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Financial Instruments (Details 5) - CLP ($)
Dec. 31, 2018
Dec. 31, 2017
Disclosure of Financial Instrument [Line Items]    
Derivative financial instruments $ 11,522,482,000 $ 3,158,391,000
Market securities and investments in other companies 11,010,433,000 7,565,805,000
Derivative hedge assets 3,537,633,000 1,918,191,000
Total other financial assets 26,070,548 12,642,387,000
Derivative hedge liabilities 1,351,530,000 1,840,188,000
Derivative financial instruments 4,997,124,000 10,416,675,000
Total financial derivative liabilities 6,348,654,000 12,256,863,000
Fair value hierarchyLevel 1 [member]    
Disclosure of Financial Instrument [Line Items]    
Derivative financial instruments 0 0
Market securities and investments in other companies 11,010,433,000 7,565,805,000
Derivative hedge assets 0 0
Total other financial assets 11,010,433 7,565,805,000
Derivative hedge liabilities 0 0
Derivative financial instruments 0 0
Total financial derivative liabilities 0 0
Fair value hierarchyLevel 2 [member]    
Disclosure of Financial Instrument [Line Items]    
Derivative financial instruments 11,522,482,000 3,158,391,000
Market securities and investments in other companies 0 0
Derivative hedge assets 3,537,633,000 1,918,191,000
Total other financial assets 15,060,115 5,076,582,000
Derivative hedge liabilities 1,351,530,000 1,840,188,000
Derivative financial instruments 4,997,124,000 10,416,675,000
Total financial derivative liabilities 6,348,654,000 12,256,863,000
Fair value hierarchyLevel 3 [member]    
Disclosure of Financial Instrument [Line Items]    
Derivative financial instruments 0 0
Market securities and investments in other companies 0 0
Derivative hedge assets 0 0
Total other financial assets 0 0
Derivative hedge liabilities 0 0
Derivative financial instruments 0 0
Total financial derivative liabilities $ 0 $ 0