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v3.19.1

EQUITY (Details 1) - shares | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
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Disclosure of transactions between related parties [line items] |  |  |  |  |
Shares |  | 161,960,126,723 | 157,207,260,723 | 153,645,193,123 |
American Depository Receipts (ADR) | [1] | 26,486,000,071 | 31,238,866,071 | 34,800,933,671 |
Total |  | 188,446,126,794 | 188,446,126,794 | 188,446,126,794 | 188,446,126,794
Percentage of equity holding |  | 100.00% | 100.00% | 100.00% |
Santander Chile Holding S.A. [Member] |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |
Shares |  | 66,822,519,695 | 66,822,519,695 | 66,822,519,695 |
American Depository Receipts (ADR) | [1] |  |  |  |
Total |  | 66,822,519,695 | 66,822,519,695 | 66,822,519,695 |
Percentage of equity holding |  | 35.46% | 35.46% | 35.46% |
Teatinos Siglo XXI Inversiones Limitada [Member] |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |
Shares |  | 59,770,481,573 | 59,770,481,573 | 59,770,481,573 |
American Depository Receipts (ADR) | [1] |  |  |  |
Total |  | 59,770,481,573 | 59,770,481,573 | 59,770,481,573 |
Percentage of equity holding |  | 31.72% | 31.72% | 31.72% |
The Bank New York Mellon [Member] |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |
Shares |  |  |  |  |
American Depository Receipts (ADR) | [1] | 26,486,000,071 | 31,238,866,071 | 34,800,933,671 |
Total |  | 26,486,000,071 | 31,238,866,071 | 34,800,933,671 |
Percentage of equity holding |  | 14.05% | 16.58% | 18.47% |
Banks On Behalf Of Third Parties [Member] |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |
Shares |  | 15,451,106,985 | 13,892,691,988 | 12,257,100,312 |
American Depository Receipts (ADR) | [1] |  |  |  |
Total |  | 15,451,106,985 | 13,892,691,988 | 12,257,100,312 |
Percentage of equity holding |  | 8.20% | 7.37% | 6.50% |
Pension Funds (AFP) On Behalf Of Third Parties [Member] |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |
Shares |  | 9,033,172,896 | 6,896,552,755 | 6,990,857,997 |
American Depository Receipts (ADR) | [1] |  |  |  |
Total |  | 9,033,172,896 | 6,896,552,755 | 6,990,857,997 |
Percentage of equity holding |  | 4.79% | 3.66% | 3.71% |
Stock Brokers On Behalf Of Third Parties [Member] |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |
Shares |  | 4,773,558,507 | 3,762,310,365 | 3,071,882,351 |
American Depository Receipts (ADR) | [1] |  |  |  |
Total |  | 4,773,558,507 | 3,762,310,365 | 3,071,882,351 |
Percentage of equity holding |  | 2.53% | 2.00% | 1.63% |
Other Minority Holders [Member] |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |
Shares |  | 6,109,287,067 | 6,062,704,347 | 4,732,351,195 |
American Depository Receipts (ADR) | [1] |  |  |  |
Total |  | 6,109,287,067 | 6,062,704,347 | 4,732,351,195 |
Percentage of equity holding |  | 3.25% | 3.21% | 2.51% |
[1] | American Depository Receipts (ADR) are certificates issued by a U.S. commercial bank to be traded on the U.S. securities markets.

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