"The Committee evaluated a quicker reduction of monetary stimulus already on this meeting," the minutes read.
"The Committee decided that the best strategy would be to maintain the current pace of stimulus reduction but highlighting the possibility of a quicker adjustment in the next meeting."
Tuesday's $1 billion sale, taking central bank intervention since Thursday to over $4 billion, came as pressure on Brazilian assets intensified after President Jair Bolsonaro eliminated certain fuel taxes and increased a tax on banks.
There's a (market) crisis of confidence in the government, and we have negative rates.
The amount of outstanding loans in Brazil remained steady in the month at 4 trillion reais ($736 billion) and over the last 12 months loan growth accelerated 16%, the central bank said.
The average forecast for IPCA consumer price inflation at the end of this year rose to 3.8% from 3.6%, according to the latest weekly 'FOCUS' survey of over 100 economists.
The average inflation forecast over the next 12 months rose to 3.8% from 3.7%. The central bank's end-2022 goal is 3.50%.
The public sector deficit in December excluding interest payments was 51.8 billion reais ($9.5 billion), the central bank said, close to the 51.5 billion reais median estimate in a Reuters poll of economists.
The nominal deficit in December including interest payments widened to 75.8 billion reais, the central bank said, resulting in an annual deficit of 1.02 trillion reais, or 13.7% of GDP.
It was the second month in a row the benchmark annual IPCA consumer inflation rate has been above 4%.
The annual rate of 4.5% in December exceeded the 4.4% median forecast in a Reuters poll of economists and was higher than the central bank's year-end goal of 4.00%.
Policymakers had said last month they would intervene if the market was unable to absorb expected year-end outflows as local banks unwound their so-called overhedge position.