| Computer | Licences, | Amortised | Indefinite life | |||||||||||||||||
| software | patents, etc. | brands | brands | Total | ||||||||||||||||
| £m | £m | £m | £m | £m | ||||||||||||||||
|
Cost at 1 January 2016 |
2,028 | 13,394 | 387 | 8,074 | 23,883 | |||||||||||||||
|
Exchange adjustments |
137 | 1,139 | 20 | 1,320 | 2,616 | |||||||||||||||
|
Capitalised development costs |
— | 219 | 21 | — | 240 | |||||||||||||||
|
Capitalised borrowing costs |
4 | — | — | — | 4 | |||||||||||||||
|
Additions through business combinations |
— | 102 | — | — | 102 | |||||||||||||||
|
Other additions |
238 | 349 | — | — | 587 | |||||||||||||||
|
Disposals and asset write-offs |
(389 | ) | (21 | ) | (1 | ) | (7 | ) | (418 | ) | ||||||||||
|
Transfer to assets held for sale |
(1 | ) | (39 | ) | — | (12 | ) | (52 | ) | |||||||||||
|
Reclassifications |
139 | — | — | — | 139 | |||||||||||||||
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|
|
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|
Cost at 31 December 2016 |
2,156 | 15,143 | 427 | 9,375 | 27,101 | |||||||||||||||
|
Exchange adjustments |
(37 | ) | (215 | ) | (4 | ) | (272 | ) | (528 | ) | ||||||||||
|
Capitalised development costs |
— | 251 | — | — | 251 | |||||||||||||||
|
Capitalised borrowing costs |
2 | 3 | — | — | 5 | |||||||||||||||
|
Other additions |
233 | 221 | — | — | 454 | |||||||||||||||
|
Disposals and asset write-offs |
(217 | ) | (38 | ) | — | — | (255 | ) | ||||||||||||
|
Transfer to assets held for sale |
(1 | ) | (90 | ) | — | (44 | ) | (135 | ) | |||||||||||
|
Reclassifications |
38 | — | 66 | (66 | ) | 38 | ||||||||||||||
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|
|
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|
Cost at 31 December 2017 |
2,174 | 15,275 | 489 | 8,993 | 26,931 | |||||||||||||||
|
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|
|
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|
Amortisation at 1 January 2016 |
(1,294 | ) | (4,030 | ) | (133 | ) | — | (5,457 | ) | |||||||||||
|
Exchange adjustments |
(92 | ) | (410 | ) | (5 | ) | — | (507 | ) | |||||||||||
|
Charge for the year |
(152 | ) | (553 | ) | (91 | ) | — | (796 | ) | |||||||||||
|
Disposals and asset write-offs |
353 | — | 5 | — | 358 | |||||||||||||||
|
Transfer to assets held for sale |
1 | 10 | — | — | 11 | |||||||||||||||
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|
|
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|
|
|
|
|
|
|
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|
Amortisation at 31 December 2016 |
(1,184 | ) | (4,983 | ) | (224 | ) | — | (6,391 | ) | |||||||||||
|
Exchange adjustments |
25 | 141 | — | — | 166 | |||||||||||||||
|
Charge for the year |
(163 | ) | (761 | ) | (10 | ) | — | (934 | ) | |||||||||||
|
Disposals and asset write-offs |
210 | 25 | — | — | 235 | |||||||||||||||
|
Transfer to assets held for sale |
1 | 25 | — | — | 26 | |||||||||||||||
|
|
|
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|
|
|
|
|
|
|
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|
Amortisation at 31 December 2017 |
(1,111 | ) | (5,553 | ) | (234 | ) | — | (6,898 | ) | |||||||||||
|
|
|
|
|
|
|
|
|
|
|
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|
Impairment at 1 January 2016 |
(39 | ) | (1,439 | ) | (154 | ) | (122 | ) | (1,754 | ) | ||||||||||
|
Exchange adjustments |
(3 | ) | (266 | ) | — | (3 | ) | (272 | ) | |||||||||||
|
Impairment losses |
(2 | ) | (15 | ) | — | (5 | ) | (22 | ) | |||||||||||
|
Disposals and asset write-offs |
35 | 40 | 11 | — | 86 | |||||||||||||||
|
Transfer to assets held for sale |
— | 28 | — | — | 28 | |||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|||||||||||
|
Impairment at 31 December 2016 |
(9 | ) | (1,652 | ) | (143 | ) | (130 | ) | (1,934 | ) | ||||||||||
|
Exchange adjustments |
— | 110 | — | 3 | 113 | |||||||||||||||
|
Impairment losses |
(2 | ) | (546 | ) | — | (132 | ) | (680 | ) | |||||||||||
|
Disposals and asset write-offs |
2 | 5 | — | — | 7 | |||||||||||||||
|
Transfer to assets held for sale |
— | 19 | — | 4 | 23 | |||||||||||||||
|
|
|
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|
|
|
|
|
|
|
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|
Impairment at 31 December 2017 |
(9 | ) | (2,064 | ) | (143 | ) | (255 | ) | (2,471 | ) | ||||||||||
|
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|
|
|
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|
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|
|
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|
Total amortisation and impairment at 31 December 2016 |
(1,193 | ) | (6,635 | ) | (367 | ) | (130 | ) | (8,325 | ) | ||||||||||
|
Total amortisation and impairment at 31 December 2017 |
(1,120 | ) | (7,617 | ) | (377 | ) | (255 | ) | (9,369 | ) | ||||||||||
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|
Net book value at 1 January 2016 |
695 | 7,925 | 100 | 7,952 | 16,672 | |||||||||||||||
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|
|
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|
Net book value at 31 December 2016 |
963 | 8,508 | 60 | 9,245 | 18,776 | |||||||||||||||
|
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|
|
|
|
|
|
|
|
|
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|
Net book value at 31 December 2017 |
1,054 | 7,658 | 112 | 8,738 | 17,562 | |||||||||||||||
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