NOTES TO THE CONSOLIDATED ANNUAL FINANCIAL STATEMENTS l NOTE 6
      Land, buildings and leasehold improvements
Rm
Equipment
and furniture Rm
Motor
vehicles
Rm
Aircraft
Rm
Total
Rm
 
6. Property, plant and equipment          
  At 30 June 2014          
  Cost   10 109 5 046 521   15 676  
  Accumulated depreciation and impairment   1 648 3 325 234   5 207  
      8 461 1 721 287   10 469  
  Net carrying value at beginning of year   7 425 1 585 247   9 257  
  Net acquisition of subsidiaries and businesses   21 15 26   62  
  Additions   1 101 620 200   1 921  
  Proceeds on disposal   (311) (100) (123)   (534)  
  Depreciation   (148) (468) (75)   (691)  
  Impairment charge   (37) (1)     (38)  
  Profit (loss) on disposal   150 (5) 6   151  
  Currency adjustments   262 93 4   359  
  Reclassifications   (2) (18) 2   (18)  
  Net carrying value at end of year   8 461 1 721 287   10 469  
  At 30 June 2013          
  Cost   8 819 4 508 451   13 778  
  Accumulated depreciation and impairment   1 394 2 923 204   4 521  
      7 425 1 585 247   9 257  
  Net carrying value at beginning of year   6 260 1 442 256 122 8 080  
  Net acquisition of subsidiaries and businesses   (31) 39 6 (127) (113)  
  Additions   1 054 445 156 7 1 662  
  Proceeds on disposal   (58) (27) (116)   (201)  
  Depreciation   (130) (433) (69) (2) (634)  
  Impairment charge   (14) (6)     (20)  
  Profit (loss) on disposal   22 (3) 6   25  
  Currency adjustments   338 164 6   508  
  Reclassifications   (16) (34) 3   (47)  
  Reclassification to assets classified as held for sale     (2) (1)   (3)  
  Net carrying value at end of year   7 425 1 585 247   9 257  
 

Depreciation is calculated on a straight-line basis to write off the cost of each component of an asset to its residual value over its estimated useful life as follows:

Buildings 20 years
Equipment and furniture 3 to 10 years
Motor vehicles 3 to 5 years

In 2013 certain property, plant and equipment were encumbered as security for interest-bearing borrowings amounting to R32 million, refer to note 21.

The value of property, plant and equipment held under capitalised finance leases included above is R5 million (2013: R35 million).