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LONG-TERM DEBT - Additional Information (Narrative) (Details) - USD ($) $ in Billions	Dec. 31, 2020	Dec. 31, 2019
Debt Disclosure [Abstract]
Weighted average interest rate	5.50%	6.40%
Aggregate market value of debt	$ 6.2	$ 6.1

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- References

No definition available.

+ Details

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

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