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Non-current and current financial debts - Schedule of financial debts (Details) € in Millions, $ in Millions | Jun. 30, 2022 USD ($) | Jun. 30, 2022 EUR (€) | May 31, 2022 USD ($) | Feb. 28, 2022 USD ($) | Dec. 31, 2021 USD ($)
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Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Total non-current financial debts | $ 3,883 |  |  |  | $ 3,966
Total current financial debts | 87 |  |  |  | 114
Total financial debts | 3,970 |  |  |  | 4,080
Facility B |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Total non-current financial debts | 637 |  |  |  | 796
Facility C |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Total non-current financial debts | 0 |  |  |  | 395
Local facilities (Japan) |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Total non-current financial debts | 0 |  |  |  | 47
Total current financial debts | 70 |  |  |  | 84
Total financial debts |  |  |  | $ 62 |
Series 2026 notes |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Total non-current financial debts | 497 |  |  |  | 496
Series 2028 notes |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Total non-current financial debts | 517 |  |  |  | 0
Total financial debts | 522 | € 500 | $ 537 |  |
Series 2029 notes |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Total non-current financial debts | 993 |  |  |  | 993
Series 2030 notes |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Total non-current financial debts | 745 |  |  |  | 745
Series 2049 notes |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Total non-current financial debts | 494 |  |  |  | 494
Revolving facility |  |  |  |  |
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 | 9 |  |  |  | 17
Other short-term financial debts |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Total current financial debts | 7 |  |  |  | 6
Derivatives |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Total current financial debts | $ 1 |  |  |  | $ 7

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