Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000051434-19-000007-index-headers.html | 2019-02-20 16:24:56 | |
| 0000051434-19-000007-index.html | 2019-02-20 16:24:56 | |
| 0000051434-19-000007.txt | 2019-02-20 16:24:56 | |
 0000051434-19-000007-xbrl.zip | 621224 | 2019-02-20 16:24:56 |
| a10-k123118.htm | 3890092 | 2019-02-20 16:24:56 |
 ceosignature01a11.jpg | 104516 | 2019-02-20 16:24:56 |
 continuingopsgrapha64.jpg | 194467 | 2019-02-20 16:24:56 |
 exhibit101_image1a05.jpg | 19688 | 2019-02-20 16:24:56 |
| FilingSummary.xml | 106529 | 2019-02-20 16:24:56 |
| Financial_Report.xlsx | 217749 | 2019-02-20 16:24:56 |
| ip-20181231.xml | 6084659 | 2019-02-20 16:24:56 |
| ip-20181231.xsd | 131741 | 2019-02-20 16:24:56 |
| ip-20181231exhibit1027.htm | 549670 | 2019-02-20 16:24:56 |
| ip-20181231exhibit21.htm | 115115 | 2019-02-20 16:24:56 |
| ip-20181231exhibit231.htm | 3233 | 2019-02-20 16:24:56 |
| ip-20181231exhibit232.htm | 2824 | 2019-02-20 16:24:56 |
| ip-20181231exhibit311.htm | 12467 | 2019-02-20 16:24:56 |
| ip-20181231exhibit312.htm | 12428 | 2019-02-20 16:24:56 |
| ip-20181231exhibit32.htm | 6863 | 2019-02-20 16:24:56 |
| ip-20181231exhibit991ilimfs.htm | 943517 | 2019-02-20 16:24:56 |
| ip-20181231_cal.xml | 179041 | 2019-02-20 16:24:56 |
| ip-20181231_def.xml | 986813 | 2019-02-20 16:24:56 |
| ip-20181231_lab.xml | 1620883 | 2019-02-20 16:24:56 |
| ip-20181231_pre.xml | 1244639 | 2019-02-20 16:24:56 |
 pensiongraph2.jpg | 340439 | 2019-02-20 16:24:56 |
 performancecharta11.jpg | 88762 | 2019-02-20 16:24:56 |
| R1.htm | 35627 | 2019-02-20 16:24:56 |
| R10.htm | 78154 | 2019-02-20 16:24:56 |
| R100.htm | 4783 | 2019-02-20 16:24:56 |
| R101.htm | 12750 | 2019-02-20 16:24:56 |
| R102.htm | 34648 | 2019-02-20 16:24:56 |
| R103.htm | 8372 | 2019-02-20 16:24:56 |
| R104.htm | 29985 | 2019-02-20 16:24:56 |
| R105.htm | 37170 | 2019-02-20 16:24:56 |
| R106.htm | 9460 | 2019-02-20 16:24:56 |
| R107.htm | 23592 | 2019-02-20 16:24:56 |
| R108.htm | 16324 | 2019-02-20 16:24:56 |
| R109.htm | 69658 | 2019-02-20 16:24:56 |
| R11.htm | 111118 | 2019-02-20 16:24:56 |
| R110.htm | 19396 | 2019-02-20 16:24:56 |
| R111.htm | 14296 | 2019-02-20 16:24:56 |
| R112.htm | 25723 | 2019-02-20 16:24:56 |
| R113.htm | 14550 | 2019-02-20 16:24:56 |
| R114.htm | 38548 | 2019-02-20 16:24:56 |
| R115.htm | 20993 | 2019-02-20 16:24:56 |
| R116.htm | 7618 | 2019-02-20 16:24:56 |
| R117.htm | 27451 | 2019-02-20 16:24:56 |
| R118.htm | 74545 | 2019-02-20 16:24:56 |
