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Notes to the financial statements

14. Tangible assets

US$ million Mining properties and leases(1) Land and buildings Plant and equipment Other(2) Total
Cost          
At 1 January 2009 17,124 2,175 12,663 6,615 38,577
Additions 241 53 328 4,610 5,232
Acquired through business combinations 28 4 1 (5) 28
Transfer to assets held for sale (376) (116) (282) (55) (829)
Disposal of assets (14) (17) (223) (32) (286)
Disposal of businesses (41) (5) (26) (44) (116)
Reclassifications(3) 60 181 3,075 (3,316) -
Currency movements 2,121 296 2,277 1,200 5,894
At 31 December 2009 19,143 2,571 17,813 8,973 48,500
Accumulated depreciation          
At 1 January 2009 2,561 634 5,663 174 9,032
Charge for the year 412 95 1,192 12 1,711
Impairments 1,099 1 325 157 1,582
Transfer to assets held for sale (121) (46) (227) (13) (407)
Disposal of assets (13) (7) (179) (14) (213)
Disposal of businesses (12) (1) (12) (1) (26)
Currency movements 441 88 1,048 46 1,623
At 31 December 2009 4,367 764 7,810 361 13,302
Net book value          
At 31 December 2009 14,776 1,807 10,003 8,612 35,198
At 31 December 2008 14,563 1,541 7,000 6,441 29,545
(1)
Includes amounts in relation to deferred stripping.
(2)
Other tangible assets include $8,189 million of assets in the course of construction, which are not depreciated.
(3)
Relates mainly to amounts transferred from assets in the course of construction.
US$ million Mining properties and leases(1) Land and buildings Plant and equipment Other(2) Total
Cost          
At 1 January 2008 12,652 2,256 12,902 5,363 33,173
Additions 436 47 357 4,886 5,726
Acquired through business combinations 6,341 73 436 508 7,358
Transfer to assets held for sale (66) (16) (118) - (200)
Fair value adjustment - 3 - 50 53
Disposal of assets (5) (14) (182) (44) (245)
Disposal of businesses (52) (1) (78) - (131)
Reclassifications(3) 418 216 2,048 (2,682) -
Currency movements (2,600) (389) (2,702) (1,466) (7,157)
At 31 December 2008 17,124 2,175 12,663 6,615 38,577
Accumulated depreciation          
At 1 January 2008 2,652 653 6,126 208 9,639
Charge for the year 353 84 964 104 1,505
Impairments 123 19 114 - 256
Transfer to assets held for sale (42) - (65) - (107)
Disposal of assets (2) (8) (166) (19) (195)
Disposal of businesses (12) - (29) - (41)
Currency movements (511) (114) (1,281) (119) (2,025)
At 31 December 2008 2,561 634 5,663 174 9,032
Net book value          
At 31 December 2008 14,563 1,541 7,000 6,441 29,545
At 31 December 2007 10,000 1,603 6,776 5,155 23,534
(1)
Includes amounts in relation to deferred stripping.
(2)
Other tangible assets include $6,050 million of assets in the course of construction, which are not depreciated.
(3)
Relates mainly to amounts transferred from assets in the course of construction.

Included in the additions above is $246 million (2008: $215 million) of interest expense incurred on borrowings funding the construction of qualifying assets which has been capitalised during the year.

The net book value and depreciation charges relating to assets held under finance leases comprise:

  2009   2008
US$ million Net book value Depreciation   Net book value Depreciation
Mining properties and leases 13 2   12 2
Land and buildings - -   34 24
Plant and equipment 22 12   19 5
Other - -   1 -
  35 14   66 31

The net book value of land and buildings comprises:

US$ million 2009 2008
Freehold 1,791 1,492
Leasehold - long 6 39
Leasehold - short (less than 50 years) 10 10
  1,807 1,541

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Annual Report 2009