Property and equipment consist of the following (in
millions):
|
|
|
|
|
|
|
|
|
| |
|
June 30,
2012 |
|
|
December 31,
2011 |
|
|
Network
equipment
|
|
$ |
1,479 |
|
|
$ |
1,016 |
|
|
Land
|
|
|
34 |
|
|
|
34 |
|
|
Buildings
|
|
|
449 |
|
|
|
355 |
|
|
Leasehold
improvements
|
|
|
142 |
|
|
|
120 |
|
|
Computer software, office
equipment and other
|
|
|
88 |
|
|
|
73 |
|
|
Construction in
progress
|
|
|
542 |
|
|
|
327 |
|
|
|
|
|
|
|
|
|
|
|
Total
|
|
|
2,734 |
|
|
|
1,925 |
|
|
Less accumulated
depreciation and amortization
|
|
|
(629 |
) |
|
|
(450 |
) |
|
|
|
|
|
|
|
|
|
|
Property and equipment,
net
|
|
$ |
2,105 |
|
|
$ |
1,475 |
|
|
|
|
|
|
|
|
|
|
|