| Date | Acquired | Amount |
|---|---|---|
| Aug 03, 2016 |
|
$ 500,000,000 |
| Oct 01, 2015 |
|
$ 2,300,000,000 |
| Sep 25, 2015 |
|
Undisclosed amount |
| Jul 27, 2015 |
|
$ 40,500,000,000 |
| Mar 30, 2015 |
|
$ 3,500,000,000 |
| Jun 03, 2014 |
|
$ 825,000,000 |
| Jan 21, 2014 |
|
$ 144,000,000 |
| Jun 17, 2013 |
|
$ 165,000,000 |
| May 02, 2011 |
|
$ 6,800,000,000 |
| Jul 18, 2008 |
|
Undisclosed amount |
