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EMPLOYEE BENEFITS - Expected Future Benefit Payments (Details) $ in Millions	Dec. 31, 2020 USD ($)
Expected benefit payments by fiscal year ended
December 31, 2021	$ 69
December 31, 2022	70
December 31, 2023	70
December 31, 2024	70
December 31, 2025	70
December 31, 2026 - 2030	$ 351

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Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
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-Section 50
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Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year.

+ References

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-Publisher FASB
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Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
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Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year.

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