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Analysis of cash flows - Summary of Analysis of Cash Flows (Detail) - GBP (£) £ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Disclosure Of Cash Flow Statement [line items] |  |  |  |
Profit for the year |  | £ 717.9 | £ 1,139.4 | £ 1,912.3
Taxation |  | 353.8 | 323.9 | 197.0
Revaluation of financial instruments |  | 77.8 | (172.9) | (262.2)
Finance costs |  | 376.4 | 289.3 | 269.8
Finance and investment income |  | (102.6) | (104.8) | (95.2)
Share of results of associates |  | (21.2) | (43.5) | (113.5)
Goodwill impairment on classification as held for sale |  | 94.5 |  |
Gain on sale of discontinued operations |  | (73.8) |  |
Attributable tax expense on sale of discontinued operations |  | 157.4 |  |
Non-cash share-based incentive plans (including share options) |  | 71.4 | 84.8 | 105.0
Depreciation of property, plant and equipment |  | 203.2 | 225.1 | 230.7
Depreciation of right-of-use assets |  | 317.9 |  |
Impairment of goodwill |  | 47.7 | 183.9 | 27.1
Amortisation and impairment of acquired intangible assets |  | 135.6 | 280.0 | 195.1
Amortisation of other intangible assets |  | 29.6 | 38.7 | 36.3
Investment write-downs |  | 7.5 | 2.0 | 95.9
Gains on disposal of investments and subsidiaries |  | (45.1) | (235.5) | (129.0)
(Gains)/losses on remeasurement of equity interests arising from a change in scope of ownership |  | (0.4) | (2.0) | 0.3
Gain on sale of freehold property in New York |  | (7.9) |  |
Losses on sale of property, plant and equipment |  | 3.2 | 0.6 | 1.1
Decrease/(increase) in trade receivables and accrued income |  | 159.0 | (298.9) | (90.4)
Increase/(decrease) in trade payables and deferred income |  | 394.7 | 500.9 | (170.8)
Increase in other receivables |  | (263.8) | (52.9) | (110.6)
Decrease in other payables – short-term |  | (16.4) | (31.8) | (122.8)
Increase in other payables – long-term |  | 53.7 | 0.4 | 20.1
Increase/(decrease) in provisions |  | 23.1 | 48.0 | (57.3)
Corporation and overseas tax paid |  | (536.0) | (383.6) | (424.7)
Payment on early settlement of bonds |  | (63.4) |  |
Interest and similar charges paid |  | (270.6) | (252.8) | (246.6)
Interest paid on lease liabilities |  | (105.1) |  |
Interest received |  | 80.8 | 90.4 | 76.9
Investment income |  | 18.3 | 15.4 | 16.8
Dividends from associates |  | 33.3 | 49.7 | 46.8
Net cash inflow from operating activities |  | 1,850.5 | 1,693.8 | 1,408.1
Acquisitions and disposals: |  |  |  |
Initial cash consideration |  | (3.9) | (126.7) | (214.8)
Cash and cash equivalents acquired |  | 0.0 | 11.3 | 28.9
Earnout payments |  | (130.2) | (120.2) | (199.1)
Purchase of other investments (including associates) |  | (27.2) | (48.1) | (92.5)
Acquisitions |  | (161.3) | (283.7) | (477.5)
Proceeds on disposal of investments and subsidiaries | [1] | 2,468.5 | 849.0 | 296.0
Cash and cash equivalents disposed |  | (327.5) | (15.1) |
Disposals of investments and subsidiaries |  | 2,141.0 | (833.9) | 296.0
Cash consideration for non-controlling interests |  | (62.7) | (109.9) | (47.3)
Net acquisition payments and disposal proceeds |  | 1,917.0 | 440.3 | (228.8)
Share repurchases and buy-backs: |  |  |  |
Purchase of own shares by ESOP Trusts |  |  | (102.8) | (214.6)
Shares purchased into treasury |  | (43.8) | (104.3) | (289.6)
Net cash outflow |  | (43.8) | (207.1) | (504.2)
Net increase/(decrease) in borrowings: |  |  |  |
(Decrease)/increase in drawings on bank loans |  | (70.6) | (819.3) | 785.6
Net cash (outflow)/inflow |  | (1,713.2) | (440.6) | 599.6
Cash and cash equivalents: |  |  |  |
Cash at bank and in hand |  | 2,105.4 | 2,010.8 | 2,049.6
Short-term bank deposits |  | 863.6 | 632.4 | 341.8
Overdrafts | [2] | (235.7) | (442.0) | (393.2)
Cash and cash equivalents at end of year |  | 2,733.3 | 2,201.2 | 1,998.2
Repayment of EURO 600 million bonds [member] |  |  |  |
Net increase/(decrease) in borrowings: |  |  |  |
Repayment of bonds |  | (512.7) |  |
Repayment of USD 812 million bonds [member] |  |  |  |
Net increase/(decrease) in borrowings: |  |  |  |
Repayment of bonds |  | (618.8) |  |
Partial repayment of USD 272 million bonds [member] |  |  |  |
Net increase/(decrease) in borrowings: |  |  |  |
Repayment of bonds |  | (135.4) | (20.8) |
Partial repayment of USD 450 million bonds [member] |  |  |  |
Net increase/(decrease) in borrowings: |  |  |  |
Repayment of bonds |  | (176.2) | (37.3) |
Repayment of GBP 200 million bonds [member] |  |  |  |
Net increase/(decrease) in borrowings: |  |  |  |
Repayment of bonds |  | £ (199.5) |  |
Proceeds from issue of EURO 250 million bonds [member] |  |  |  |
Net increase/(decrease) in borrowings: |  |  |  |
Proceeds from issues of bonds |  |  | 218.8 | 214.0
Proceeds from issue of EURO 500 million bonds [member] |  |  |  |
Net increase/(decrease) in borrowings: |  |  |  |
Proceeds from issues of bonds |  |  | 438.0 |
Repayment of EURO 252 million bonds [member] |  |  |  |
Net increase/(decrease) in borrowings: |  |  |  |
Repayment of bonds |  |  | £ (220.0) |
Repayment of GBP 400 million bonds [member] |  |  |  |
Net increase/(decrease) in borrowings: |  |  |  |
Repayment of bonds |  |  |  | £ (400.0)
[1] | Proceeds on disposal of investments and subsidiaries includes return of capital from investments in associates.
[2] | Bank overdrafts are included in cash and cash equivalents because they form an integral part of the Group’s cash management.

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