International activities	12 Months Ended
Dec. 31, 2019
International Activities [Abstract]
International Activities	17. International activities The Company engages in limited international activities including certain trust-related services in Europe, collecting Eurodollar deposits, engaging in foreign currency transactions associated with customer activity, providing credit to support the international activities of domestic companies and holding certain loans to foreign borrowers. Assets and revenues associated with international activities represent less than 1% of the Company’s consolidated assets and revenues. International assets included $186 million and $172 million of loans to foreign borrowers at December 31, 2019 and 2018, respectively. Deposits at M&T Bank’s Cayman Islands office were $1.68 billion and $812 million at December 31, 2019 and 2018, respectively. The Company uses such deposits to facilitate customer demand and as an alternative to short-term borrowings when the costs of such deposits seem reasonable. Deposits at M&T Bank’s office in Ontario, Canada were $23 million at December 31, 2019 and $22 million at December 31, 2018. Revenues from providing international trust-related services were approximately $32 million in 2019, $29 million in 2018 and $24 million in 2017.

International activities

12 Months Ended

Dec. 31, 2019

17. International activities

The Company engages in limited international activities including certain trust-related services in Europe, collecting Eurodollar deposits, engaging in foreign currency transactions associated with customer activity, providing credit to support the international activities of domestic companies and holding certain loans to foreign borrowers. Assets and revenues associated with international activities represent less than 1% of the Company’s consolidated assets and revenues. International assets included $186 million and $172 million of loans to foreign borrowers at December 31, 2019 and 2018, respectively. Deposits at M&T Bank’s Cayman Islands office were $1.68 billion and $812 million at December 31, 2019 and 2018, respectively. The Company uses such deposits to facilitate customer demand and as an alternative to short-term borrowings when the costs of such deposits seem reasonable. Deposits at M&T Bank’s office in Ontario, Canada were $23 million at December 31, 2019 and $22 million at December 31, 2018. Revenues from providing international trust-related services were approximately $32 million in 2019, $29 million in 2018 and $24 million in 2017.