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SHARE-BASED COMPENSATION - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Nov. 30, 2019 | Feb. 28, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Share based compensation arrangement by share-based payment award, options, grants in period, weighted average grant date fair value |  |  | $ 0.00 | $ 8.81 | $ 7.64 |
Closing common stock price |  |  | $ 52.90 |  |  |
Aggregate intrinsic value of stock options outstanding |  |  | $ 86 |  |  |
Options outstanding - weighted-average remaining term (Yrs) |  |  | 4 years 4 months 24 days |  |  |
In-the-money stock options exercisable |  |  | 3,600 |  |  |
Aggregate intrinsic value of stock options exercisable |  |  | $ 84 |  |  |
Weighted-average remaining term of stock options exercisable (in years) |  |  | 4 years 2 months 12 days |  |  |
Long-Term Incentive Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Share-based compensation arrangement by share-based payment award, maximum number of shares issuable |  |  | 75,000 |  |  |
Share-based compensation arrangement by share-based payment award, maximum number of shares issuable other than options and stock appreciation rights |  |  | 38,000 |  |  |
Shares available for future grants under the long-term incentive plan |  |  | 39,300 |  |  |
Long-term incentive plan awards, term (in years) |  |  | 10 years |  |  |
Long-term incentive plan, vesting period |  |  | 3 years |  |  |
Restricted Stock |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Restricted stock awards, grants in period |  |  | 1,070 | 1,121 | 1,118 |
Total compensation cost not yet recognized, restricted stock awards |  |  | $ 60 |  |  |
Share-based compensation arrangement by share-based payment award, equity instruments other than options, nonvested, number of shares |  |  | 2,573 | 3,407 | 3,634 | 3,736
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition |  |  | 1 year 1 month 6 days |  |  |
Performance Based Vesting Condition | Restricted Stock |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Long-term incentive plan, vesting period |  |  | 3 years |  |  |
Restricted stock awards, grants in period |  | 399 |  |  |  |
Percentage of target award opportunities minimum |  |  | 0.00% |  |  |
Percentage of target award opportunities maximum |  |  | 200.00% |  |  |
Total compensation cost not yet recognized, restricted stock awards |  |  | $ 30 |  |  |
Share-based compensation arrangement by share-based payment award, equity instruments other than options, nonvested, number of shares |  |  | 1,500 |  |  |
Performance Based Vesting Condition | Restricted Stock Units |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Long-term incentive plan, vesting period |  |  | 3 years |  |  |
Restricted stock awards, grants in period | 46 |  |  |  |  |
Percentage of target award opportunities minimum |  |  | 0.00% |  |  |
Percentage of target award opportunities maximum |  |  | 200.00% |  |  |

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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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=116856206&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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