Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001552000-23-000030-index-headers.html | 2023-08-01 13:03:21 | |
| 0001552000-23-000030-index.html | 2023-08-01 13:03:21 | |
| 0001552000-23-000030.txt | 2023-08-01 13:03:21 | |
 0001552000-23-000030-xbrl.zip | 521204 | 2023-08-01 13:03:21 |
| FilingSummary.xml | 43870 | 2023-08-01 13:03:21 |
| Financial_Report.xlsx | 115389 | 2023-08-01 13:03:21 |
| MetaLinks.json | 868996 | 2023-08-01 13:03:21 |
| mplx-20230630.htm | 2010773 | 2023-08-01 13:03:21 |
| mplx-20230630.xsd | 53733 | 2023-08-01 13:03:21 |
| mplx-20230630_cal.xml | 65636 | 2023-08-01 13:03:21 |
| mplx-20230630_def.xml | 417671 | 2023-08-01 13:03:21 |
 mplx-20230630_g1.jpg | 97532 | 2023-08-01 13:03:21 |
 mplx-20230630_g2.jpg | 20569 | 2023-08-01 13:03:21 |
 mplx-20230630_g3.jpg | 19039 | 2023-08-01 13:03:21 |
 mplx-20230630_g4.jpg | 25787 | 2023-08-01 13:03:21 |
 mplx-20230630_g5.jpg | 19590 | 2023-08-01 13:03:21 |
 mplx-20230630_g6.jpg | 16880 | 2023-08-01 13:03:21 |
 mplx-20230630_g7.jpg | 34344 | 2023-08-01 13:03:21 |
 mplx-20230630_g8.jpg | 32624 | 2023-08-01 13:03:21 |
| mplx-20230630_htm.xml | 1532226 | 2023-08-01 13:03:21 |
| mplx-20230630_lab.xml | 709988 | 2023-08-01 13:03:21 |
| mplx-20230630_pre.xml | 540851 | 2023-08-01 13:03:21 |
| mplx-2023630xex101.htm | 302549 | 2023-08-01 13:03:21 |
| mplx-2023630xex102.htm | 158981 | 2023-08-01 13:03:21 |
| mplx-2023630xex103.htm | 40732 | 2023-08-01 13:03:21 |
| mplx-2023630xex104.htm | 277979 | 2023-08-01 13:03:21 |
| mplx-2023630xex311.htm | 10406 | 2023-08-01 13:03:21 |
| mplx-2023630xex312.htm | 10357 | 2023-08-01 13:03:21 |
| mplx-2023630xex321.htm | 5334 | 2023-08-01 13:03:21 |
| mplx-2023630xex322.htm | 5303 | 2023-08-01 13:03:21 |
| R1.htm | 51564 | 2023-08-01 13:03:21 |
| R10.htm | 41925 | 2023-08-01 13:03:21 |
| R11.htm | 40571 | 2023-08-01 13:03:21 |
| R12.htm | 37031 | 2023-08-01 13:03:21 |
| R13.htm | 99464 | 2023-08-01 13:03:21 |
| R14.htm | 82595 | 2023-08-01 13:03:21 |
| R15.htm | 21987 | 2023-08-01 13:03:21 |
| R16.htm | 51065 | 2023-08-01 13:03:21 |
| R17.htm | 31094 | 2023-08-01 13:03:21 |
| R18.htm | 30988 | 2023-08-01 13:03:21 |
| R19.htm | 112946 | 2023-08-01 13:03:21 |
| R2.htm | 129245 | 2023-08-01 13:03:21 |
| R20.htm | 20487 | 2023-08-01 13:03:21 |
| R21.htm | 14736 | 2023-08-01 13:03:21 |
| R22.htm | 15956 | 2023-08-01 13:03:21 |
