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Equity (Details) - Schedule of shareholder composition - shares | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
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Equity (Details) - Schedule of shareholder composition [Line Items] |  |  |  |
Shares |  | 168,600,275,923 | 167,735,787,923 | 165,995,455,123
American Depository Receipts (ADRs) | [1] | 19,845,850,871 | 20,710,338,871 | 22,450,671,671
Total |  | 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] |  |  |  |
Equity (Details) - Schedule of shareholder composition [Line Items] |  |  |  |
Shares |  | 66,822,519,695 | 66,822,519,695 | 66,822,519,695
American Depository Receipts (ADRs) | [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] |  |  |  |
Equity (Details) - Schedule of shareholder composition [Line Items] |  |  |  |
Shares |  | 59,770,481,573 |  |
American Depository Receipts (ADRs) | [1] |  |  |
Total |  | 59,770,481,573 |  |
Percentage of equity holding |  | 31.72% |  |
The Bank New York Mellon [Member] |  |  |  |
Equity (Details) - Schedule of shareholder composition [Line Items] |  |  |  |
Shares |  |  |  |
American Depository Receipts (ADRs) | [1] | 19,845,850,871 | 20,710,338,871 | 22,450,671,671
Total |  | 19,845,850,871 | 20,710,338,871 | 22,450,671,671
Percentage of equity holding |  | 10.53% | 10.99% | 11.91%
Banks on behalf of third parties [Member] |  |  |  |
Equity (Details) - Schedule of shareholder composition [Line Items] |  |  |  |
Shares |  | 16,841,385,216 | 17,318,500,798 | 15,925,407,468
American Depository Receipts (ADRs) | [1] |  |  |
Total |  | 16,841,385,216 | 17,318,500,798 | 15,925,407,468
Percentage of equity holding |  | 8.94% | 9.19% | 8.45%
Pension funds (AFP) on behalf of third parties [Member] |  |  |  |
Equity (Details) - Schedule of shareholder composition [Line Items] |  |  |  |
Shares |  | 13,742,809,166 | 11,949,134,854 | 9,929,343,874
American Depository Receipts (ADRs) | [1] |  |  |
Total |  | 13,742,809,166 | 11,949,134,854 | 9,929,343,874
Percentage of equity holding |  | 7.29% | 6.34% | 5.27%
Stock brokers on behalf of third parties [Member] |  |  |  |
Equity (Details) - Schedule of shareholder composition [Line Items] |  |  |  |
Shares |  | 6,122,497,451 | 5,870,596,720 | 6,892,162,980
American Depository Receipts (ADRs) | [1] |  |  |
Total |  | 6,122,497,451 | 5,870,596,720 | 6,892,162,980
Percentage of equity holding |  | 3.25% | 3.12% | 3.66%
Other minority holders [Member] |  |  |  |
Equity (Details) - Schedule of shareholder composition [Line Items] |  |  |  |
Shares |  | 5,300,582,822 | 6,004,554,283 | 6,655,539,533
American Depository Receipts (ADRs) | [1] |  |  |
Total |  | 5,300,582,822 | 6,004,554,283 | 6,655,539,533
Percentage of equity holding |  | 2.81% | 3.18% | 3.53%
Teatinos Siglo XXI Inversiones Limitada [Member] |  |  |  |
Equity (Details) - Schedule of shareholder composition [Line Items] |  |  |  |
Shares |  |  | 59,770,481,573 | 59,770,481,573
American Depository Receipts (ADRs) | [1] |  |  |
Total |  |  | 59,770,481,573 | 59,770,481,573
Percentage of equity holding |  |  | 31.72% | 31.72%
[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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