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Net borrowings - Schedule of borrowings (Details) € in Millions, £ in Millions, $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Jun. 30, 2024 USD ($) | Jun. 30, 2024 EUR (€) | Jun. 30, 2024 GBP (£) | Jun. 30, 2023 USD ($) | Jun. 30, 2022 USD ($)
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bank overdrafts | $ 21 |  |  | $ 45 | [1] | $ 90 | [1]
Commercial paper | 479 |  |  | 250 |  |  |
Bank and other loans | 76 |  |  | 153 |  |  |
Credit support obligations | 14 |  |  | 19 |  |  |
Fair value adjustment to borrowings | (15) |  |  | (8) |  |  |
Borrowings due within one year | 2,885 |  |  | 2,142 |  |  |
Bank and other loans | 344 |  |  | 372 |  |  |
Fair value adjustment to borrowings | (353) |  |  | (461) |  |  |
Borrowings due after one year | 18,616 |  |  | 18,649 | [2] | 17,543 | [2]
Total borrowings before leases and derivative financial instruments | 21,501 |  |  | 20,791 |  |  |
Fair value of cross currency interest rate swaps | (323) |  |  | (438) |  |  |
Fair value of foreign currency swaps and forwards | (11) |  |  | 2 |  |  |
Fair value of interest rate hedging instruments | 376 |  |  | 476 |  |  |
Lease liabilities | 604 |  |  | 564 |  |  |
Gross borrowings | 22,147 |  |  | 21,395 |  |  |
Less: Cash and cash equivalents | (1,130) |  |  | (1,813) | [1],[2] | (2,765) | [1],[2]
Net borrowings | $ 21,017 |  |  | $ 19,582 |  | $ 17,107 |
Interest rate | 4.30% | 4.30% | 4.30% | 3.90% |  | 2.70% |
Proportion of ownership interest in subsidiary | 100.00% |  |  |  |  |  |
Unamortised finance costs | $ 95 |  |  | $ 102 |  |  |
Diageo Investment Corporation |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Proportion of ownership interest in subsidiary | 100.00% |  |  |  |  |  |
Diageo Capital plc |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Proportion of ownership interest in subsidiary | 100.00% |  |  |  |  |  |
€ 600 million 0.125% bonds due 2023 |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued short term | $ 0 |  |  | 646 |  |  |
Notional amounts | € |  | € 600 |  |  |  |  |
Interest rate | 0.125% | 0.125% | 0.125% |  |  |  |
$ 500 million 3.5% bonds due 2023(2) |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued short term | $ 0 |  |  | 500 |  |  |
Notional amounts | $ 500 |  |  |  |  |  |
Interest rate | 3.50% | 3.50% | 3.50% |  |  |  |
€ 500 million 0.5% bonds due 2024 |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued short term | $ 0 |  |  | 537 |  |  |
Notional amounts | € |  | € 500 |  |  |  |  |
Interest rate | 0.50% | 0.50% | 0.50% |  |  |  |
$ 600 million 2.125% bonds due 2024(2) |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued short term | $ 600 |  |  | 0 |  |  |
Bonds issued long term | 0 |  |  | 600 |  |  |
Notional amounts | $ 600 |  |  |  |  |  |
Interest rate | 2.125% | 2.125% | 2.125% |  |  |  |
€ 500 million 1.75% bonds due 2024 |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued short term | $ 535 |  |  | 0 |  |  |
Bonds issued long term | $ 0 |  |  | 538 |  |  |
Notional amounts | € |  | € 500 |  |  |  |  |
Interest rate | 1.75% | 1.75% | 1.75% |  |  |  |
€ 600 million 1% bonds due 2025 |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued short term | $ 641 |  |  | 0 |  |  |
Bonds issued long term |  |  |  | 644 |  |  |
Notional amounts | € |  | € 600 |  |  |  |  |
Interest rate | 1.00% | 1.00% | 1.00% |  |  |  |
€ 500 million 3.5% bonds due 2025 |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued short term | $ 534 |  |  | 0 |  |  |
Bonds issued long term | $ 0 |  |  | 537 |  |  |
Notional amounts | € |  | € 500 |  |  |  |  |
Interest rate | 3.50% | 3.50% | 3.50% |  |  |  |
$ 500 million 5.2% bonds due 2025(2) |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 499 |  |  | 499 |  |  |
Notional amounts | $ 500 |  |  |  |  |  |
Interest rate | 5.20% | 5.20% | 5.20% |  |  |  |
$ 750 million 1.375% bonds due 2025(2) |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 749 |  |  | 748 |  |  |
Notional amounts | $ 750 |  |  |  |  |  |
Interest rate | 1.375% | 1.375% | 1.375% |  |  |  |
€ 850 million 2.375% bonds due 2026 |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 908 |  |  | 913 |  |  |
Notional amounts | € |  | € 850 |  |  |  |  |
Interest rate | 2.375% | 2.375% | 2.375% |  |  |  |
€ 500 million floating bonds due 2026 |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 535 |  |  | 0 |  |  |
Notional amounts | € |  | € 500 |  |  |  |  |
£ 500 million 1.75% bonds due 2026 |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 630 |  |  | 627 |  |  |
Notional amounts | £ |  |  | £ 500 |  |  |  |
Interest rate | 1.75% | 1.75% | 1.75% |  |  |  |
$ 800 million 5.375% bonds due 2026(2) |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 797 |  |  | 0 |  |  |
