VARIABLE INTEREST ENTITIES (Narrative) (Details) $ in Millions	9 Months Ended
Sep. 30, 2021 USD ($) entity	Sep. 30, 2020 USD ($)
Variable Interest Entities
Number of unconsolidated tax credit fund entities that were considered to be Variable Interest Entities \| entity	4
Equity method investment in VIEs, net	$ 20.0
Investment tax credit amount		$ 108.4
Capital contributions	$ 170.0

Number of unconsolidated tax credit fund entities that were considered to be Variable Interest Entities

No definition available.

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- Definition

No definition available

+ References

No definition available.

+ Details

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- Definition

The carrying amount of the reporting entity's equity method investment in a Variable Interest Entity included in the reporting entity's statement of financial position.

+ References

No definition available.

+ Details

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Balance Type:	debit
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- Definition

The amount deducted from an entities' taxes, reflecting a percentage of an amount invested in certain assets spread over the useful life of those assets; includes deferred investment tax credits.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

+ Details

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- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant