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SHARE REPURCHASE PROGRAMS (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
December 2017 Program
Accelerated Share Repurchases [Line Items]
Common stock repurchases	$ 13	$ 17
Common Stock | December 2017 Program
Accelerated Share Repurchases [Line Items]
Repurchased and retired shares (in shares)	171,000	221,000
December 2017 Program
Accelerated Share Repurchases [Line Items]
Maximum number of share repurchases authorization (in shares)			1,500,000.0

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Represents maximum amount of shares authorized for repurchases under the Anti-Dilutive Share Repurchase Program.

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Number of shares that have been repurchased and retired during the period.

+ 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(28))
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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644

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