Notional amounts | $ 800 |  |  |  |  |  |
Interest rate | 5.375% | 5.375% | 5.375% |  |  |  |
$ 750 million 5.3% bonds due 2027(2) |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 748 |  |  | 748 |  |  |
Notional amounts | $ 750 |  |  |  |  |  |
Interest rate | 5.30% | 5.30% | 5.30% |  |  |  |
€ 750 million 1.875% bonds due 2027 |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 800 |  |  | 805 |  |  |
Notional amounts | € |  | € 750 |  |  |  |  |
Interest rate | 1.875% | 1.875% | 1.875% |  |  |  |
€ 500 million 1.5% bonds due 2027 |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 534 |  |  | 537 |  |  |
Notional amounts | € |  | € 500 |  |  |  |  |
Interest rate | 1.50% | 1.50% | 1.50% |  |  |  |
€ 700 million 0.125% bonds due 2028 |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 746 |  |  | 750 |  |  |
Notional amounts | € |  | € 700 |  |  |  |  |
Interest rate | 0.125% | 0.125% | 0.125% |  |  |  |
$ 500 million 3.875% bonds due 2028(2) |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 498 |  |  | 498 |  |  |
Notional amounts | $ 500 |  |  |  |  |  |
Interest rate | 3.875% | 3.875% | 3.875% |  |  |  |
£ 300 million 2.375% bonds due 2028 |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 377 |  |  | 375 |  |  |
Notional amounts | £ |  |  | £ 300 |  |  |  |
Interest rate | 2.375% | 2.375% | 2.375% |  |  |  |
$ 1,000 million 2.375% bonds due 2029(2) |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 993 |  |  | 992 |  |  |
Notional amounts | $ 1,000 |  |  |  |  |  |
Interest rate | 2.375% | 2.375% | 2.375% |  |  |  |
£ 300 million 2.875% bonds due 2029 |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 377 |  |  | 376 |  |  |
Notional amounts | £ |  |  | £ 300 |  |  |  |
Interest rate | 2.875% | 2.875% | 2.875% |  |  |  |
€ 750 million 1.5% bonds due 2029 |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 801 |  |  | 806 |  |  |
Notional amounts | € |  | € 750 |  |  |  |  |
Interest rate | 1.50% | 1.50% | 1.50% |  |  |  |
$ 1,000 million 2% bonds due 2030(2) |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 995 |  |  | 994 |  |  |
Notional amounts | $ 1,000 |  |  |  |  |  |
Interest rate | 2.00% | 2.00% | 2.00% |  |  |  |
€ 1,000 million 2.5% bonds due 2032 |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 1,066 |  |  | 1,072 |  |  |
Notional amounts | € |  | € 1,000 |  |  |  |  |
Interest rate | 2.50% | 2.50% | 2.50% |  |  |  |
$ 750 million 2.125% bonds due 2032(2) |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 744 |  |  | 743 |  |  |
Notional amounts | $ 750 |  |  |  |  |  |
Interest rate | 2.125% | 2.125% | 2.125% |  |  |  |
£ 400 million 1.25% bonds due 2033 |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 500 |  |  | 499 |  |  |
Notional amounts | £ |  |  | £ 400 |  |  |  |
Interest rate | 1.25% | 1.25% | 1.25% |  |  |  |
$ 750 million 5.5% bonds due 2033(2) |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 744 |  |  | 744 |  |  |
Notional amounts | $ 750 |  |  |  |  |  |
Interest rate | 5.50% | 5.50% | 5.50% |  |  |  |
$ 900 million 5.625% bonds due 2033(2) |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 894 |  |  | 0 |  |  |
Notional amounts | $ 900 |  |  |  |  |  |
Interest rate | 5.625% | 5.625% | 5.625% |  |  |  |
€ 900 million 1.875% bonds due 2034 |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 957 |  |  | 962 |  |  |
Notional amounts | € |  | € 900 |  |  |  |  |
Interest rate | 1.875% | 1.875% | 1.875% |  |  |  |
$ 400 million 7.45% bonds due 2035(1) |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 400 |  |  | 400 |  |  |
Notional amounts | $ 400 |  |  |  |  |  |
Interest rate | 7.45% | 7.45% | 7.45% |  |  |  |
$ 600 million 5.875% bonds due 2036(2) |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 594 |  |  | 594 |  |  |
Notional amounts | $ 600 |  |  |  |  |  |
Interest rate | 5.875% | 5.875% | 5.875% |  |  |  |
£ 600 million 2.75% bonds due 2038 |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 752 |  |  | 750 |  |  |
Notional amounts | £ |  |  | £ 600 |  |  |  |
Interest rate | 2.75% | 2.75% | 2.75% |  |  |  |
$ 500 million 4.25% bonds due 2042(1) |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 495 |  |  | 495 |  |  |
Notional amounts | $ 500 |  |  |  |  |  |
Interest rate | 4.25% | 4.25% | 4.25% |  |  |  |
$ 500 million 3.875% bonds due 2043(2) |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |
Bonds issued long term | $ 492 |  |  | $ 492 |  |  |
Notional amounts | $ 500 |  |  |  |  |  |
Interest rate | 3.875% | 3.875% | 3.875% |  |  |  |
[1] | (1) See pages 238-240 for an explanation under Accounting information and policies.
[2] | (1) See pages 238-240 for an explanation under Accounting information and policies.

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