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Debt, cash and cash equivalents and lease liabilities - Disclosure of Movement In Total Debt (Details) - EUR (€) € in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure of debt [line items] |  |  |
Borrowings at beginning of period | € 20,250 | € 22,631 | € 24,568
Repayments | (2,718) | (2,241) | (3,952)
New borrowings | 1,549 | 0 | 2,019
Other cash flows | (330) | (812) | 282
Currency translation differences | 442 | 381 | (385)
Reclassification from non-current to current | 7 | 0 | 0
Other items | 18 | 291 | 99
Borrowings at end of period | 19,218 | 20,250 | 22,631
Long-term debt |  |  |
Disclosure of debt [line items] |  |  |
Borrowings at beginning of period | 17,123 | 19,745 | 20,131
Repayments | (11) | (38) | 0
New borrowings | 1,549 | 0 | 2,019
Other cash flows | 0 | 0 | 0
Currency translation differences | 56 | 124 | (152)
Reclassification from non-current to current | (3,632) | (2,704) | (2,285)
Other items | (228) | (4) | 32
Borrowings at end of period | 14,857 | 17,123 | 19,745
Short-term debt and current portion of long-term debt |  |  |
Disclosure of debt [line items] |  |  |
Borrowings at beginning of period | 3,183 | 2,767 | 4,554
Repayments | (2,707) | (2,203) | (3,952)
New borrowings | 0 | 0 | 0
Other cash flows | 43 | (615) | 86
Currency translation differences | 20 | 248 | (219)
Reclassification from non-current to current | 3,632 | 2,704 | 2,285
Other items | 3 | 282 | 13
Borrowings at end of period | 4,174 | 3,183 | 2,767
Interest rate and currency derivatives used to manage debt |  |  |
Disclosure of debt [line items] |  |  |
Borrowings at beginning of period | (56) | 119 | (117)
Repayments | 0 | 0 | 0
New borrowings | 0 | 0 | 0
Other cash flows | (373) | (197) | 196
Currency translation differences | 366 | 9 | (14)
Reclassification from non-current to current | 7 | 0 | 0
Other items | 243 | 13 | 54
Borrowings at end of period | € 187 | € (56) | € 119

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