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STOCK-BASED COMPENSATION PLANS (Tables) | 12 Months Ended
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Dec. 31, 2023
Share-Based Payment Arrangement [Abstract] |
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] | The table below summarizes the components of total stock-based compensation (in millions):
| 2023 |  | 2022 |  | 2021
Stock options | $ | 2 |  |  | $ | 3 |  |  | $ | 5 |
Stock awards(a) | 39 |  |  | 14 |  |  | 20 |
Deferred stock awards | 1 |  |  | 1 |  |  | 1 |
Employee stock purchase plan | 17 |  |  | 17 |  |  | 18 |
Stock-based compensation | $ | 59 |  |  | $ | 35 |  |  | $ | 44 |
Tax benefit related to stock-based compensation | $ | 14 |  |  | $ | 9 |  |  | $ | 11 |
Schedule of Unrecognized Compensation Cost, Nonvested Awards [Table Text Block] | Unrecognized stock-based compensation for non-vested options and awards and the weighted-average period the expense will be recognized (dollars in millions):
| Amount |  | Weighted-Average Period
Stock options | $ | 1 |  |  | 0
Stock awards | 26 |  |  | 1.6
Unrecognized stock-based compensation | $ | 27 |  |  | 1.6
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] | The fair value of each option grant was estimated on the date of grant using the Black-Scholes option-pricing model with the following weighted-average assumptions used for grants:
| 2023 |  | 2022 |  | 2021
Expected volatility | 46 | % |  | 44 | % |  | 43 | %
Expected term | 6 years |  | 6 years |  | 6 years
Risk-free interest rate | 3.64 | % |  | 1.91 | % |  | 0.68 | %
Expected dividend yield | — |  |  | — |  |  | — |
Weighted-average grant date fair value per share | $ | 16.77 |  |  | $ | 23.36 |  |  | $ | 23.66 |
Estimated fair value of options granted (millions) | $ | 1 |  |  | $ | 4 |  |  | $ | 4 |
Share-based Compensation, Stock Options, Activity [Table Text Block] | The tables below summarize stock option activity for the year ended December 31, 2023:
| Shares |  | Weighted- Average Exercise Price Per Share |  | Weighted- Average Contractual Life (Years) |  | Aggregate Intrinsic Value (in millions)
Outstanding, December 31, 2022 | 1,230,757 |  |  | $ | 61.45 |  |  | 5.6 |  | $ | 1 |
Granted | 50,120 |  |  | 58.54 |  |  |  |  |
Exercised | (24,996) |  |  | 35.44 |  |  |  |  |
Canceled | (86,475) |  |  | 68.95 |  |  |  |  |
Forfeited or expired | (7,976) |  |  | 56.37 |  |  |  |  |
Outstanding, December 31, 2023 | 1,161,430 |  |  | $ | 61.36 |  |  | 5.1 |  | $ | — |
Exercisable, December 31, 2023 | 883,061 |  |  | $ | 62.84 |  |  | 4.5 |  | $ | — |
Vested or expected to vest, December 31, 2023 | 1,161,430 |  |  | $ | 61.36 |  |  | 5.1 |  | $ | — |
(in millions) | 2023 |  | 2022 |  | 2021
Intrinsic value of option exercises | $ | — |  |  | $ | — |  |  | $ | 3 |
Fair value of options vested | $ | 4 |  |  | $ | 4 |  |  | $ | 4 |
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] | The following table summarizes information about outstanding stock awards:
| Number of Units |  | Weighted-Average Grant Date Fair Value |  | Weighted- Average Contractual Life (Years) |  | Aggregate Intrinsic Value (in millions)
Non-vested, December 31, 2022 | 106,760 |  |  | $ | 53.97 |  |  | 2.9 |  | $ | 11 |
Granted | 1,245,008 |  |  | 51.99 |  |  |  |  |
Vested | (389,231) |  |  | 51.03 |  |  |  |  |
Forfeited | (93,753) |  |  | 61.97 |  |  |  |  |
Non-vested, December 31, 2023 | 868,784 |  |  | $ | 51.95 |  |  | 1.7 |  | $ | 34 |

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