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SHARE-BASED COMPENSATION (DETAILS 2) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Restricted Stock And Restricted Stock Units RSU [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] |  |  |
Share based compensation expense incurred | $ 74 | $ 59 | $ 73
Tax benefit related to share-based compensation costs incurred | $ 16 | $ 15 | $ 14
Restricted Stock And Restricted Stock Units RSU [Member] | Share Settled [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |  |  |
Granted (in shares) | 692,316 | 661,398 | 1,121,066
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] |  |  |
Weighted average grant date fair value - granted (in usd per share) | $ 53.86 | $ 51.95 | $ 44.46
Restricted Stock And Restricted Stock Units RSU [Member] | Cash Settled [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |  |  |
Nonvested restricted stock - beginning of year (in shares) | 1,503,264 | 1,503,380 |
Granted (in shares) | 515,122 | 487,758 | 1,018,083
Nonvested restricted stock - end of year (in shares) | 1,459,513 | 1,503,264 | 1,503,380
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] |  |  |
Liability for cash-settled units | $ 48 | $ 33 |
Performance Based Restricted Stock and Restricted Stock Units [Member] | Share Settled [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |  |  |
Nonvested restricted stock - beginning of year (in shares) | 201,000 |  |
Granted (in shares) | 104,000 |  |
Performance Adjustment (in shares) | 26,000 |  |
Vested (in shares) | (48,000) |  |
Forfeited (in shares) | 0 |  |
Nonvested restricted stock - end of year (in shares) | 283,000 | 201,000 |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] |  |  |
Weighted average grant date fair value - beginning of year (in usd per share) | $ 49.24 |  |
Weighted average grant date fair value - granted (in usd per share) | 53.80 |  |
Weighted average grant date fair value - performance adjustment (in usd per share) | 45.95 |  |
Weighted average grant date fair value - vested (in usd per share) | 45.38 |  |
Weighted average grant date fair value - forfeited (in usd per share) | 0.00 |  |
Weighted average grant date fair value - end of year (in usd per share) | $ 51.27 | $ 49.24 |
Performance Based Restricted Stock and Restricted Stock Units [Member] | Cash Settled [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |  |  |
Nonvested restricted stock - beginning of year (in shares) | 70,000 |  |
Granted (in shares) | 17,793 |  |
Performance Adjustment (in shares) | 12,000 |  |
Vested (in shares) | (32,000) |  |
Forfeited (in shares) | 0 |  |
Nonvested restricted stock - end of year (in shares) | 68,000 | 70,000 |
Service Based Restricted Stock And Restricted Stock Units [Member] | Share Settled [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |  |  |
Nonvested restricted stock - beginning of year (in shares) | 1,954,000 |  |
Granted (in shares) | 589,000 |  |
Vested (in shares) | (789,000) |  |
Forfeited (in shares) | (161,000) |  |
Nonvested restricted stock - end of year (in shares) | 1,593,000 | 1,954,000 |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] |  |  |
Weighted average grant date fair value - beginning of year (in usd per share) | $ 43.34 |  |
Weighted average grant date fair value - granted (in usd per share) | 53.87 |  |
Weighted average grant date fair value - vested (in usd per share) | 39.29 |  |
Weighted average grant date fair value - forfeited (in usd per share) | 47.33 |  |
Weighted average grant date fair value - end of year (in usd per share) | $ 48.88 | $ 43.34 |
Service Based Restricted Stock And Restricted Stock Units [Member] | Cash Settled [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |  |  |
Nonvested restricted stock - beginning of year (in shares) | 1,433,000 |  |
Granted (in shares) | 497,329 |  |
Vested (in shares) | (377,000) |  |
Forfeited (in shares) | (161,000) |  |
Nonvested restricted stock - end of year (in shares) | 1,392,000 | 1,433,000 |

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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