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STOCKHOLDERS' EQUITY - Stock Plans and Share Based Compensation Narrative (Details) $ / shares in Units, $ in Thousands |  |  | 12 Months Ended | 109 Months Ended
--- | --- | --- | --- | ---
Nov. 02, 2019 | Nov. 17, 2015 purchase_period shares | Dec. 31, 2024 USD ($) plan $ / shares shares | Dec. 31, 2023 USD ($) $ / shares | Dec. 31, 2022 USD ($) $ / shares | Dec. 31, 2024 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of share-based compensation plans | plan |  |  | 2 |  |  |
Aggregate intrinsic value for options exercised | $ |  |  | $ 145,100 | $ 96,100 | $ 211,000 |
Weighted average grant-date fair value of options granted (in USD per share) | $ / shares |  |  | $ 45.81 | $ 39.13 | $ 73.31 |
Tax benefits related to stock-based compensation expense | $ |  |  | $ 322,000 | $ 228,200 | $ 218,900 |
Share-based compensation expense | $ |  |  | 1,272,557 | 1,276,097 | 1,069,289 |
Share-based compensation expense related to capitalized software | $ |  |  | 41,200 | 30,900 | 20,700 |
Unrecognized compensation cost related to outstanding stock options and restricted stock awards | $ |  |  | $ 2,600,000 |  |  | $ 2,600,000
Unrecognized compensation cost related to outstanding stock options and restricted stock awards, recognition period |  |  | 3 years |  |  |
Afterpay Limited |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Acquisition cost expensed | $ |  |  |  | 66,300 |  |
Restricted Stock Awards (RSAs) and Restricted Stock Units (RSUs) |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Total fair value of shares vested | $ |  |  | $ 1,200,000 | 873,000 | 724,200 |
Employee Stock Purchase Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Share-based compensation expense | $ |  |  | $ 25,000 | $ 63,300 | $ 61,400 |
2015 Equity Incentive Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of shares available for future issuance (in shares) |  |  | 138,000,000 |  |  | 138,000,000
Number of shares reserved (in shares) |  | 30,000,000 |  |  |  |
Shares reserved for issuance, percent |  |  | 5.00% |  |  |
2015 Equity Incentive Plan | Maximum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Annual increase of number of shares reserved (in shares) |  |  | 40,000,000 |  |  | 40,000,000
2015 Equity Incentive Plan | Stock options, RSAs, and RSUs |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of equity instruments outstanding (in shares) |  |  | 39,000,000 |  |  | 39,000,000
2009 Stock Option Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of shares available for future issuance (in shares) |  | 0 |  |  |  |
2009 Stock Option Plan | Stock options, RSAs, and RSUs |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of equity instruments outstanding (in shares) |  |  | 300,000 |  |  | 300,000
2015 Employee Stock Purchase Plan | Employee Stock Purchase Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of shares available for future issuance (in shares) |  |  | 34,000,000 |  |  | 34,000,000
Shares reserved for issuance, percent |  | 1.00% |  |  |  |
Discount through payroll deductions as a percentage of eligible compensation | 25.00% |  |  |  |  |
Offering period |  | 12 months |  |  |  |
Number of purchase periods | purchase_period |  | 2 |  |  |  |
Purchase price of common stock as a percentage of fair market value |  | 85.00% |  |  |  |
Shares purchased under the plan (in shares) |  |  |  |  |  | 11,000,000
2015 Employee Stock Purchase Plan | Employee Stock Purchase Plan | Minimum |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Annual increase of number of shares reserved (in shares) |  | 8,400,000 |  |  |  |

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