Risk management (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure of Financial risk Management [Line Items]

Disclosure of liquidity risk [text block]

The following table shows the Bank’s liquid assets, by principal geographic area:

(in millions US$)	December 31, 2017		December 31, 2016
United States of America		612		591
Other O.E.C.D.		-		409
Multilateral		-		-
Latin America		7		8
Total		619		1,008

Disclosure of detailed information of assets and liabilities grouped by remaining maturity [Text Block]

The following table details the Banks’s assets and liabilities grouped by its remaining maturity with respect to the contractual maturity:

	December 31, 2017
Description	Up to 3 months		3 to 6 months		6 months to 1 year		1 to 5 years		More than 5 years		Without maturity		Total
Assets
Cash and cash equivalent		672,048		-		-		-		-		-		672,048
Investment securities		700		279		7,000		77,688		-		-		85,667
Equity investments		-		-		-		-		-		8,402		8,402
Loans at amortized cost		1,926,787		1,175,801		922,711		1,386,161		94,198		-		5,505,658
Unearned interest and deferred fees		(472)		(479)		(223)		(3,546)		(248)		(17)		(4,985)
Allowance for expected credit losses		-		-		-		-		-		(81,294)		(81,294)
Other assets		31,282		8,635		13,175		3,819		9,398		15,942		82,251
Total		2,630,345		1,184,236		942,663		1,464,122		103,348		(56,967)		6,267,747

Liabilities
Deposits		1,722,041		411,158		571,500		224,145		-		-		2,928,844
Other liabilities		806,547		151,090		291,694		979,958		66,802		-		2,296,091
Total		2,528,588		562,248		863,194		1,204,103		66,802		-		5,224,935

Confirmed letters of credit		169,042		101,403		3,004		-		-		-		273,449
Stand-by letters of credit and guaranteed – Commercial risk		18,687		72,080		77,952		257		-		-		168,976
Credit commitments		-		15,000		-		30,000		578		-		45,578
Total		187,729		188,483		80,956		30,257		578		-		488,003
Net position		(85,972)		433,505		(1,487)		229,762		35,968		(56,967)		554,809

	December 31, 2016
Description	Up to 3 months		3 to 6 months		6 months to 1 year		1 to 5 years		More than 5 years		Without maturity		Total
Assets
Cash and cash equivalent		1,069,538		-		-		-		-		-		1,069,538
Investment securities		1,024		3,000		-		83,643		20,756		(602)		107,821
Loans at amortized cost		2,262,349		1,267,194		551,794		1,843,476		95,918		-		6,020,731
Unearned interest and deferred fees		(663)		(906)		(258)		(4,762)		(660)		-		(7,249)
Allowance for expected credit losses		-		-		-		-		-		(105,988)		(105,988)
Other assets		55,445		6,587		3,721		6,399		642		23,136		95,930
Total		3,387,693		1,275,875		555,257		1,928,756		116,656		(83,454)		7,180,783

Liabilities
Deposits		2,306,413		173,288		275,631		47,520		-		-		2,802,852
Other liabilities		884,453		744,135		346,294		1,330,515		61,220		-		3,366,617
Total		3,190,866		917,423		621,925		1,378,035		61,220		-		6,169,469

Confirmed letters of credit		146,755		173,192		63,813		-		-		-		383,760
Stand-by letters of credit and guaranteed – commercial risk		70		8,595		360		-		-		-		9,025
Credit commitments		-		4,073		2,399		3,200		578		-		10,250
Total		146,825		185,860		66,572		3,200		578		-		403,035
Net position		50,002		172,592		(133,240)		547,521		54,858		(83,454)		608,279

Summary quantitative data about entity's exposure to risk [text block]

The following summary table presents a sensitivity analysis of the effect on the Bank’s results of operations derived from a reasonable variation in interest rates which its financial obligations are subject to, based on change in points.

	Change in interest rate	Effect on income

December 31, 2017	+200 bps		18,282
	-200 bps		(8,879)

December 31, 2016	+200 bps		24,603
	-200 bps		(11,382)

December 31, 2015	+200 bps		18,723
	-200 bps		(3,480)

Disclosure of detailed information about Operational Risk [Text Block]

No changes have been made to the objectives, policies and processes from the previous years. However, they are under constant review by the Board.

