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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Summary of Significant Accounting Policies

Schedule of entities in which bank directly or indirectly owns a controlling interest

								Interest Owned
								Direct				Indirect				Total
						Functional		2016		2017		2016		2017		2016		2017
RUT		Subsidiaries		Country		Currency		%		%		%		%		%		%
96,767,630-6		Banchile Administradora General de Fondos S.A.		Chile		Ch$		99.98		99.98		0.02		0.02		100.00		100.00
96,543,250-7		Banchile Asesoría Financiera S.A.		Chile		Ch$		99.96		99.96		—		—		99.96		99.96
77,191,070-K		Banchile Corredores de Seguros Ltda.		Chile		Ch$		99.83		99.83		0.17		0.17		100.00		100.00
96,571,220-8		Banchile Corredores de Bolsa S.A.		Chile		Ch$		99.70		99.70		0.30		0.30		100.00		100.00
96,932,010-K		Banchile Securitizadora S.A.		Chile		Ch$		99.01		99.01		0.99		0.99		100.00		100.00
96,645,790-2		Socofin S.A.		Chile		Ch$		99.00		99.00		1.00		1.00		100.00		100.00

Schedule of maximum period for write-offs of loans

Type of Loan		Term
Consumer loans — secured and unsecured		6 months
Other transactions — unsecured		24 months
Commercial loans — secured		36 months
Residential mortgage loans		48 months
Consumer leases		6 months
Other non-real estate lease transactions		12 months
Real estate leases (commercial or residential)		36 months

Schedule of estimated useful lives

Estimated useful lives for 2016 and 2017 are as follows:

Buildings		50 years
Installations (in general)		10 years
Equipment		5 years
Office furniture		5 years