SHORT-TERM DEBT AND LINES OF CREDIT - SHORT-TERM BORROWINGS (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Dec. 31, 2021
Commercial paper
Short-term borrowings
Commercial paper outstanding	$ 1,448.3	$ 1,896.1
Weighted average interest rate on amounts outstanding	0.92%	0.26%
Average amount of commercial paper outstanding during the period	$ 1,663.9
Weighted-average interest rate on amounts outstanding during the period	0.38%
Operating expense loans
Short-term borrowings
Operating expense loan outstanding	$ 1.7	$ 0.9

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, average borrowings during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
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