| R119.htm | 37926 | 2019-02-20 16:24:56 |
| R12.htm | 27765 | 2019-02-20 16:24:56 |
| R120.htm | 36168 | 2019-02-20 16:24:56 |
| R121.htm | 15660 | 2019-02-20 16:24:56 |
| R122.htm | 94052 | 2019-02-20 16:24:56 |
| R123.htm | 22390 | 2019-02-20 16:24:56 |
| R124.htm | 9707 | 2019-02-20 16:24:56 |
| R125.htm | 7092 | 2019-02-20 16:24:56 |
| R126.htm | 17011 | 2019-02-20 16:24:56 |
| R127.htm | 68870 | 2019-02-20 16:24:56 |
| R128.htm | 24957 | 2019-02-20 16:24:56 |
| R129.htm | 33662 | 2019-02-20 16:24:56 |
| R13.htm | 82830 | 2019-02-20 16:24:56 |
| R130.htm | 12459 | 2019-02-20 16:24:56 |
| R131.htm | 10819 | 2019-02-20 16:24:56 |
| R132.htm | 23225 | 2019-02-20 16:24:56 |
| R133.htm | 29826 | 2019-02-20 16:24:56 |
| R134.htm | 10014 | 2019-02-20 16:24:56 |
| R135.htm | 23317 | 2019-02-20 16:24:56 |
| R136.htm | 24506 | 2019-02-20 16:24:56 |
| R137.htm | 53601 | 2019-02-20 16:24:56 |
| R138.htm | 17019 | 2019-02-20 16:24:56 |
| R139.htm | 16529 | 2019-02-20 16:24:56 |
| R14.htm | 33101 | 2019-02-20 16:24:56 |
| R140.htm | 18095 | 2019-02-20 16:24:56 |
| R141.htm | 16869 | 2019-02-20 16:24:56 |
| R142.htm | 16404 | 2019-02-20 16:24:56 |
| R143.htm | 24205 | 2019-02-20 16:24:56 |
| R144.htm | 17065 | 2019-02-20 16:24:56 |
| R145.htm | 57625 | 2019-02-20 16:24:56 |
| R146.htm | 61087 | 2019-02-20 16:24:56 |
| R147.htm | 132238 | 2019-02-20 16:24:56 |
| R15.htm | 62900 | 2019-02-20 16:24:56 |
| R16.htm | 54549 | 2019-02-20 16:24:56 |
| R17.htm | 47802 | 2019-02-20 16:24:56 |
| R18.htm | 48430 | 2019-02-20 16:24:56 |
| R19.htm | 103261 | 2019-02-20 16:24:56 |
| R2.htm | 101256 | 2019-02-20 16:24:56 |
| R20.htm | 167593 | 2019-02-20 16:24:56 |
| R21.htm | 41966 | 2019-02-20 16:24:56 |
| R22.htm | 42021 | 2019-02-20 16:24:56 |
| R23.htm | 50595 | 2019-02-20 16:24:56 |
| R24.htm | 148909 | 2019-02-20 16:24:56 |
| R25.htm | 22541 | 2019-02-20 16:24:56 |
| R26.htm | 384446 | 2019-02-20 16:24:56 |
| R27.htm | 153917 | 2019-02-20 16:24:56 |
| R28.htm | 62717 | 2019-02-20 16:24:56 |
| R29.htm | 178614 | 2019-02-20 16:24:56 |
| R3.htm | 42141 | 2019-02-20 16:24:56 |
| R30.htm | 324569 | 2019-02-20 16:24:56 |
| R31.htm | 62328 | 2019-02-20 16:24:56 |
| R32.htm | 66629 | 2019-02-20 16:24:56 |
| R33.htm | 106066 | 2019-02-20 16:24:56 |
| R34.htm | 27162 | 2019-02-20 16:24:56 |
| R35.htm | 83915 | 2019-02-20 16:24:56 |
| R36.htm | 33061 | 2019-02-20 16:24:56 |
| R37.htm | 56506 | 2019-02-20 16:24:56 |
| R38.htm | 47617 | 2019-02-20 16:24:56 |
| R39.htm | 46421 | 2019-02-20 16:24:56 |
