Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001037540-25-000013-index-headers.html | 2025-11-07 14:52:03 | |
| 0001037540-25-000013-index.html | 2025-11-07 14:52:03 | |
| 0001037540-25-000013.txt | 2025-11-07 14:52:03 | |
 0001037540-25-000013-xbrl.zip | 579927 | 2025-11-07 14:52:03 |
| bxp-20250930.htm | 4586607 | 2025-11-07 14:52:03 |
| bxp-20250930.xsd | 98700 | 2025-11-07 14:52:03 |
| bxp-20250930_cal.xml | 117486 | 2025-11-07 14:52:03 |
| bxp-20250930_def.xml | 904349 | 2025-11-07 14:52:03 |
| bxp-20250930_htm.xml | 2759986 | 2025-11-07 14:52:03 |
| bxp-20250930_lab.xml | 1178967 | 2025-11-07 14:52:03 |
| bxp-20250930_pre.xml | 1034256 | 2025-11-07 14:52:03 |
| bxpbplp-2025930ex311.htm | 9537 | 2025-11-07 14:52:03 |
| bxpbplp-2025930ex312.htm | 9825 | 2025-11-07 14:52:03 |
| bxpbplp-2025930ex313.htm | 9041 | 2025-11-07 14:52:03 |
| bxpbplp-2025930ex314.htm | 9283 | 2025-11-07 14:52:03 |
| bxpbplp-2025930ex321.htm | 5561 | 2025-11-07 14:52:03 |
| bxpbplp-2025930ex322.htm | 5535 | 2025-11-07 14:52:03 |
| bxpbplp-2025930ex323.htm | 5061 | 2025-11-07 14:52:03 |
| bxpbplp-2025930ex324.htm | 5169 | 2025-11-07 14:52:03 |
| FilingSummary.xml | 41155 | 2025-11-07 14:52:03 |
| MetaLinks.json | 1409071 | 2025-11-07 14:52:03 |
| R1.htm | 60471 | 2025-11-07 14:52:03 |
| R10.htm | 62239 | 2025-11-07 14:52:03 |
| R11.htm | 60781 | 2025-11-07 14:52:03 |
| R12.htm | 18130 | 2025-11-07 14:52:03 |
| R13.htm | 150127 | 2025-11-07 14:52:03 |
| R14.htm | 27758 | 2025-11-07 14:52:03 |
| R15.htm | 43798 | 2025-11-07 14:52:03 |
| R16.htm | 19830 | 2025-11-07 14:52:03 |
| R17.htm | 31132 | 2025-11-07 14:52:03 |
| R18.htm | 26729 | 2025-11-07 14:52:03 |
| R19.htm | 404340 | 2025-11-07 14:52:03 |
| R2.htm | 214810 | 2025-11-07 14:52:03 |
| R20.htm | 96169 | 2025-11-07 14:52:03 |
| R21.htm | 9816 | 2025-11-07 14:52:03 |
| R22.htm | 7743 | 2025-11-07 14:52:03 |
| R23.htm | 8465 | 2025-11-07 14:52:03 |
| R24.htm | 25387 | 2025-11-07 14:52:03 |
| R25.htm | 50557 | 2025-11-07 14:52:03 |
| R26.htm | 59040 | 2025-11-07 14:52:03 |
| R27.htm | 34305 | 2025-11-07 14:52:03 |
| R28.htm | 146187 | 2025-11-07 14:52:03 |
| R29.htm | 35794 | 2025-11-07 14:52:03 |
| R3.htm | 110701 | 2025-11-07 14:52:03 |
| R30.htm | 43655 | 2025-11-07 14:52:03 |
| R31.htm | 25765 | 2025-11-07 14:52:03 |
| R32.htm | 396684 | 2025-11-07 14:52:03 |
| R33.htm | 93841 | 2025-11-07 14:52:03 |
| R34.htm | 37487 | 2025-11-07 14:52:03 |
| R35.htm | 52900 | 2025-11-07 14:52:03 |
| R36.htm | 52688 | 2025-11-07 14:52:03 |
| R37.htm | 7668 | 2025-11-07 14:52:03 |
| R38.htm | 31975 | 2025-11-07 14:52:03 |
| R39.htm | 28507 | 2025-11-07 14:52:03 |
| R4.htm | 148591 | 2025-11-07 14:52:03 |
| R40.htm | 60100 | 2025-11-07 14:52:03 |
| R41.htm | 11910 | 2025-11-07 14:52:03 |
| R42.htm | 199559 | 2025-11-07 14:52:03 |
| R43.htm | 116176 | 2025-11-07 14:52:03 |
| R44.htm | 107227 | 2025-11-07 14:52:03 |
| R45.htm | 200946 | 2025-11-07 14:52:03 |
| R46.htm | 30984 | 2025-11-07 14:52:03 |
| R47.htm | 55129 | 2025-11-07 14:52:03 |
| R48.htm | 54977 | 2025-11-07 14:52:03 |
| R49.htm | 76388 | 2025-11-07 14:52:03 |
| R5.htm | 53590 | 2025-11-07 14:52:03 |
| R50.htm | 17343 | 2025-11-07 14:52:03 |
| R51.htm | 29482 | 2025-11-07 14:52:03 |
| R52.htm | 34374 | 2025-11-07 14:52:03 |
| R53.htm | 18221 | 2025-11-07 14:52:03 |
| R54.htm | 51953 | 2025-11-07 14:52:03 |
| R55.htm | 19237 | 2025-11-07 14:52:03 |
| R56.htm | 36220 | 2025-11-07 14:52:03 |
| R57.htm | 17681 | 2025-11-07 14:52:03 |
| R58.htm | 18356 | 2025-11-07 14:52:03 |
| R59.htm | 27259 | 2025-11-07 14:52:03 |
| R6.htm | 101525 | 2025-11-07 14:52:03 |
| R60.htm | 11037 | 2025-11-07 14:52:03 |
| R61.htm | 133642 | 2025-11-07 14:52:03 |
| R62.htm | 25632 | 2025-11-07 14:52:03 |
| R63.htm | 118505 | 2025-11-07 14:52:03 |
| R64.htm | 56002 | 2025-11-07 14:52:03 |
| R65.htm | 8228 | 2025-11-07 14:52:03 |
| R66.htm | 86082 | 2025-11-07 14:52:03 |
| R67.htm | 60696 | 2025-11-07 14:52:03 |
| R7.htm | 74086 | 2025-11-07 14:52:03 |
| R8.htm | 224634 | 2025-11-07 14:52:03 |
| R9.htm | 12412 | 2025-11-07 14:52:03 |
| report.css | 2767 | 2025-11-07 14:52:03 |
| Show.js | 1085 | 2025-11-07 14:52:03 |