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v3.23.4

Debt - Additional Information (Detail) $ in Thousands, € in Millions, $ in Millions |  | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jul. 21, 2023 EUR (€) | Sep. 30, 2023 MXN ($) | Dec. 31, 2022 MXN ($) | Sep. 30, 2023 EUR (€) | Sep. 30, 2023 USD ($) | Aug. 31, 2020 EUR (€)
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Weighted average cost of borrowed funds |  | 5.98% | 5.38% |  |  |
Subtotal lines of credit and others |  | $ 507,043,629 | $ 510,589,480 |  |  |
Euros [member] |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Subtotal lines of credit and others |  | 114,882,469 | 129,358,533 |  |  |
Revolving Syndicated Credit Facility One [member] |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Loan amount |  |  |  |  | $ 1,500 |
Revolving Syndicated Credit Facility Two [member] |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Loan amount |  |  |  |  | $ 2,500 |
Syndicated revolving credit facilities [member] | Telekom Austria [member] | Euros [member] |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Loan amount | € |  |  |  | € 1,000 |  |
Lines of credit [member] |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Subtotal lines of credit and others |  | 12,653,000 | 71,560,000 |  |  |
Lines of credit [member] | Euros [member] |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Subtotal lines of credit and others |  | 12,652,574 | 17,052,458 |  |  |
Commercial Paper [member] | Commercial Paper One Two Three And Four Maturing In Two Thousand And Twenty Three [Member] |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Commercial papers issued |  | 12,315,000 |  |  |  | € 2,000
Line of credit and others [member] |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Subtotal lines of credit and others |  | $ 76,953,819 | 71,560,463 |  |  |
Fixed rate senior notes interest rate 3.259% maturing 2023 [member] | Euros [member] |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Subtotal lines of credit and others |  |  | $ 15,587,256 |  |  |
Principal amount of debt matured | € | € 750 |  |  |  |  |
Mexico [member] |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Commissions or the reimbursements for Mexican tax withholdings |  | 4.90% |  |  |  |

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