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Identification and Activities of the Company and Subsidiaries (Details 1) - shares | Dec. 31, 2021 | Dec. 31, 2020
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Inversiones TLC SPA [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of Shares Outstanding, Ownership Percentage | 21.90% | 23.77%
The Bank of New York Mellon, ADRs [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of Shares Outstanding, Ownership Percentage | 23.67% | 19.30%
Sociedad de Inversiones Pampa Calichera S.A. [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of Shares Outstanding, Ownership Percentage | 15.75% | 17.41%
Potasios de Chile S.A. [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of Shares Outstanding, Ownership Percentage | 6.36% | 6.91%
Inversiones Global Mining Chile Limitada [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of Shares Outstanding, Ownership Percentage | 3.08% | 3.34%
Banco de Chile Non Resident Third Party Accounts [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of Shares Outstanding, Ownership Percentage | 2.78% | 2.33%
Banco Santander via Foreign Investor [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of Shares Outstanding, Ownership Percentage | 3.10% | 2.77%
Banco de Chile via State Street [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of Shares Outstanding, Ownership Percentage | 3.22% | 2.65%
Euroamerica C de B SA [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of Shares Outstanding, Ownership Percentage |  | 3.34%
Inversiones la Esperanza de Chile Limitada [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of Shares Outstanding, Ownership Percentage | 1.49% | 1.59%
Banco de Chile on behalf of Citibank NA New York customers [member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of Shares Outstanding, Ownership Percentage | 1.70% |
Larran Vial S.A. Corredora de Bolsa [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of Shares Outstanding, Ownership Percentage | 1.32% |
AFP Habitat S.A. for Pension Fund C [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of Shares Outstanding, Ownership Percentage | 1.02% |
Banchile Corredora de Bolsa S. A. [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of Shares Outstanding, Ownership Percentage |  | 1.10%
Banco de Chile on behalf of Citibank NA New York customers [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of Shares Outstanding, Ownership Percentage |  | 0.73%
Series A Stock [Member] | Inversiones TLC SPA [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 62,556,568 | 62,556,568
Number of Shares Outstanding, Ownership Percentage | 43.80% | 43.80%
Series A Stock [Member] | The Bank of New York Mellon, ADRs [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 0 | 0
Number of Shares Outstanding, Ownership Percentage | 0.00% | 0.00%
Series A Stock [Member] | Sociedad de Inversiones Pampa Calichera S.A. [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 44,989,231 | 44,894,152
Number of Shares Outstanding, Ownership Percentage | 31.50% | 31.43%
Series A Stock [Member] | Potasios de Chile S.A. [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 18,179,147 | 18,179,147
Number of Shares Outstanding, Ownership Percentage | 12.73% | 12.73%
Series A Stock [Member] | Inversiones Global Mining Chile Limitada [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 8,798,539 | 8,798,539
Number of Shares Outstanding, Ownership Percentage | 6.16% | 6.16%
Series A Stock [Member] | Banco de Chile Non Resident Third Party Accounts [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 445 | 0
Number of Shares Outstanding, Ownership Percentage | 0.00% | 0.00%
Series A Stock [Member] | Banco Santander via Foreign Investor [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 0 | 0
Number of Shares Outstanding, Ownership Percentage | 0.00% | 0.00%
Series A Stock [Member] | Banco de Chile via State Street [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 23,428 | 0
Number of Shares Outstanding, Ownership Percentage | 0.02% | 0.00%
Series A Stock [Member] | Euroamerica C de B SA [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding |  | 1,418
Number of Shares Outstanding, Ownership Percentage |  | 0.00%
Series A Stock [Member] | Inversiones la Esperanza de Chile Limitada [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 4,246,226 | 4,147,263
Number of Shares Outstanding, Ownership Percentage | 2.97% | 2.90%
Series A Stock [Member] | Banco de Chile on behalf of Citibank NA New York customers [member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 67,463 |
Number of Shares Outstanding, Ownership Percentage | 0.05% |
Series A Stock [Member] | Larran Vial S.A. Corredora de Bolsa [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 125,726 |
Number of Shares Outstanding, Ownership Percentage | 0.09% |
Series A Stock [Member] | AFP Habitat S.A. for Pension Fund C [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 0 |
Number of Shares Outstanding, Ownership Percentage | 0.00% |
Series A Stock [Member] | Banchile Corredora de Bolsa S. A. [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding |  | 459,202
Number of Shares Outstanding, Ownership Percentage |  | 0.32%
Series A Stock [Member] | Banco de Chile on behalf of Citibank NA New York customers [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding |  | 177,463
Number of Shares Outstanding, Ownership Percentage |  | 0.12%
Series B Stock [Member] | Inversiones TLC SPA [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 0 | 0
Number of Shares Outstanding, Ownership Percentage | 0.00% | 0.00%
Series B Stock [Member] | The Bank of New York Mellon, ADRs [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 67,603,420 | 50,792,452
Number of Shares Outstanding, Ownership Percentage | 47.34% | 42.19%
Series B Stock [Member] | Sociedad de Inversiones Pampa Calichera S.A. [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 0 | 922,971
Number of Shares Outstanding, Ownership Percentage | 0.00% | 0.77%
Series B Stock [Member] | Potasios de Chile S.A. [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 0 | 0
Number of Shares Outstanding, Ownership Percentage | 0.00% | 0.00%
Series B Stock [Member] | Inversiones Global Mining Chile Limitada [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 0 | 0
Number of Shares Outstanding, Ownership Percentage | 0.00% | 0.00%
Series B Stock [Member] | Banco de Chile Non Resident Third Party Accounts [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 7,939,865 | 6,129,339
Number of Shares Outstanding, Ownership Percentage | 5.56% | 5.09%
Series B Stock [Member] | Banco Santander via Foreign Investor [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 8,856,091 | 7,294,827
Number of Shares Outstanding, Ownership Percentage | 6.20% | 6.06%
Series B Stock [Member] | Banco de Chile via State Street [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 9,178,379 | 6,971,782
Number of Shares Outstanding, Ownership Percentage | 6.43% | 5.79%
Series B Stock [Member] | Euroamerica C de B SA [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding |  | 8,788,517
Number of Shares Outstanding, Ownership Percentage |  | 7.30%
Series B Stock [Member] | Inversiones la Esperanza de Chile Limitada [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 0 | 46,500
Number of Shares Outstanding, Ownership Percentage | 0.00% | 0.04%
Series B Stock [Member] | Banco de Chile on behalf of Citibank NA New York customers [member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 4,795,310 |
Number of Shares Outstanding, Ownership Percentage | 3.36% |
Series B Stock [Member] | Larran Vial S.A. Corredora de Bolsa [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 3,653,614 |
Number of Shares Outstanding, Ownership Percentage | 2.56% |
Series B Stock [Member] | AFP Habitat S.A. for Pension Fund C [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding | 2,914,292 |
Number of Shares Outstanding, Ownership Percentage | 2.04% |
Series B Stock [Member] | Banchile Corredora de Bolsa S. A. [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding |  | 2,426,758
Number of Shares Outstanding, Ownership Percentage |  | 2.02%
Series B Stock [Member] | Banco de Chile on behalf of Citibank NA New York customers [Member] |  |
Identification and Activities of the Company and Subsidiaries [Line Items] |  |
Number of shares outstanding |  | 1,732,249
Number of Shares Outstanding, Ownership Percentage |  | 1.44%

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