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Transactions with Related Parties (Details 2) - CLP ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | ---
Assets |  |  |
Cash and deposits in banks | $ 861,178 | $ 824,863 | $ 613,361
Financial derivative contracts | 8,148,608 | 3,100,635 | 2,238,647
Available for sale investments |  | 2,394,323 | 2,574,546
Other assets | 1,439,146 | 991,216 | 764,410
Liabilities |  |  |
Deposits and other demand liabilities | 13,192,817 | 13,067,819 | 7,768,166
Obligations under repurchase agreements Loans | 380,055 | 48,545 | 268,061
Time deposits and other time liabilities | 23,490,249 | 21,809,236 | 11,913,945
Financial derivative contracts | 7,390,654 | 2,517,728 | 2,139,488
Issued debt instruments | 9,500,723 | 8,115,233 | 7,093,653
Other financial liabilities | 2,806,325 | 900,407 | 745,363
Other related parties [member] |  |  |
Assets |  |  |
Cash and deposits in banks |  |  |
Trading investments |  |  |
Obligations under repurchase agreements Loans |  |  |
Financial derivative contracts | 55 | 9 |
Available for sale investments |  |  |
Other assets |  |  |
Liabilities |  |  |
Deposits and other demand liabilities | 566 | (480) | 221
Obligations under repurchase agreements Loans | 80 | 68 |
Time deposits and other time liabilities | 2,204 | (838) | 3,504
Financial derivative contracts | 3 |  | 7,190
Interbank borrowing |  |  |
Issued debt instruments |  |  |
Other financial liabilities |  |  |
Other liabilities |  |  |
Key Personnel [Member] |  |  |
Assets |  |  |
Cash and deposits in banks |  |  |
Trading investments |  |  |
Obligations under repurchase agreements Loans |  |  |
Financial derivative contracts |  |  |
Available for sale investments |  |  |
Other assets |  |  |
Liabilities |  |  |
Deposits and other demand liabilities | 4,624 | 2,493 | 2,470
Obligations under repurchase agreements Loans | 270 | 329 |
Time deposits and other time liabilities | 4,246 | 3,189 | 3,703
Financial derivative contracts |  |  |
Interbank borrowing |  |  |
Issued debt instruments |  |  |
Other financial liabilities |  |  |
Other liabilities |  |  |
Companies Of The Group [Member] |  |  |
Assets |  |  |
Cash and deposits in banks |  | 189,803 | 74,949
Trading investments |  |  |
Obligations under repurchase agreements Loans |  |  |
Financial derivative contracts | 218,610 | 748,632 | 545,028
Available for sale investments |  |  |
Other assets | 210,579 | 38,960 | 8,480
Liabilities |  |  |
Deposits and other demand liabilities | 93,761 | 27,515 | 24,776
Obligations under repurchase agreements Loans | 5,000 | 6,501 | 50,945
Time deposits and other time liabilities | 282,171 | 2,585,337 | 785,988
Financial derivative contracts | 288,013 | 770,624 | 418,647
Interbank borrowing |  |  |
Issued debt instruments |  | 335,443 | 482,626
Other financial liabilities |  | 6,807 | 4,919
Other liabilities | 146,164 | 60,884 | 164,303
Associated Companies [Member] |  |  |
Assets |  |  |
Cash and deposits in banks | 171,816 |  |
Trading investments |  |  |
Obligations under repurchase agreements Loans |  |  |
Financial derivative contracts | 2,058,715 | 105,358 | 86,011
Available for sale investments |  |  |
Other assets | 185,317 | 51,842 | 118,136
Liabilities |  |  |
Deposits and other demand liabilities | 25,261 | (21,577) | 25,805
Obligations under repurchase agreements Loans | 138,498 |  |
Time deposits and other time liabilities | 1,183,235 |  | 27,968
Financial derivative contracts | 2,159,660 | 112,523 | 142,750
Interbank borrowing |  |  |
Issued debt instruments | 363,154 |  |
Other financial liabilities | 6,231 |  |
Other liabilities | 8,130 | 89,817 | $ 58,168
London Clearing House (LCH) [Member] |  |  |
Assets |  |  |
Available for sale investments | 73,109 |  |
Comder Contraparte Central S.A. [Member] |  |  |
Assets |  |  |
Available for sale investments | $ 65,140 | $ 42,910 |

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