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Identification and activities of the Company and Subsidiaries - Main Shareholders of the Company (Details) - shares | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Inversiones TLC SpA |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding, ownership percentage | 21.90% |
The Bank Of New York Mellon, ADRs |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding, ownership percentage | 16.17% | 22.60%
Sociedad De Inversiones Pampa Calichera S.A. |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding, ownership percentage | 15.49% | 15.66%
Potasios De Chile S.A. |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding, ownership percentage | 6.36% | 6.36%
Banco De Chile On Behalf Of State Street |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding, ownership percentage | 4.11% |
AFP Habitat S.A. |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding, ownership percentage | 3.71% | 3.33%
Global Mining Spa |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding, ownership percentage | 3.08% |
Banco Santander On Behalf Of Foreign Investors |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding, ownership percentage | 2.98% |
AFP Provida S.A. |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding, ownership percentage | 2.91% | 1.84%
AFP Cuprum S.A. |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding, ownership percentage | 2.79% | 2.29%
AFP Capital S.A. |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding, ownership percentage | 2.63% | 1.98%
Banco De Chile On Behalf Of Citi NA New York |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding, ownership percentage | 2.24% |
Inversiones TLC Spa |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding, ownership percentage |  | 21.90%
Banco de Chile via State Street |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding, ownership percentage |  | 3.87%
Inv. Global Mining Chile Ltda. |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding, ownership percentage |  | 3.08%
Banco Santander Via Foreign Investor Accounts |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding, ownership percentage |  | 3.06%
Banco de Chile non-resident third party accounts |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding, ownership percentage |  | 2.19%
Inversiones TLC SpA |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Percentage of voting equity held by the Company or its subsidiaries | 21.90% | 21.90%
Series A | Inversiones TLC SpA |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 62,556,568 |
Number of shares outstanding, ownership percentage | 43.80% |
Series A | The Bank Of New York Mellon, ADRs |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 0 | 0
Number of shares outstanding, ownership percentage | 0.00% | 0.00%
Series A | Sociedad De Inversiones Pampa Calichera S.A. |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 42,640,389 | 43,133,789
Number of shares outstanding, ownership percentage | 29.86% | 30.20%
Number of shares owned by the company or its subsidiaries or associates (in shares) | 2,348,842 | 2,348,842
Series A | Potasios De Chile S.A. |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 18,179,147 | 18,179,147
Number of shares outstanding, ownership percentage | 12.73% | 12.73%
Series A | Banco De Chile On Behalf Of State Street |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 0 |
Number of shares outstanding, ownership percentage | 0.00% |
Series A | AFP Habitat S.A. |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 603,789 | 0
Number of shares outstanding, ownership percentage | 0.42% | 0.00%
Series A | Global Mining Spa |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 8,798,539 |
Number of shares outstanding, ownership percentage | 6.16% |
Series A | Banco Santander On Behalf Of Foreign Investors |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 0 |
Number of shares outstanding, ownership percentage | 0.00% |
Series A | AFP Provida S.A. |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 0 | 0
Number of shares outstanding, ownership percentage | 0.00% | 0.00%
Series A | AFP Cuprum S.A. |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 0 | 0
Number of shares outstanding, ownership percentage | 0.00% | 0.00%
Series A | AFP Capital S.A. |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 0 | 0
Number of shares outstanding, ownership percentage | 0.00% | 0.00%
Series A | Banco De Chile On Behalf Of Citi NA New York |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 67,463 |
Number of shares outstanding, ownership percentage | 0.05% |
Series A | Inversiones TLC Spa |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) |  | 62,556,568
Number of shares outstanding, ownership percentage |  | 43.80%
Series A | Banco de Chile via State Street |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) |  | 79,265
Number of shares outstanding, ownership percentage |  | 0.06%
Series A | Inv. Global Mining Chile Ltda. |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) |  | 8,798,539
Number of shares outstanding, ownership percentage |  | 6.16%
Series A | Banco Santander Via Foreign Investor Accounts |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) |  | 545,729
Number of shares outstanding, ownership percentage |  | 0.38%
Series A | Banco de Chile non-resident third party accounts |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) |  | 62,829
Number of shares outstanding, ownership percentage |  | 0.04%
Series A | Inversiones TLC SpA |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares owned by the company or its subsidiaries or associates (in shares) | 62,556,568 | 62,556,568
Series B | Inversiones TLC SpA |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 0 |
Number of shares outstanding, ownership percentage | 0.00% |
Series B | The Bank Of New York Mellon, ADRs |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 46,174,681 | 64,555,045
Number of shares outstanding, ownership percentage | 32.33% | 45.20%
Series B | Sociedad De Inversiones Pampa Calichera S.A. |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 1,611,227 | 1,611,227
Number of shares outstanding, ownership percentage | 1.13% | 1.13%
Series B | Potasios De Chile S.A. |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 0 | 0
Number of shares outstanding, ownership percentage | 0.00% | 0.00%
Series B | Banco De Chile On Behalf Of State Street |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 11,744,230 |
Number of shares outstanding, ownership percentage | 8.22% |
Series B | AFP Habitat S.A. |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 9,991,619 | 9,504,885
Number of shares outstanding, ownership percentage | 7.00% | 6.66%
Series B | Global Mining Spa |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 0 |
Number of shares outstanding, ownership percentage | 0.00% |
Series B | Banco Santander On Behalf Of Foreign Investors |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 8,499,930 |
Number of shares outstanding, ownership percentage | 5.95% |
Series B | AFP Provida S.A. |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 8,299,626 | 5,263,361
Number of shares outstanding, ownership percentage | 5.81% | 3.69%
Series B | AFP Cuprum S.A. |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 7,979,983 | 6,535,039
Number of shares outstanding, ownership percentage | 5.59% | 4.58%
Series B | AFP Capital S.A. |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 7,525,912 | 5,652,982
Number of shares outstanding, ownership percentage | 5.27% | 3.96%
Series B | Banco De Chile On Behalf Of Citi NA New York |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) | 6,399,986 |
Number of shares outstanding, ownership percentage | 4.44% |
Series B | Inversiones TLC Spa |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) |  | 0
Number of shares outstanding, ownership percentage |  | 0.00%
Series B | Banco de Chile via State Street |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) |  | 10,979,388
Number of shares outstanding, ownership percentage |  | 7.69%
Series B | Inv. Global Mining Chile Ltda. |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) |  | 0
Number of shares outstanding, ownership percentage |  | 0.00%
Series B | Banco Santander Via Foreign Investor Accounts |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) |  | 8,181,775
Number of shares outstanding, ownership percentage |  | 5.73%
Series B | Banco de Chile non-resident third party accounts |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of outstanding shares (in shares) |  | 6,181,476
Number of shares outstanding, ownership percentage |  | 4.33%
Series B | Inversiones TLC SpA |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares owned by the company or its subsidiaries or associates (in shares) | 748,490 | 748,490
Series A and B stock | Sociedad De Inversiones Pampa Calichera S.A. |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares owned by the company or its subsidiaries or associates (in shares) | 46,600,458 | 46,600,458
Series A and B stock | Inversiones TLC SpA |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Percentage of voting equity held by the Company or its subsidiaries | 22.16% |

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