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BORROWINGS - Reconciliation of movement in financial liabilities to cash flow statement (Details) - GBP (£) £ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2026 | Jun. 30, 2025
Borrowings |  |
Net debt at beginning of the year | £ (7,263) | £ (7,907)
Cash flows | (93) | (213)
Foreign exchange | (28) | 373
Fair value adjustments, interest and reclassification | (129) | 27
Net debt at end of the year | (7,513) | (7,720)
Total financial liabilities arising from financing activities |  |
Borrowings |  |
Net debt at beginning of the year | (8,566) | (10,114)
Cash flows | 434 | 1,353
Foreign exchange | (57) | 388
Fair value adjustments, interest and reclassification | (129) | 27
Net debt at end of the year | (8,318) | (8,346)
Long-term borrowings |  |
Borrowings |  |
Net debt at beginning of the year | (7,688) | (8,567)
Cash flows |  | (40)
Foreign exchange | (41) | 360
Fair value adjustments, interest and reclassification | 1,550 | 668
Net debt at end of the year | (6,179) | (7,579)
Short-term borrowings |  |
Borrowings |  |
Net debt at beginning of the year | (767) | (1,394)
Cash flows | 412 | 1,352
Foreign exchange | (14) | 22
Fair value adjustments, interest and reclassification | (1,520) | (698)
Net debt at end of the year | (1,889) | (718)
Lease liabilities |  |
Borrowings |  |
Net debt at beginning of the year | (133) | (123)
Cash flows | 33 | 29
Foreign exchange | (1) | 4
Fair value adjustments, interest and reclassification | (62) | (42)
Net debt at end of the year | (163) | (132)
Derivative financial instruments |  |
Borrowings |  |
Net debt at beginning of the year | 22 | (30)
Cash flows | (11) | 12
Foreign exchange | (1) | 2
Fair value adjustments, interest and reclassification | (97) | 99
Net debt at end of the year | (87) | 83
Cash and cash equivalents net of bank overdrafts |  |
Borrowings |  |
Net debt at beginning of the year | 1,303 | 2,207
Cash flows | (527) | (1,566)
Foreign exchange | 29 | (15)
Net debt at end of the year | £ 805 | £ 626

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- Definition The increase (decrease) in liabilities arising from financing activities resulting from the effect of changes in foreign exchange rates. [Refer: Liabilities arising from financing activities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2025-01-01 -Paragraph 44B -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_44B_c&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 166 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_166_c&doctype=Standard -URIDate 2025-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 166 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_166_c&doctype=Standard -URIDate 2025-03-27 + Details
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