SHARE-BASED COMPENSATION - Additional Information (Details) - USD ($)	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award
Share-based compensation expense	$ 30,000,000	$ 30,000,000	$ 30,000,000
Number of shares available for future grants under the Plan	19,000,000
Increase in number of common shares if all share-based awards were exercised or vested	24,000,000
Employee Service Share-based Compensation, Tax Benefit from Exercise of Stock Options	$ 4,000,000	$ 4,000,000	$ 4,000,000
Unrecognized share-based compensation cost for non-vested equity-classified share-based compensation arrangements	$ 43,000,000
Unrecognized share-based compensation costs for non-vested equity-classified share-based compensation arrangements, weighted average period for recognition	1 year 2 months 12 days
Number of common shares to be issued for directors who elected common share payments subsequent to year-end	673,000
Number of stock-equivalent units outstanding in deferred compensation accounts	712,000	767,000	788,000
Restricted stock, restricted stock units, performance shares, performance share units, or other equity grants [Member]
Share-based Compensation Arrangement by Share-based Payment Award
Number of shares of shares an individual may receive in one year	1,000,000
Value of awards a participant may be granted in a 12 month period	$ 10,000,000
Stock options and stock appreciation rights [Member]
Share-based Compensation Arrangement by Share-based Payment Award
Number of shares of shares an individual may receive in one year	2,000,000
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Weighted average grant-date fair value	$ 33.62	$ 30.03	$ 25.83
Total grant-date fair value vested	$ 25,000,000	$ 19,000,000	$ 18,000,000
Performance share units
Share-based Compensation Arrangement by Share-based Payment Award
Weighted average grant-date fair value	$ 38.50	$ 33.16	$ 29.66
Total grant-date fair value vested	$ 8,000,000	$ 3,000,000	$ 3,000,000
Performance share units \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award
Final number of shares awarded of each grant's target	0.00%
Performance share units \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award
Final number of shares awarded of each grant's target		150.00%
Stock options
Share-based Compensation Arrangement by Share-based Payment Award
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Total intrinsic value of stock options exercised	$ 18,000,000	$ 13,000,000	$ 5,000,000

Number of common shares reserved for future issuance related to deferred compensation arrangements with individuals.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of tax benefit from exercise of option under share-based payment arrangement.

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Amount of noncash expense for share-based payment arrangement.

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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.

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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).

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The highest quantity of shares an employee can purchase under the plan per period.

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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.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Number of stock-equivalent units outstanding in deferred compensation accounts.

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Share Based Compensation Arrangement by Share Based Payment Award, Outstanding Award as Percentage of Shares Issued

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Potential amount of shares of common stock that can be issued pursuant to performance incentive plan, shares.

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Maximum value of restricted stock, restricted stock units, performance shares, performance share units or other equity grants an individual may earn in a 12 month period.

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