
| May 21, 2008 |
|
$ 190,000,000 |
| May 14, 2008 |
|
Undisclosed amount |
| Apr 01, 2008 |
|
Undisclosed amount |
| Oct 04, 2007 |
|
$ 519,000,000 |
| Feb 26, 2007 |
|
Undisclosed amount |
| Jan 26, 2007 |
|
$ 1,800,000,000 |
| Jun 01, 2006 |
|
Undisclosed amount |
| May 25, 2006 |
|
Undisclosed amount |
| Feb 14, 2006 |
|
Undisclosed amount |
| Jan 06, 2006 |
|
Undisclosed amount |
| Aug 30, 2005 |
|
Undisclosed amount |
| Jun 20, 2005 |
|
$ 105,000,000 |
| Jan 20, 2004 |
|
$ 40,000,000 |
| May 02, 2002 |
|
CA$ 530,000,000 |
| Jul 12, 2000 |
|
$ 38,000,000 |
| Nov 16, 1999 |
|
Undisclosed amount |
| Dec 10, 1998 |
|
Undisclosed amount |
| Oct 30, 1998 |
|
Undisclosed amount |
| Oct 19, 1998 |
|
$ 14,100,000,000 |
| Sep 30, 1998 |
|
$ 230,000,000 |
| Dec 23, 1997 |
|
Undisclosed amount |
| Jul 01, 1997 |
|
Undisclosed amount |
| Jun 26, 1997 |
|
Undisclosed amount |
| Jan 22, 1990 |
|
$ 81,000,000 |
