Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000051644-21-000012-index-headers.html | 2021-02-22 08:51:48 | |
| 0000051644-21-000012-index.html | 2021-02-22 08:51:48 | |
| 0000051644-21-000012.txt | 2021-02-22 08:51:48 | |
 0000051644-21-000012-xbrl.zip | 713313 | 2021-02-22 08:51:48 |
| FilingSummary.xml | 87049 | 2021-02-22 08:51:48 |
| Financial_Report.xlsx | 216057 | 2021-02-22 08:51:48 |
| ipg-20201231.htm | 4184417 | 2021-02-22 08:51:48 |
| ipg-20201231.xsd | 115295 | 2021-02-22 08:51:48 |
| ipg-20201231_cal.xml | 183303 | 2021-02-22 08:51:48 |
| ipg-20201231_def.xml | 571694 | 2021-02-22 08:51:48 |
 ipg-20201231_g1.jpg | 36605 | 2021-02-22 08:51:48 |
| ipg-20201231_htm.xml | 3665024 | 2021-02-22 08:51:48 |
| ipg-20201231_lab.xml | 1246913 | 2021-02-22 08:51:48 |
| ipg-20201231_pre.xml | 896051 | 2021-02-22 08:51:48 |
| ipg12312010kex10iiia50.htm | 57353 | 2021-02-22 08:51:48 |
| ipg12312010kex10iiia53.htm | 61962 | 2021-02-22 08:51:48 |
| ipg12312010kex10iiia56.htm | 53987 | 2021-02-22 08:51:48 |
| ipg12312010kex10iiia58.htm | 51064 | 2021-02-22 08:51:48 |
| ipg12312010kex10iiia61.htm | 69907 | 2021-02-22 08:51:48 |
| ipg12312010kex10iiia62.htm | 48370 | 2021-02-22 08:51:48 |
| ipg12312010kex21.htm | 21061 | 2021-02-22 08:51:48 |
| ipg12312010kex23.htm | 2459 | 2021-02-22 08:51:48 |
| ipg12312010kex24.htm | 19734 | 2021-02-22 08:51:48 |
| ipg12312010kex311.htm | 10120 | 2021-02-22 08:51:48 |
| ipg12312010kex312.htm | 10234 | 2021-02-22 08:51:48 |
| ipg12312010kex32.htm | 5766 | 2021-02-22 08:51:48 |
 kennethsig1.jpg | 2691 | 2021-02-22 08:51:48 |
 kennethsig1a.jpg | 2691 | 2021-02-22 08:51:48 |
 kennethsig1b.jpg | 2691 | 2021-02-22 08:51:48 |
| MetaLinks.json | 1200551 | 2021-02-22 08:51:48 |
| R1.htm | 62898 | 2021-02-22 08:51:48 |
| R10.htm | 71096 | 2021-02-22 08:51:48 |
| R100.htm | 18612 | 2021-02-22 08:51:48 |
| R101.htm | 16507 | 2021-02-22 08:51:48 |
| R102.htm | 102201 | 2021-02-22 08:51:48 |
| R103.htm | 19162 | 2021-02-22 08:51:48 |
| R104.htm | 23950 | 2021-02-22 08:51:48 |
| R105.htm | 21533 | 2021-02-22 08:51:48 |
| R106.htm | 13103 | 2021-02-22 08:51:48 |
| R107.htm | 6699 | 2021-02-22 08:51:48 |
| R108.htm | 15971 | 2021-02-22 08:51:48 |
| R109.htm | 47244 | 2021-02-22 08:51:48 |
| R11.htm | 18561 | 2021-02-22 08:51:48 |
| R110.htm | 11304 | 2021-02-22 08:51:48 |
| R111.htm | 37238 | 2021-02-22 08:51:48 |
| R112.htm | 42103 | 2021-02-22 08:51:48 |
| R113.htm | 9396 | 2021-02-22 08:51:48 |
| R114.htm | 54903 | 2021-02-22 08:51:48 |
| R115.htm | 41662 | 2021-02-22 08:51:48 |
| R116.htm | 31720 | 2021-02-22 08:51:48 |
