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Intangible assets (Tables) | 12 Months Ended
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Dec. 31, 2019
Text block [abstract] |
Movements of Goodwill | Goodwill The movements in 2019 and 2018 were as follows:
|  | £m |
Cost |  |  |  |
1 January 2018 |  |  | 13,675.3 |
Additions 1 |  |  | 154.4 |
Revision of earnout estimates |  |  | (68.3 | )
Exchange adjustments |  |  | 368.1 |
31 December 2018 |  |  | 14,129.5 |
Additions 1 |  |  | 8.5 |
Revision of earnout estimates |  |  | (14.3 | )
Disposals |  |  | (18.6 | )
Transfer to disposal group classified as held for sale |  |  | (2,729.1 | )
Exchange adjustments |  |  | (419.9 | )
31 December 2019 |  |  | 10,956.1 |
Accumulated impairment losses and write-downs |  |  |  |
1 January 2018 |  |  | 722.4 |
Impairment losses for the year |  |  | 183.9 |
Exchange adjustments |  |  | 20.4 |
31 December 2018 |  |  | 926.7 |
Impairment on classification as held for sale 2 |  |  | 70.9 |
Impairment losses for the year |  |  | 47.7 |
Transfer to disposal group classified as held for sale |  |  | (230.6 | )
Exchange adjustments |  |  | (29.3 | )
31 December 2019 |  |  | 785.4 |
Net book value |  |  |  |
31 December 2019 |  |  | 10,170.7 |
31 December 2018 |  |  | 13,202.8 |
1 January 2017 |  |  | 12,952.9 |
Notes
1 |  | Additions represent goodwill arising on the acquisition of subsidiary undertakings including the effect of any revisions to fair value adjustments that had been determined provisionally at the immediately preceding balance sheet date, as permitted by IFRS 3 Business Combinations. The effect of such revisions was not material in either year presented.
2 |  | Goodwill impairment of £70.9 million arose from the assessment of fair value less costs to sell of the Kantar g roup on classification as held for sale under IFRS 5.
Cash-generating Units with Significant Goodwill | Cash-generating units with significant goodwill and brands with an indefinite useful life as at 31 December are:
|  | Goodwill |  |  | Brands with an indefinite useful life |
|  | 2019 £m |  |  | 2018 £m |  |  | 2019 £m |  |  | 2018 £m |
GroupM |  |  | 2,936.0 |  |  |  | 2,942.9 |  |  |  | – |  |  |  | – |
Kantar |  |  | – |  |  |  | 2,522.9 |  |  |  | – |  |  |  | – |
Wunderman Thompson |  |  | 2,138.9 |  |  |  | 2,118.8 |  |  |  | 409.7 |  |  |  | 424.8 |
VMLY&R |  |  | 901.0 |  |  |  | 930.4 |  |  |  | 199.1 |  |  |  | 206.6 |
Ogilvy |  |  | 762.9 |  |  |  | 618.7 |  |  |  | 211.1 |  |  |  | 219.1 |
Burson Cohn & Wolfe |  |  | 741.4 |  |  |  | 714.0 |  |  |  | 130.2 |  |  |  | 135.4 |
Other |  |  | 2,690.5 |  |  |  | 3,355.1 |  |  |  | 128.1 |  |  |  | 146.9 |
Total goodwill |  |  | 10,170.7 |  |  |  | 13,202.8 |  |  |  | 1,078.2 |  |  |  | 1,132.8 |
Movements of Other Intangible Assets | Other intangible assets The movements in 2019 and 2018 were as follows:
|  |  | Brands with an indefinite useful life £m |  |  |  | Acquired intangibles £m |  |  |  | Other £m |  |  |  | Total £m |
Cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
1 January 2018 |  |  | 1,081.3 |  |  |  | 2,547.8 |  |  |  | 411.5 |  |  |  | 4,040.6 |
Additions |  |  | – |  |  |  | – |  |  |  | 60.4 |  |  |  | 60.4 |
Disposals |  |  | – |  |  |  | (0.9 | ) |  |  | (37.3 | ) |  |  | (38.2 | )
New acquisitions |  |  | – |  |  |  | 40.3 |  |  |  | – |  |  |  | 40.3 |
Other movements 1 |  |  | – |  |  |  | 2.9 |  |  |  | (7.4 | ) |  |  | (4.5 | )
Exchange adjustments |  |  | 51.5 |  |  |  | 19.9 |  |  |  | 10.1 |  |  |  | 81.5 |
31 December 2018 |  |  | 1,132.8 |  |  |  | 2,610.0 |  |  |  | 437.3 |  |  |  | 4,180.1 |
Additions |  |  | – |  |  |  | – |  |  |  | 43.2 |  |  |  | 43.2 |
Disposals |  |  | – |  |  |  | (3.4 | ) |  |  | (41.0 | ) |  |  | (44.4 | )
New acquisitions |  |  | – |  |  |  | 3.5 |  |  |  | – |  |  |  | 3.5 |
Other movements |  |  |  |  |  |  | – |  |  |  | (1.4 | ) |  |  | (1.4 | )
Exchange adjustments |  |  | (41.4 | ) |  |  | (28.2 | ) |  |  | (9.9 | ) |  |  | (79.5 | )
Transfer to disposal group classified as held for sale |  |  | – |  |  |  | (979.0 | ) |  |  | (115.9 | ) |  |  | (1,094.9 | )
31 December 2019 |  |  | 1,091.4 |  |  |  | 1,602.9 |  |  |  | 312.3 |  |  |  | 3,006.6 |
Amortisation and impairment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
1 January 2018 |  |  | – |  |  |  | 1,718.7 |  |  |  | 303.5 |  |  |  | 2,022.2 |
Charge for the year |  |  | – |  |  |  | 275.8 |  |  |  | 38.7 |  |  |  | 314.5 |
Disposals |  |  | – |  |  |  | (0.7 | ) |  |  | (27.3 | ) |  |  | (28.0 | )
Other movements |  |  | – |  |  |  | – |  |  |  | (1.9 | ) |  |  | (1.9 | )
Exchange adjustments |  |  | – |  |  |  | 21.4 |  |  |  | 9.9 |  |  |  | 31.3 |
31 December 2018 |  |  | – |  |  |  | 2,015.2 |  |  |  | 322.9 |  |  |  | 2,338.1 |
Charge for the year |  |  | 13.2 |  |  |  | 116.8 |  |  |  | 29.6 |  |  |  | 159.6 |
Disposals |  |  | – |  |  |  | (1.6 | ) |  |  | (37.7 | ) |  |  | (39.3 | )
Other movements |  |  | – |  |  |  | – |  |  |  | 2.6 |  |  |  | 2.6 |
Exchange adjustments |  |  | – |  |  |  | (15.2 | ) |  |  | (9.1 | ) |  |  | (24.3 | )
Transfer to disposal group classified as held for sale |  |  | – |  |  |  | (835.9 | ) |  |  | (63.0 | ) |  |  | (898.9 | )
31 December 2019 |  |  | 13.2 |  |  |  | 1,279.3 |  |  |  | 245.3 |  |  |  | 1,537.8 |
Net book value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
31 December 2019 |  |  | 1,078.2 |  |  |  | 323.6 |  |  |  | 67.0 |  |  |  | 1,468.8 |
31 December 2018 |  |  | 1,132.8 |  |  |  | 594.8 |  |  |  | 114.4 |  |  |  | 1,842.0 |
1 January 2018 |  |  | 1,081.3 |  |  |  | 829.1 |  |  |  | 108.0 |  |  |  | 2,018.4 |
Note
1 |  | Other movements in acquired intangibles include revisions to fair value adjustments arising on the acquisition of subsidiary undertakings that had been determined provisionally at the immediately preceding balance sheet date, as permitted by IFRS 3 Business Combinations.

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