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STOCK-BASED COMPENSATION (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock awards, weighted average grant-date fair value (in USD per share) |  |  | $ 345 |
Share-based compensation expense | $ 55 | $ 49 | $ 101 | $ 92
Deferred compensation costs for unvested awards | $ 279 |  | $ 279 |
RSUs |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock awards, granted (in shares) |  |  | 0.5 |
Stock awards, period of service after grant date |  |  | 1 year |
RSUs | Minimum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock awards, vesting period |  |  | 3 years |
RSUs | Maximum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock awards, vesting period |  |  | 4 years |
PSUs |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock awards, granted (in shares) |  |  | 0.1 |

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