STOCKHOLDERS’ EQUITY AND REDEEMABLE NONCONTROLLING INTEREST (Narrative) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	1 Months Ended	3 Months Ended						6 Months Ended
	May 31, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Jun. 30, 2016	Jun. 30, 2015	Jul. 01, 2015
Schedule of Stockholders' Equity and Redeemable Noncontrolling Interest [Line Items]
Dividends per common share		$ 0.40	$ 0.40	$ 0.38	$ 0.38	$ 0.38	$ 0.38	$ 0.80	$ 0.76
Share repurchase authorization remaining available		$ 582						$ 582
Purchases of treasury stock, value								$ (390)	$ (149)
Reissuance of shares for employee benefit plan								0.9	1.2
Treasury Stock, at Cost
Schedule of Stockholders' Equity and Redeemable Noncontrolling Interest [Line Items]
Purchases of treasury stock- shares								4.8	2.1
Purchases of treasury stock, value								$ (352)	$ (149)
Additional Paid-In Capital
Schedule of Stockholders' Equity and Redeemable Noncontrolling Interest [Line Items]
Purchases of treasury stock, value								$ (38)
UMass [Member]
Schedule of Stockholders' Equity and Redeemable Noncontrolling Interest [Line Items]
Ownership percentage by noncontrolling owners										18.90%
UMass Joint Venture [Member]
Schedule of Stockholders' Equity and Redeemable Noncontrolling Interest [Line Items]
Redeemable noncontrolling interest, consideration										$ 68
Accelerated Share Repurchase Program [Member]
Schedule of Stockholders' Equity and Redeemable Noncontrolling Interest [Line Items]
Purchases of treasury stock- shares								2.8
Treasury stock, value, to be acquired	$ 250
Treasury stock acquired accelerated share repurchase, initial purchase price, per share								$ 76.16
Purchases of treasury stock, value								$ (212)
Treasury stock, percent of initial shares repurchased								85.00%
Accelerated Share Repurchase Program [Member] | Treasury Stock, at Cost
Schedule of Stockholders' Equity and Redeemable Noncontrolling Interest [Line Items]
Stockholders' equity, decrease								$ 212
Accelerated Share Repurchase Program [Member] | Additional Paid-In Capital
Schedule of Stockholders' Equity and Redeemable Noncontrolling Interest [Line Items]
Stockholders' equity, decrease								$ 38