Loans and borrowings - Summary of borrowings (Detail) - TRY (₺) ₺ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Non-current liabilities
Unsecured bank loans	₺ 36,529,205	₺ 33,502,486
Secured bank loans	12,576,314	8,639,318
Lease liabilities	12,520,129	4,944,629
Debt securities issued	61,107,212	21,547,174
Total non-current liabilities	122,732,860	68,633,607
Current liabilities
Unsecured bank loans	24,366,285	37,935,323
Secured bank loans	1,826,138	1,599,835
Lease liabilities	2,964,188	1,367,685
Debt securities issued	6,759,655	27,036,945
Total current liabilities	₺ 35,916,266	₺ 67,939,788

The amount of current borrowings and current portion of non-current borrowings. [Refer: Borrowings]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The amount of current lease liabilities. [Refer: Lease liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2025-01-01
-Paragraph 47
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- Definition

The amount of current notes and debentures issued and the current portion of non-current notes and debentures issued. [Refer: Notes and debentures issued]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
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-IssueDate 2025-01-01
-Paragraph 112
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- Definition

The amount of current secured bank loans received and the current portion of non-current secured bank loans received. [Refer: Secured bank loans received]

+ References

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The amount of current unsecured bank loans received and the current portion of non-current unsecured bank loans received. [Refer: Unsecured bank loans received]

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- Definition

The non-current portion of non-current borrowings. [Refer: Borrowings]

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- Definition

The amount of non-current lease liabilities. [Refer: Lease liabilities]

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The non-current portion of non-current notes and debentures issued. [Refer: Notes and debentures issued]

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The non-current portion of non-current secured bank loans received. [Refer: Secured bank loans received]

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The non-current portion of non-current unsecured bank loans received. [Refer: Unsecured bank loans received]

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