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Non-current and current financial debts - Schedule of financial debts (Details) € in Millions, $ in Millions | Jun. 30, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 06, 2022 USD ($) | May 31, 2022 USD ($) | May 31, 2022 EUR (€)
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Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Total non-current financial debts | $ 4,581 | $ 4,541 |  |  |
Total current financial debts | 100 | 107 |  |  |
Total financial debts | 4,681 | 4,648 |  |  |
Local facilities (Japan), floating rate debt due 2025 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Total non-current financial debts | 27 | 0 |  |  |
Total current financial debts | $ 52 | 69 |  |  |
Series 2026 Notes |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings, interest rate | 2.75% |  |  |  |
Total non-current financial debts | $ 498 | 497 |  |  |
Series 2028 Notes |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings, interest rate | 2.375% |  |  | 2.375% | 2.375%
Total non-current financial debts | $ 538 | 527 |  |  |
Total financial debts |  |  |  | $ 537 | € 500
Series 2029 Notes |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings, interest rate | 3.00% |  |  |  |
Total non-current financial debts | $ 994 | 994 |  |  |
Series 2030 Notes |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings, interest rate | 2.60% |  |  |  |
Total non-current financial debts | $ 746 | 746 |  |  |
Series 2032 Notes |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings, interest rate | 5.375% |  | 5.375% |  |
Total non-current financial debts | $ 693 | 692 |  |  |
Total financial debts |  |  | $ 700 |  |
Series 2049 Notes |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings, interest rate | 3.80% |  |  |  |
Total non-current financial debts | $ 494 | 494 |  |  |
Series 2052 Notes |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Borrowings, interest rate | 5.75% |  | 5.75% |  |
Total non-current financial debts | $ 591 | 591 |  |  |
Total financial debts |  |  | $ 600 |  |
Revolving facility, floating rate due 2026 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Total non-current financial debts | 0 | 0 |  |  |
Local facilities, all others |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Total current financial debts | 40 | 2 |  |  |
Other short-term financial debts, floating rate |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Total current financial debts | 7 | 26 |  |  |
Derivatives |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Total current financial debts | $ 1 | $ 10 |  |  |

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