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STOCK-BASED COMPENSATION - Narrative (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Restricted stock units |  |  |
Stock Options |  |  |
Unrecognized compensation cost | $ 17 | $ 15 | $ 7
Unrecognized compensation expense, recognition period | 2 years | 2 years | 2 years
Total market value (at the vesting date) of stock award shares | $ 20 | $ 8 |
Granted (in shares) | 621 | 670 | 446
Forfeited (in shares) | 50 | 29 | 11
Vested (in shares) | 351 | 142 | 0
Performance restricted stock units |  |  |
Stock Options |  |  |
Period for recognition | 3 years |  |
Stock options |  |  |
Stock Options |  |  |
Unrecognized compensation expense, recognition period | 1 year | 2 years | 2 years
Granted (in shares) | 338 | 332 | 421
Expiration period | 10 years |  |
Grant date weighted-average exercise price (in dollars per share) | $ 59 | $ 56 | $ 48
Exercised | $ 1 | $ 5 | $ 29
Vested and expected to vest | 30 | 89 | 51
Outstanding at the end of the period | $ 28 | $ 63 | $ 35
Outstanding at the end of the period | 5 years | 6 years | 6 years
Option shares vested and expected to vest at the end of the period | 5 years | 6 years |
Option shares exercisable at the end of the period | 4 years | 5 years | 5 years
Total unrecognized compensation expense | $ 1 | $ 4 | $ 6
Long-term stock awards |  |  |
Stock Options |  |  |
Unrecognized compensation expense, recognition period | 1 year | 2 years | 2 years
Total market value (at the vesting date) of stock award shares | $ 21 | $ 28 | $ 31
Forfeited (in shares) | 11 | 26 | 130
Vested (in shares) | 324 | 491 | 655
Total unrecognized compensation expense | $ 3 | $ 10 | $ 21
Phantom Share Units (PSUs) |  |  |
Stock Options |  |  |
Unrecognized compensation cost | 2 | 3 |
Total market value (at the vesting date) of stock award shares | $ 4 | $ 5 | $ 3
Granted (in shares) | 74 | 82 | 83
Recognized expense (income) related to valuation | $ 1 | $ 6 | $ 4
Cash paid to settle awards | $ 4 | $ 3 | $ 3
2014 Plan |  |  |
Stock Options |  |  |
Common stock available for granting stock options and other long-term stock incentive awards (in shares) | 11,700 |  |
LTIP Program | Minimum |  |  |
Stock Options |  |  |
Award vesting rights, percentage | 0.00% |  |
LTIP Program | Maximum |  |  |
Stock Options |  |  |
Award vesting rights, percentage | 200.00% |  |
LTIP Program | Performance restricted stock units |  |  |
Stock Options |  |  |
Granted (in shares) | 92 | 85 | 133
Granted (in dollars per share) | $ 55 | $ 53 | $ 34
Shares issued during period (in shares) | 168 | 105 | 152
Forfeited (in shares) |  |  | 11
Vested (in shares) | 255 | 186 | 103

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