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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Period Type:	duration

SHARE REPURCHASE PROGRAMS (Details) - USD ($) $ in Millions	9 Months Ended
SHARE REPURCHASE PROGRAMS (Details) - USD ($) $ in Millions	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
December 2017 Program
Accelerated Share Repurchases [Line Items]
Common stock repurchases	$ 28	$ 66
Common Stock \| December 2017 Program
Accelerated Share Repurchases [Line Items]
Repurchased and retired shares (in shares)	369,000	933,000
December 2017 Program
Accelerated Share Repurchases [Line Items]
Maximum number of share repurchases authorization (in shares)			1,500,000.0