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Non-current financial debt (Details 3) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Borrowings | $ 22,485 | $ 25,523
USD |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Borrowings | 13,376 | 15,862
EUR |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Borrowings | 7,478 | 7,930
JPY |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Borrowings | 76 | 174
CHF |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Borrowings | 1,488 | 1,505
Others |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |
Borrowings | $ 67 | $ 52

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