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v3.20.1

Property, plant and equipment - Summary of Property, Plant and Equipment (Detail) - GBP (£) £ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | £ 1,083.0 | £ 979.5 |
Depreciation of property, plant and equipment | 185.5 | 188.6 | £ 189.0
Ending balance | 876.0 | 1,083.0 | 979.5
Cost [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 2,440.7 | 2,317.9 |
Additions | 294.9 | 314.8 |
New acquisitions | 0.1 | 3.1 |
Disposals | (420.9) | (255.7) |
Transfer to disposal group classified as held for sale | (464.7) |  |
Exchange adjustments | (104.5) | 60.6 |
Ending balance | 1,745.6 | 2,440.7 | 2,317.9
Depreciation [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 1,357.7 | 1,338.4 |
Depreciation of property, plant and equipment | 185.5 | 225.1 |
Disposals | (271.5) | (240.5) |
Transfer to disposal group classified as held for sale | (346.0) |  |
Exchange adjustments | (56.1) | 34.7 |
Ending balance | 869.6 | 1,357.7 | 1,338.4
Land [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 37.1 | 37.1 |
Ending balance | 34.3 | 37.1 | 37.1
Land [member] | Cost [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 37.1 | 37.1 |
Transfer to disposal group classified as held for sale | (2.8) |  |
Ending balance | 34.3 | 37.1 | 37.1
Freehold buildings [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 108.4 | 90.3 |
Ending balance | 22.0 | 108.4 | 90.3
Freehold buildings [member] | Cost [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 135.5 | 118.8 |
Additions | 33.7 | 17.7 |
New acquisitions |  | 0.1 |
Disposals | (109.0) |  |
Transfer to disposal group classified as held for sale | (17.1) |  |
Exchange adjustments | (16.9) | (1.1) |
Ending balance | 26.2 | 135.5 | 118.8
Freehold buildings [member] | Depreciation [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 27.1 | 28.5 |
Depreciation of property, plant and equipment | 1.5 | 3.1 |
Disposals | (7.2) |  |
Transfer to disposal group classified as held for sale | (15.6) |  |
Exchange adjustments | (1.6) | (4.5) |
Ending balance | 4.2 | 27.1 | 28.5
Leasehold buildings [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 635.1 | 555.7 |
Ending balance | 605.5 | 635.1 | 555.7
Leasehold buildings [member] | Cost [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 1,202.4 | 1,081.8 |
Additions | 158.5 | 161.4 |
New acquisitions |  | 0.9 |
Disposals | (167.3) | (83.5) |
Transfer to disposal group classified as held for sale | (98.1) |  |
Exchange adjustments | (46.7) | 41.8 |
Ending balance | 1,048.8 | 1,202.4 | 1,081.8
Leasehold buildings [member] | Depreciation [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 567.3 | 526.1 |
Depreciation of property, plant and equipment | 79.9 | 91.5 |
Disposals | (129.9) | (74.6) |
Transfer to disposal group classified as held for sale | (56.1) |  |
Exchange adjustments | (17.9) | 24.3 |
Ending balance | 443.3 | 567.3 | 526.1
Fixtures, fittings and equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 145.6 | 140.3 |
Ending balance | 101.2 | 145.6 | 140.3
Fixtures, fittings and equipment [member] | Cost [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 375.3 | 377.2 |
Additions | 35.0 | 49.9 |
New acquisitions | 0.1 | 1.2 |
Disposals | (68.3) | (62.9) |
Transfer to disposal group classified as held for sale | (115.2) |  |
Exchange adjustments | (14.5) | 9.9 |
Ending balance | 212.4 | 375.3 | 377.2
Fixtures, fittings and equipment [member] | Depreciation [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 229.7 | 236.9 |
Depreciation of property, plant and equipment | 36.3 | 44.4 |
Disposals | (59.9) | (58.0) |
Transfer to disposal group classified as held for sale | (81.7) |  |
Exchange adjustments | (13.2) | 6.4 |
Ending balance | 111.2 | 229.7 | 236.9
Computer equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 156.8 | 156.1 |
Ending balance | 113.0 | 156.8 | 156.1
Computer equipment [member] | Cost [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 690.4 | 703.0 |
Additions | 67.7 | 85.8 |
New acquisitions |  | 0.9 |
Disposals | (76.3) | (109.3) |
Transfer to disposal group classified as held for sale | (231.5) |  |
Exchange adjustments | (26.4) | 10.0 |
Ending balance | 423.9 | 690.4 | 703.0
Computer equipment [member] | Depreciation [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 533.6 | 546.9 |
Depreciation of property, plant and equipment | 67.8 | 86.1 |
Disposals | (74.5) | (107.9) |
Transfer to disposal group classified as held for sale | (192.6) |  |
Exchange adjustments | (23.4) | 8.5 |
Ending balance | £ 310.9 | £ 533.6 | £ 546.9

X
- Definition The increase in property, plant and equipment resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2019-01-01 -Paragraph 73 -Subparagraph e -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2019-en-r&anchor=para_73_e_iii&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2019-01-01 -Paragraph 73 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2019-en-r&anchor=para_73_e_i&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The decrease in property, plant and equipment through classification as held for sale or inclusion in a disposal group classified as held for sale. [Refer: Disposal groups classified as held for sale [member]; Property, plant and equipment; Disposal groups classified as held for sale [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2019-01-01 -Paragraph 73 -Subparagraph e -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2019-en-r&anchor=para_73_e_ii&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2019-01-01 -Paragraph 73 -Subparagraph e -Clause vii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2019-en-r&anchor=para_73_e_vii&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2019-01-01 -Paragraph 75 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2019-en-r&anchor=para_75_a&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The decrease in property, plant and equipment resulting from disposals. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2019-01-01 -Paragraph 73 -Subparagraph e -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2019-en-r&anchor=para_73_e_ii&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The increase (decrease) in property, plant and equipment resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2019-01-01 -Paragraph 73 -Subparagraph e -Clause viii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2019-en-r&anchor=para_73_e_viii&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2019-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2019-en-r&anchor=para_73_e&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 54 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_54_a&doctype=Standard -URIDate 2019-03-27 + Details
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