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STOCK BASED COMPENSATION - Stock Based Compensation Expense (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Additional Disclosures for equity-based plans |  |  |
Total stock based compensation expense | $ 62 | $ 50 | $ 43
Total stock based compensation capitalized | 1 | 1 | 1
Income tax benefit related to stock based compensation expense | 13 | 10 | 9
Tax benefit realized from stock options exercised and similar awards | 14 | 16 | 14
Cost of providing services |  |  |
Additional Disclosures for equity-based plans |  |  |
Total stock based compensation expense | 13 | 12 | 9
Sales and marketing |  |  |
Additional Disclosures for equity-based plans |  |  |
Total stock based compensation expense | 7 | 6 | 6
General and administrative |  |  |
Additional Disclosures for equity-based plans |  |  |
Total stock based compensation expense | 38 | 29 | 26
Systems development and programming costs |  |  |
Additional Disclosures for equity-based plans |  |  |
Total stock based compensation expense | $ 4 | $ 3 | $ 2

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