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BORROWINGS - Composition of borrowings (Details) € in Millions, £ in Millions, $ in Millions | Jun. 30, 2026 GBP (£) | Jun. 30, 2026 USD ($) | Jun. 30, 2026 EUR (€) | Dec. 31, 2025 GBP (£) | Dec. 31, 2025 EUR (€)
--- | --- | --- | --- | --- | ---
Borrowings |  |  |  |  |
Current | £ (1,962) |  |  | £ (836) |
Non-current | (6,290) |  |  | (7,773) |
Total borrowings | (8,252) |  |  | (8,609) |
Commercial paper |  |  |  |  |
Borrowings |  |  |  |  |
Current | (325) | $ (430) |  | 0 |
Total borrowings | (325) |  |  |  |
Commercial paper | Euro |  |  |  |  |
Borrowings |  |  |  |  |
Nominal value | € |  |  | € 2,000 |  |
Commercial paper | USD |  |  |  |  |
Borrowings |  |  |  |  |
Nominal value | $ |  | $ 10,000 |  |  |
Loan and overdrafts |  |  |  |  |
Borrowings |  |  |  |  |
Current | (76) |  |  | (43) |
Non-current | (283) |  |  | (300) |
Total borrowings | (359) |  |  | (343) |
Advances |  |  |  |  |
Borrowings |  |  |  |  |
Current |  |  |  | (6) |
Total borrowings |  |  |  | (6) |
Lease liabilities |  |  |  |  |
Borrowings |  |  |  |  |
Current | (52) |  |  | (48) |
Non-current | (111) |  |  | (85) |
Total borrowings | (163) |  |  | (133) |
Non-voting preference shares |  |  |  |  |
Borrowings |  |  |  |  |
Non-current | (25) |  |  | (25) |
Total borrowings | (25) |  |  | (25) |
Bonds |  |  |  |  |
Borrowings |  |  |  |  |
Current | (1,509) |  |  | (739) |
Non-current | (5,871) |  |  | (7,363) |
Total borrowings | £ (7,380) |  |  | (8,102) |
Euro Medium Term Note Programme |  |  |  |  |
Borrowings |  |  |  |  |
Current |  |  |  | £ (739) | € (850)

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