| R23.htm | 10309 | 2023-08-01 13:03:21 |
| R24.htm | 11100 | 2023-08-01 13:03:21 |
| R25.htm | 5047 | 2023-08-01 13:03:21 |
| R26.htm | 39194 | 2023-08-01 13:03:21 |
| R27.htm | 28265 | 2023-08-01 13:03:21 |
| R28.htm | 26510 | 2023-08-01 13:03:21 |
| R29.htm | 100007 | 2023-08-01 13:03:21 |
| R3.htm | 32089 | 2023-08-01 13:03:21 |
| R30.htm | 79239 | 2023-08-01 13:03:21 |
| R31.htm | 20624 | 2023-08-01 13:03:21 |
| R32.htm | 48141 | 2023-08-01 13:03:21 |
| R33.htm | 30472 | 2023-08-01 13:03:21 |
| R34.htm | 23387 | 2023-08-01 13:03:21 |
| R35.htm | 110944 | 2023-08-01 13:03:21 |
| R36.htm | 21818 | 2023-08-01 13:03:21 |
| R37.htm | 4340 | 2023-08-01 13:03:21 |
| R38.htm | 57868 | 2023-08-01 13:03:21 |
| R39.htm | 12922 | 2023-08-01 13:03:21 |
| R4.htm | 135703 | 2023-08-01 13:03:21 |
| R40.htm | 7121 | 2023-08-01 13:03:21 |
| R41.htm | 12433 | 2023-08-01 13:03:21 |
| R42.htm | 49766 | 2023-08-01 13:03:21 |
| R43.htm | 6677 | 2023-08-01 13:03:21 |
| R44.htm | 6095 | 2023-08-01 13:03:21 |
| R45.htm | 18925 | 2023-08-01 13:03:21 |
| R46.htm | 32284 | 2023-08-01 13:03:21 |
| R47.htm | 34839 | 2023-08-01 13:03:21 |
| R48.htm | 56718 | 2023-08-01 13:03:21 |
| R49.htm | 4278 | 2023-08-01 13:03:21 |
| R5.htm | 16439 | 2023-08-01 13:03:21 |
| R50.htm | 62244 | 2023-08-01 13:03:21 |
| R51.htm | 46398 | 2023-08-01 13:03:21 |
| R52.htm | 20279 | 2023-08-01 13:03:21 |
| R53.htm | 25881 | 2023-08-01 13:03:21 |
| R54.htm | 17516 | 2023-08-01 13:03:21 |
| R55.htm | 14506 | 2023-08-01 13:03:21 |
| R56.htm | 5046 | 2023-08-01 13:03:21 |
| R57.htm | 9199 | 2023-08-01 13:03:21 |
| R58.htm | 8910 | 2023-08-01 13:03:21 |
| R59.htm | 20093 | 2023-08-01 13:03:21 |
| R6.htm | 108300 | 2023-08-01 13:03:21 |
| R60.htm | 12403 | 2023-08-01 13:03:21 |
| R61.htm | 16419 | 2023-08-01 13:03:21 |
| R62.htm | 33135 | 2023-08-01 13:03:21 |
| R63.htm | 20701 | 2023-08-01 13:03:21 |
| R64.htm | 39590 | 2023-08-01 13:03:21 |
| R65.htm | 59764 | 2023-08-01 13:03:21 |
| R66.htm | 50932 | 2023-08-01 13:03:21 |
| R67.htm | 27762 | 2023-08-01 13:03:21 |
| R68.htm | 13085 | 2023-08-01 13:03:21 |
| R69.htm | 8210 | 2023-08-01 13:03:21 |
| R7.htm | 92290 | 2023-08-01 13:03:21 |
| R70.htm | 24714 | 2023-08-01 13:03:21 |
| R8.htm | 9570 | 2023-08-01 13:03:21 |
| R9.htm | 14925 | 2023-08-01 13:03:21 |
| report.css | 2767 | 2023-08-01 13:03:21 |
| Show.js | 1085 | 2023-08-01 13:03:21 |