| R117.htm | 45690 | 2021-02-22 08:51:48 |
| R118.htm | 19366 | 2021-02-22 08:51:48 |
| R119.htm | 26262 | 2021-02-22 08:51:48 |
| R12.htm | 21429 | 2021-02-22 08:51:48 |
| R120.htm | 53034 | 2021-02-22 08:51:48 |
| R121.htm | 15158 | 2021-02-22 08:51:48 |
| R122.htm | 19409 | 2021-02-22 08:51:48 |
| R123.htm | 25973 | 2021-02-22 08:51:48 |
| R124.htm | 22536 | 2021-02-22 08:51:48 |
| R125.htm | 48000 | 2021-02-22 08:51:48 |
| R126.htm | 14185 | 2021-02-22 08:51:48 |
| R127.htm | 24708 | 2021-02-22 08:51:48 |
| R128.htm | 12972 | 2021-02-22 08:51:48 |
| R129.htm | 19598 | 2021-02-22 08:51:48 |
| R13.htm | 52675 | 2021-02-22 08:51:48 |
| R130.htm | 124432 | 2021-02-22 08:51:48 |
| R131.htm | 61711 | 2021-02-22 08:51:48 |
| R132.htm | 57507 | 2021-02-22 08:51:48 |
| R133.htm | 21913 | 2021-02-22 08:51:48 |
| R134.htm | 36965 | 2021-02-22 08:51:48 |
| R135.htm | 13031 | 2021-02-22 08:51:48 |
| R136.htm | 71292 | 2021-02-22 08:51:48 |
| R137.htm | 37926 | 2021-02-22 08:51:48 |
| R138.htm | 9293 | 2021-02-22 08:51:48 |
| R139.htm | 29159 | 2021-02-22 08:51:48 |
| R14.htm | 8460 | 2021-02-22 08:51:48 |
| R140.htm | 81006 | 2021-02-22 08:51:48 |
| R141.htm | 5828 | 2021-02-22 08:51:48 |
| R15.htm | 28573 | 2021-02-22 08:51:48 |
| R16.htm | 50362 | 2021-02-22 08:51:48 |
| R17.htm | 18598 | 2021-02-22 08:51:48 |
| R18.htm | 62949 | 2021-02-22 08:51:48 |
| R19.htm | 68209 | 2021-02-22 08:51:48 |
| R2.htm | 111173 | 2021-02-22 08:51:48 |
| R20.htm | 50637 | 2021-02-22 08:51:48 |
| R21.htm | 10526 | 2021-02-22 08:51:48 |
| R22.htm | 38576 | 2021-02-22 08:51:48 |
| R23.htm | 30642 | 2021-02-22 08:51:48 |
| R24.htm | 87150 | 2021-02-22 08:51:48 |
| R25.htm | 43817 | 2021-02-22 08:51:48 |
| R26.htm | 291032 | 2021-02-22 08:51:48 |
| R27.htm | 99486 | 2021-02-22 08:51:48 |
| R28.htm | 28306 | 2021-02-22 08:51:48 |
| R29.htm | 8301 | 2021-02-22 08:51:48 |
| R3.htm | 68105 | 2021-02-22 08:51:48 |
| R30.htm | 95881 | 2021-02-22 08:51:48 |
| R31.htm | 4997 | 2021-02-22 08:51:48 |
| R32.htm | 10773 | 2021-02-22 08:51:48 |
| R33.htm | 6537 | 2021-02-22 08:51:48 |
| R34.htm | 5009 | 2021-02-22 08:51:48 |
| R35.htm | 6751 | 2021-02-22 08:51:48 |
| R36.htm | 19758 | 2021-02-22 08:51:48 |
| R37.htm | 6073 | 2021-02-22 08:51:48 |
| R38.htm | 6639 | 2021-02-22 08:51:48 |
| R39.htm | 5926 | 2021-02-22 08:51:48 |
| R4.htm | 117493 | 2021-02-22 08:51:48 |
| R40.htm | 4086 | 2021-02-22 08:51:48 |
| R41.htm | 5559 | 2021-02-22 08:51:48 |
| R42.htm | 7234 | 2021-02-22 08:51:48 |
| R43.htm | 7139 | 2021-02-22 08:51:48 |
| R44.htm | 11012 | 2021-02-22 08:51:48 |
