XML 56 R41.htm IDEA: XBRL DOCUMENT v3.21.2
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Market Risk (Details)
6 Months Ended
Jun. 30, 2021
equity_type
Interest rate contracts - short-term borrowings  
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS  
Floating rate debt as target percentage of total debt outstanding 30.00%
Short-term pay fixed-receive floating interest rate swaps  
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS  
Average swap rate (percent) 3.10%
Average swap rate, variable (as a percent) 2.20%
Equity contracts  
RISK MANAGEMENT AND FINANCIAL INSTRUMENTS  
Number of forms of stock-based compensation with equity price risk 1