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Equity - Shareholders' composition (Details) - shares | Dec. 31, 2019 | Dec. 31, 2018
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Shareholders' composition: |  |
Number of shares | 101,017,081,114 | 101,017,081,114
% of Equity Holding (in percentage) | 100.00% | 100.00%
Sociedad Administradora de la Obligación Subordinada SAOS S.A. [Member] |  |
Shareholders' composition: |  |
Number of shares |  | 28,593,701,789
% of Equity Holding (in percentage) |  | 28.31%
LQ Inversiones Financieras S.A. [Member] |  |
Shareholders' composition: |  |
Number of shares | 46,815,289,329 | 27,460,203,382
% of Equity Holding (in percentage) | 46.34% | 27.18%
Sociedad Matriz del Banco de Chile S.A. [Member] |  |
Shareholders' composition: |  |
Number of shares |  | 12,138,573,251
% of Equity Holding (in percentage) |  | 12.02%
Other minority shareholders [Member] |  |
Shareholders' composition: |  |
Number of shares | 43,638,381,510 | 32,824,602,692
% of Equity Holding (in percentage) | 43.20% | 32.49%
Banchile Corredores De Bolsa S.a [Member] |  |
Shareholders' composition: |  |
Number of shares | 5,708,422,261 |
% of Equity Holding (in percentage) | 5.65% |
Inversiones LQ-SM Limitada [Member] |  |
Shareholders' composition: |  |
Number of shares | 4,854,988,014 |
% of Equity Holding (in percentage) | 4.81% |

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- Definition The number of shares issued by the entity, for which full payment has been received. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 79 -Subparagraph a -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_79_a_ii&doctype=Standard -URIDate 2019-03-27 + Details
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