EMPLOYEE RETIREMENT PLANS - Benefits Expected to be Paid in Each of the Next Five Years, and in Aggregate for the Five Years Thereafter (Details) $ in Millions	Dec. 31, 2018 USD ($)
Qualified
Benefits expected to be paid in each of the next five years, and in aggregate for the five years thereafter
2019	$ 48
2020	49
2021	50
2022	51
2023	52
2024-2028	263
Nonqualified Plan
Benefits expected to be paid in each of the next five years, and in aggregate for the five years thereafter
2019	13
2020	13
2021	12
2022	12
2023	12
2024-2028	$ 55

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

+ Details

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- Definition

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

+ References

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- Definition

Amount of benefits for defined benefit plan expected to be paid in fifth fiscal year following latest fiscal year.

+ References

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- Definition

Amount of benefits for defined benefit plan expected to be paid in fourth fiscal year following latest fiscal year.

+ References

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- Definition

Amount of benefits for defined benefit plan expected to be paid in third fiscal year following latest fiscal year.

+ References

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- Definition

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

+ References

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