| R45.htm | 6906 | 2021-02-22 08:51:48 |
| R46.htm | 8581 | 2021-02-22 08:51:48 |
| R47.htm | 6227 | 2021-02-22 08:51:48 |
| R48.htm | 8064 | 2021-02-22 08:51:48 |
| R49.htm | 6951 | 2021-02-22 08:51:48 |
| R5.htm | 17996 | 2021-02-22 08:51:48 |
| R50.htm | 5650 | 2021-02-22 08:51:48 |
| R51.htm | 5433 | 2021-02-22 08:51:48 |
| R52.htm | 73786 | 2021-02-22 08:51:48 |
| R53.htm | 28993 | 2021-02-22 08:51:48 |
| R54.htm | 28696 | 2021-02-22 08:51:48 |
| R55.htm | 9461 | 2021-02-22 08:51:48 |
| R56.htm | 18264 | 2021-02-22 08:51:48 |
| R57.htm | 60262 | 2021-02-22 08:51:48 |
| R58.htm | 21289 | 2021-02-22 08:51:48 |
| R59.htm | 16073 | 2021-02-22 08:51:48 |
| R6.htm | 95820 | 2021-02-22 08:51:48 |
| R60.htm | 14814 | 2021-02-22 08:51:48 |
| R61.htm | 13132 | 2021-02-22 08:51:48 |
| R62.htm | 19939 | 2021-02-22 08:51:48 |
| R63.htm | 26455 | 2021-02-22 08:51:48 |
| R64.htm | 10922 | 2021-02-22 08:51:48 |
| R65.htm | 25686 | 2021-02-22 08:51:48 |
| R66.htm | 27595 | 2021-02-22 08:51:48 |
| R67.htm | 30721 | 2021-02-22 08:51:48 |
| R68.htm | 28170 | 2021-02-22 08:51:48 |
| R69.htm | 16181 | 2021-02-22 08:51:48 |
| R7.htm | 110974 | 2021-02-22 08:51:48 |
| R70.htm | 18110 | 2021-02-22 08:51:48 |
| R71.htm | 23643 | 2021-02-22 08:51:48 |
| R72.htm | 18840 | 2021-02-22 08:51:48 |
| R73.htm | 30067 | 2021-02-22 08:51:48 |
| R74.htm | 19763 | 2021-02-22 08:51:48 |
| R75.htm | 13316 | 2021-02-22 08:51:48 |
| R76.htm | 25398 | 2021-02-22 08:51:48 |
| R77.htm | 28587 | 2021-02-22 08:51:48 |
| R78.htm | 29990 | 2021-02-22 08:51:48 |
| R79.htm | 11886 | 2021-02-22 08:51:48 |
| R8.htm | 101944 | 2021-02-22 08:51:48 |
| R80.htm | 121575 | 2021-02-22 08:51:48 |
| R81.htm | 89788 | 2021-02-22 08:51:48 |
| R82.htm | 39556 | 2021-02-22 08:51:48 |
| R83.htm | 11609 | 2021-02-22 08:51:48 |
| R84.htm | 21055 | 2021-02-22 08:51:48 |
| R85.htm | 15547 | 2021-02-22 08:51:48 |
| R86.htm | 79142 | 2021-02-22 08:51:48 |
| R87.htm | 18360 | 2021-02-22 08:51:48 |
| R88.htm | 25086 | 2021-02-22 08:51:48 |
| R89.htm | 42182 | 2021-02-22 08:51:48 |
| R9.htm | 108677 | 2021-02-22 08:51:48 |
| R90.htm | 49360 | 2021-02-22 08:51:48 |
| R91.htm | 50590 | 2021-02-22 08:51:48 |
| R92.htm | 57636 | 2021-02-22 08:51:48 |
| R93.htm | 32824 | 2021-02-22 08:51:48 |
| R94.htm | 20910 | 2021-02-22 08:51:48 |
| R95.htm | 42092 | 2021-02-22 08:51:48 |
| R96.htm | 13613 | 2021-02-22 08:51:48 |
| R97.htm | 4059 | 2021-02-22 08:51:48 |
| R98.htm | 33541 | 2021-02-22 08:51:48 |
| R99.htm | 10686 | 2021-02-22 08:51:48 |
| report.css | 2768 | 2021-02-22 08:51:48 |
| Show.js | 1086 | 2021-02-22 08:51:48 |