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Significant Events (Details) - CLP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure of financial liabilities [line items] |  |
Notional amount | $ 377,131,597 | $ 241,467,084
Bonds [Member] | EUR |  |
Disclosure of financial liabilities [line items] |  |
Notional amount | $ 65,000,000 |
Bonds [Member] | EUR | Senior Bonds EUR [Member] |  |
Disclosure of financial liabilities [line items] |  |
Currency | EUR |
Notional amount | $ 40,000,000 |
Term (annual) | P7Y |
Issuance rate (annual) | 1.09% |
Issue date | Feb. 01, 2019 |
Maturity date | Jul. 02, 2026 |
Bonds [Member] | EUR | Senior Bonds EUR1 [Member] |  |
Disclosure of financial liabilities [line items] |  |
Currency | EUR |
Notional amount | $ 25,000,000 |
Term (annual) | P15Y |
Issuance rate (annual) | 1.25% |
Issue date | Nov. 26, 2019 |
Maturity date | Jan. 03, 2022 |
Bonds [Member] | AUD [Member] |  |
Disclosure of financial liabilities [line items] |  |
Notional amount | $ 185,000,000 |
Bonds [Member] | AUD [Member] | Senior Bonds AUD [Member] |  |
Disclosure of financial liabilities [line items] |  |
Currency | AUD |
Notional amount | $ 22,000,000 |
Term (annual) | P15Y |
Issuance rate (annual) | 3.66% |
Issue date | May 13, 2019 |
Maturity date | May 20, 2034 |
Bonds [Member] | AUD [Member] | Senior Bonds AUD1 [Member] |  |
Disclosure of financial liabilities [line items] |  |
Currency | AUD |
Notional amount | $ 20,000,000 |
Term (annual) | P5Y |
Issuance rate (annual) | 1.13% |
Issue date | Jul. 11, 2019 |
Maturity date | Nov. 07, 2024 |
Bonds [Member] | AUD [Member] | Senior Bonds AUD2 [Member] |  |
Disclosure of financial liabilities [line items] |  |
Currency | AUD |
Notional amount | $ 28,000,000 |
Term (annual) | P5Y |
Issuance rate (annual) | 1.13% |
Issue date | Jul. 17, 2019 |
Maturity date | Jul. 17, 2024 |
Bonds [Member] | AUD [Member] | Senior Bonds AUD3 [Member] |  |
Disclosure of financial liabilities [line items] |  |
Currency | AUD |
Notional amount | $ 15,000,000 |
Term (annual) | P5Y |
Issuance rate (annual) | 1.13% |
Issue date | Jul. 17, 2019 |
Maturity date | Jul. 17, 2024 |
Bonds [Member] | AUD [Member] | Senior Bonds AUD4 [Member] |  |
Disclosure of financial liabilities [line items] |  |
Currency | AUD |
Notional amount | $ 75,000,000 |
Term (annual) | P20Y |
Issuance rate (annual) | 3.05% |
Issue date | Aug. 30, 2019 |
Maturity date | Feb. 28, 2039 |
Bonds [Member] | AUD [Member] | Senior Bonds AUD5 [Member] |  |
Disclosure of financial liabilities [line items] |  |
Currency | AUD |
Notional amount | $ 12,000,000 |
Term (annual) | P15Y |
Issuance rate (annual) | 3.16% |
Issue date | Nov. 12, 2019 |
Maturity date | Nov. 20, 2034 |
Bonds [Member] | AUD [Member] | Senior Bonds AUD6 [Member] |  |
Disclosure of financial liabilities [line items] |  |
Currency | AUD |
Notional amount | $ 13,000,000 |
Term (annual) | P15Y |
Issuance rate (annual) | 2.91% |
Issue date | Nov. 21, 2019 |
Maturity date | Nov. 27, 2034 |
Bonds [Member] | CHF |  |
Disclosure of financial liabilities [line items] |  |
Notional amount | $ 250,000,000 |
Bonds [Member] | CHF | Senior Bonds CHF [Member] |  |
Disclosure of financial liabilities [line items] |  |
Currency | CHF |
Notional amount | $ 150,000,000 |
Term (annual) | P5Y |
Issuance rate (annual) | 3.80% |
Issue date | Mar. 12, 2019 |
Maturity date | Sep. 27, 2024 |
Bonds [Member] | CHF | Senior Bonds CHF1 [Member] |  |
Disclosure of financial liabilities [line items] |  |
Currency | CHF |
Notional amount | $ 100,000,000 |
Term (annual) | P10Y |
Issuance rate (annual) | 1.40% |
Issue date | Aug. 29, 2019 |
Maturity date | Aug. 29, 2029 |

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