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SHORT-TERM AND LONG-TERM DEBT - Narrative (Details) - Senior Notes [Member]	Mar. 31, 2018	Dec. 31, 2017
Senior Notes, 4.20% due 2047 [Member]
Debt Instrument [Line Items]
Stated interest rate	4.20%	4.20%
Senior Notes, 3.75% due 2046 [Member]
Debt Instrument [Line Items]
Stated interest rate	3.75%	3.75%
Senior Notes, 4.60% due 2045 [Member]
Debt Instrument [Line Items]
Stated interest rate	4.60%	4.60%

X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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