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CASH AND CASH EQUIVALENTS, AND SHORT AND LONG-TERM INVESTMENTS (Tables) | 12 Months Ended
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Dec. 31, 2020
CASH AND CASH EQUIVALENTS, AND SHORT AND LONG-TERM INVESTMENTS |
Schedule of cash and cash equivalents and investments |
|  | 2020 |  | 2019
Cash |  | 9,060 |  | 12,302
Banks and immediately available investments |  | 4,608,144 |  | 2,629,350
Cash and cash equivalents |  | 4,617,204 |  | 2,641,652
Immediately available investments include investments with maturity up to 90 days, immediate liquidity and low risk of fair value variation.
|  | 2020 |  | 2019
Short-term investments |  | 3,041,143 |  | 3,652,949

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