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STOCKHOLDERS’ EQUITY AND REDEEMABLE NONCONTROLLING INTEREST (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 3 Months Ended | 5 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Jul. 01, 2015
Schedule of Stockholders' Equity and Redeemable Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |
Dividends per common share | $ 0.45 | $ 0.45 | $ 0.45 | $ 0.45 | $ 0.40 | $ 0.40 | $ 0.40 |  | $ 1.35 | $ 1.20 |
Share repurchase authorization remaining available | $ 1,000 |  |  |  |  |  |  |  | $ 1,000 |  |
Purchases of treasury stock, value |  |  |  |  |  |  |  |  | $ 365 | $ 440 |
Reissuance of shares for employee benefit plan |  |  |  |  |  |  |  |  | 2.3 | 1.4 |
UMass Joint Venture [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Stockholders' Equity and Redeemable Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |
Ownership percentage by noncontrolling owners |  |  |  |  |  |  |  |  |  |  | 18.90%
Accelerated Share Repurchase Program [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Stockholders' Equity and Redeemable Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |
Purchases of treasury stock- shares |  |  |  |  | 0.3 | 2.8 |  | 3.1 |  | 3.1 |
Purchases of treasury stock, value |  |  |  |  |  |  |  | $ 250 |  |  |
Treasury stock acquired accelerated share repurchase, final purchase price, per share |  |  |  |  |  |  |  | $ 81.04 |  |  |
Treasury Stock, at Cost [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Stockholders' Equity and Redeemable Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |
Purchases of treasury stock- shares |  |  |  |  |  |  |  |  | 3.6 | 5.7 |
Purchases of treasury stock, value |  |  |  |  |  |  |  |  | $ 365 | $ 440 |
Share repurchase, accrual | $ 15 |  |  |  |  |  |  |  | $ 15 |  |

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- Definition Final price paid per share for the purchase of the targeted number of shares, determined by an average market price over a fixed period of time. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653 + Details
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- Definition Number of treasury shares (units) reissued during the period, excluding reissuance of shares (units) held in treasury used to satisfy equity-based compensation obligations exercised by the holders of such rights. Upon reissuance of shares (units) from treasury, either the common or preferred stock (unit) reissued is outstanding. + 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(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644 + Details
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