| 13 | Depreciation and amortization |
| 2017 | 2016 | 2015 | ||||||||||
| RMB million | RMB million | RMB million | ||||||||||
|
Depreciation |
||||||||||||
|
– Owned assets |
8,080 | 7,569 | 7,082 | |||||||||
|
– Assets acquired under finance leases |
4,883 | 4,849 | 4,684 | |||||||||
|
Amortization of deferred benefits and gains |
(161 | ) | (131 | ) | (148 | ) | ||||||
|
Other amortization |
360 | 332 | 227 | |||||||||
|
|
|
|
|
|
|
|||||||
| 13,162 | 12,619 | 11,845 | ||||||||||
|
|
|
|
|
|
|
|||||||