	December 31, 2017			December 31, 2016
Tier 1 capital		1,048,304			1,054,719

Risk weighted assets		5,601,518			6,350,544
Tier 1 capital ratio		18.71	%		16.61	%

Interest Rate Risk [Member]

Disclosure of Financial risk Management [Line Items]

Disclosure of market risk [text block]

The table below summarizes the Bank's exposure based on the terms of repricing of interest rates on financial assets and liabilities.

	December 31, 2017
Description	Up to 3 months		3 to 6 months		6 months to 1 year		1 to 5 years		More than 5 years		Total
Assets
Investments securities		700		279		7,000		77,688		-		85,667
Equity investments		-		-		-		-		8,402		8,402
Loans at amortized cost		4,067,639		952,542		301,334		173,550		10,593		5,505,658
Total		4,068,339		952,821		308,334		251,238		18,995		5,599,727

Liabilities
Deposits		2,242,220		305,415		197,060		102,085		-		2,846,780
Short and long term borrowings and debt, net		1,585,145		2,538		85,232		482,814		55,838		2,211,567
Total		3,827,365		307,953		282,292		584,899		55,838		5,058,347
Total interest rate sensibility		240,974		644,868		26,042		(333,661)		(36,843)		541,380

	December 31, 2016
Description	Up to 3 months		3 to 6 months		6 months to 1 year		1 to 5 years		More than 5 years		Total
Assets
Time deposit		125,000		-		-		-		-		125,000
Securities and other financial assets		9,025		3,000		-		72,094		18,200		102,319
Loans at amortized cost		4,350,913		1,445,290		140,609		83,919		-		6,020,731
Total		4,484,938		1,448,290		140,609		156,013		18,200		6,248,050

Liabilities
Deposits		2,179,399		173,288		275,631		47,520		-		2,675,838
Short and long term borrowings and debt, net		2,168,964		402,643		133,190		495,883		46,133		3,246,813
Total		4,348,363		575,931		408,821		543,403		46,133		5,922,651
Total interest rate sensibility		136,575		872,359		(268,212)		(387,390)		(27,933)		325,399

Currency risk [member]

Disclosure of Financial risk Management [Line Items]

Disclosure of market risk [text block]

The following table details the maximum to foreign currency, where all assets and liabilities are presented based on their book value, except for derivatives, which are included within other assets and other liabilities based on its value nominal.

	December 31, 2017
	Brazilian Real expressed in US$		European Euro expressed in US$		Japanese Yen expressed in US$		Colombian Peso expressed in US$		Mexican Peso expressed in US$		Other currencies expressed in US$⁽¹⁾		Total
Exchange rate		3.31		1.20		112.66		2,985.78		19.67		-		-

Assets
Cash and cash equivalent		87		2		4		91		369		75		628
Equity investments		168		-		-		-		-		-		168
Loans at amortized cost		-		-		-		-		143,182		-		143,182
Total		255		2		4		91		143,551		75		143,978

Liabilities
Borrowings and deposit placements		-		-		-		-		143,661		-		143,661
Other liabilities		-		-		-		-				-		-
Total		-		-		-		-		143,661		-		143,661

Net currency position		255		2		4		91		(110)		75		317

⁽¹⁾

It includes other currencies such as: Argentine pesos, Australian- dollar, Swiss franc, Pound sterling, Peruvian soles and Remimbis.

	December 31, 2016
	Brazilian Real expressed in US$		European Euro expressed in US$		Japanese Yen expressed in US$		Colombian Peso expressed in US$		Mexican Peso expressed in US$		Other currencies expressed in US$⁽¹⁾		Total
Exchange rate		3.25		1.06		116.68		3,002.00		20.6139		-		-

Assets
Cash and cash equivalent		4,014		6		6		55		2,339		74		6,494
Investments and other financial assets		-		-		-		-		-		-		-
Loans at amortized cost		-		-		-		-		295,580		-		295,580
Other assets		-		52,800		94,279		-		79,104		-		226,183
Total		4,014		52,806		94,285		55		377,023		74		528,257

Liabilities
Borrowings and deposit placements		-		-		94,279		-		280,557		-		374,836
Other liabilities		3,933		52,800		-		-		96,951		-		153,684
Total		3,933		52,800		94,279		-		377,508		-		528,520

Net currency position		81		6		6		55		(485)		74		(263)

⁽¹⁾

It includes other currencies such as: Argentine pesos, Australian- dollar, Canadian dollar, Swiss franc, Peruvian soles and Remimbis.