Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001562088-24-000250-index-headers.html | 2024-11-06 18:29:32 | |
| 0001562088-24-000250-index.html | 2024-11-06 18:29:32 | |
| 0001562088-24-000250.txt | 2024-11-06 18:29:32 | |
 0001562088-24-000250-xbrl.zip | 285610 | 2024-11-06 18:29:32 |
| duol-20240930.htm | 1503104 | 2024-11-06 18:29:32 |
| duol-20240930.xsd | 46610 | 2024-11-06 18:29:32 |
| duol-20240930_cal.xml | 72932 | 2024-11-06 18:29:32 |
| duol-20240930_def.xml | 235776 | 2024-11-06 18:29:32 |
| duol-20240930_htm.xml | 1003517 | 2024-11-06 18:29:32 |
| duol-20240930_lab.xml | 664992 | 2024-11-06 18:29:32 |
| duol-20240930_pre.xml | 450444 | 2024-11-06 18:29:32 |
| FilingSummary.xml | 36785 | 2024-11-06 18:29:32 |
| Financial_Report.xlsx | 98705 | 2024-11-06 18:29:32 |
| MetaLinks.json | 885561 | 2024-11-06 18:29:32 |
| q3fy24duolingo09-30x24ex311.htm | 16919 | 2024-11-06 18:29:32 |
| q3fy24duolingo09-30x24ex312.htm | 17036 | 2024-11-06 18:29:32 |
| q3fy24duolingo09-30x24ex321.htm | 9738 | 2024-11-06 18:29:32 |
| R1.htm | 55374 | 2024-11-06 18:29:32 |
| R10.htm | 97990 | 2024-11-06 18:29:32 |
| R11.htm | 12231 | 2024-11-06 18:29:32 |
| R12.htm | 47836 | 2024-11-06 18:29:32 |
| R13.htm | 27151 | 2024-11-06 18:29:32 |
| R14.htm | 35509 | 2024-11-06 18:29:32 |
| R15.htm | 44335 | 2024-11-06 18:29:32 |
| R16.htm | 20787 | 2024-11-06 18:29:32 |
| R17.htm | 68044 | 2024-11-06 18:29:32 |
| R18.htm | 7388 | 2024-11-06 18:29:32 |
| R19.htm | 5397 | 2024-11-06 18:29:32 |
| R2.htm | 107833 | 2024-11-06 18:29:32 |
| R20.htm | 32182 | 2024-11-06 18:29:32 |
| R21.htm | 4880 | 2024-11-06 18:29:32 |
| R22.htm | 14865 | 2024-11-06 18:29:32 |
| R23.htm | 21879 | 2024-11-06 18:29:32 |
| R24.htm | 69522 | 2024-11-06 18:29:32 |
| R25.htm | 86670 | 2024-11-06 18:29:32 |
| R26.htm | 10200 | 2024-11-06 18:29:32 |
| R27.htm | 39646 | 2024-11-06 18:29:32 |
| R28.htm | 26436 | 2024-11-06 18:29:32 |
| R29.htm | 43286 | 2024-11-06 18:29:32 |
| R3.htm | 14582 | 2024-11-06 18:29:32 |
| R30.htm | 41018 | 2024-11-06 18:29:32 |
| R31.htm | 15477 | 2024-11-06 18:29:32 |
| R32.htm | 65504 | 2024-11-06 18:29:32 |
| R33.htm | 30377 | 2024-11-06 18:29:32 |
| R34.htm | 3986 | 2024-11-06 18:29:32 |
| R35.htm | 19699 | 2024-11-06 18:29:32 |
| R36.htm | 63728 | 2024-11-06 18:29:32 |
| R37.htm | 12104 | 2024-11-06 18:29:32 |
| R38.htm | 23880 | 2024-11-06 18:29:32 |
| R39.htm | 20718 | 2024-11-06 18:29:32 |
| R4.htm | 85640 | 2024-11-06 18:29:32 |
| R40.htm | 25270 | 2024-11-06 18:29:32 |
| R41.htm | 24453 | 2024-11-06 18:29:32 |
| R42.htm | 10999 | 2024-11-06 18:29:32 |
| R43.htm | 15621 | 2024-11-06 18:29:32 |
| R44.htm | 12362 | 2024-11-06 18:29:32 |
| R45.htm | 19122 | 2024-11-06 18:29:32 |
| R46.htm | 6196 | 2024-11-06 18:29:32 |
| R47.htm | 12034 | 2024-11-06 18:29:32 |
| R48.htm | 18837 | 2024-11-06 18:29:32 |
| R49.htm | 9148 | 2024-11-06 18:29:32 |
| R5.htm | 58159 | 2024-11-06 18:29:32 |
| R50.htm | 53423 | 2024-11-06 18:29:32 |
| R51.htm | 24598 | 2024-11-06 18:29:32 |
| R52.htm | 19665 | 2024-11-06 18:29:32 |
| R53.htm | 15276 | 2024-11-06 18:29:32 |
| R54.htm | 86549 | 2024-11-06 18:29:32 |
| R55.htm | 39874 | 2024-11-06 18:29:32 |
| R56.htm | 25077 | 2024-11-06 18:29:32 |
| R57.htm | 38237 | 2024-11-06 18:29:32 |
| R58.htm | 22784 | 2024-11-06 18:29:32 |
| R59.htm | 11939 | 2024-11-06 18:29:32 |
| R6.htm | 84435 | 2024-11-06 18:29:32 |
| R60.htm | 15464 | 2024-11-06 18:29:32 |
| R61.htm | 7682 | 2024-11-06 18:29:32 |
| R62.htm | 52639 | 2024-11-06 18:29:32 |
| R7.htm | 4307 | 2024-11-06 18:29:32 |
| R8.htm | 8966 | 2024-11-06 18:29:32 |
| R9.htm | 19048 | 2024-11-06 18:29:32 |
| report.css | 2767 | 2024-11-06 18:29:32 |
| Show.js | 1085 | 2024-11-06 18:29:32 |