| R4.htm | 17375 | 2019-02-20 16:24:56 |
| R40.htm | 41963 | 2019-02-20 16:24:56 |
| R41.htm | 103421 | 2019-02-20 16:24:56 |
| R42.htm | 154594 | 2019-02-20 16:24:56 |
| R43.htm | 14330 | 2019-02-20 16:24:56 |
| R44.htm | 30929 | 2019-02-20 16:24:56 |
| R45.htm | 48097 | 2019-02-20 16:24:56 |
| R46.htm | 136733 | 2019-02-20 16:24:56 |
| R47.htm | 19721 | 2019-02-20 16:24:56 |
| R48.htm | 371713 | 2019-02-20 16:24:56 |
| R49.htm | 196505 | 2019-02-20 16:24:56 |
| R5.htm | 98187 | 2019-02-20 16:24:56 |
| R50.htm | 60782 | 2019-02-20 16:24:56 |
| R51.htm | 176971 | 2019-02-20 16:24:56 |
| R52.htm | 323393 | 2019-02-20 16:24:56 |
| R53.htm | 4576 | 2019-02-20 16:24:56 |
| R54.htm | 131204 | 2019-02-20 16:24:56 |
| R55.htm | 13477 | 2019-02-20 16:24:56 |
| R56.htm | 69283 | 2019-02-20 16:24:56 |
| R57.htm | 10749 | 2019-02-20 16:24:56 |
| R58.htm | 32100 | 2019-02-20 16:24:56 |
| R59.htm | 26940 | 2019-02-20 16:24:56 |
| R6.htm | 11219 | 2019-02-20 16:24:56 |
| R60.htm | 38220 | 2019-02-20 16:24:56 |
| R61.htm | 40227 | 2019-02-20 16:24:56 |
| R62.htm | 25390 | 2019-02-20 16:24:56 |
| R63.htm | 4770 | 2019-02-20 16:24:56 |
| R64.htm | 62257 | 2019-02-20 16:24:56 |
| R65.htm | 14509 | 2019-02-20 16:24:56 |
| R66.htm | 67835 | 2019-02-20 16:24:56 |
| R67.htm | 50995 | 2019-02-20 16:24:56 |
| R68.htm | 39459 | 2019-02-20 16:24:56 |
| R69.htm | 69922 | 2019-02-20 16:24:56 |
| R7.htm | 93948 | 2019-02-20 16:24:56 |
| R70.htm | 9692 | 2019-02-20 16:24:56 |
| R71.htm | 14360 | 2019-02-20 16:24:56 |
| R72.htm | 14849 | 2019-02-20 16:24:56 |
| R73.htm | 9889 | 2019-02-20 16:24:56 |
| R74.htm | 24663 | 2019-02-20 16:24:56 |
| R75.htm | 38064 | 2019-02-20 16:24:56 |
| R76.htm | 29326 | 2019-02-20 16:24:56 |
| R77.htm | 31991 | 2019-02-20 16:24:56 |
| R78.htm | 25471 | 2019-02-20 16:24:56 |
| R79.htm | 5678 | 2019-02-20 16:24:56 |
| R8.htm | 32699 | 2019-02-20 16:24:56 |
| R80.htm | 15856 | 2019-02-20 16:24:56 |
| R81.htm | 14600 | 2019-02-20 16:24:56 |
| R82.htm | 24389 | 2019-02-20 16:24:56 |
| R83.htm | 64435 | 2019-02-20 16:24:56 |
| R84.htm | 36457 | 2019-02-20 16:24:56 |
| R85.htm | 17787 | 2019-02-20 16:24:56 |
| R86.htm | 38575 | 2019-02-20 16:24:56 |
| R87.htm | 66469 | 2019-02-20 16:24:56 |
| R88.htm | 4615 | 2019-02-20 16:24:56 |
| R89.htm | 17641 | 2019-02-20 16:24:56 |
| R9.htm | 26068 | 2019-02-20 16:24:56 |
| R90.htm | 40852 | 2019-02-20 16:24:56 |
| R91.htm | 21084 | 2019-02-20 16:24:56 |
| R92.htm | 55775 | 2019-02-20 16:24:56 |
| R93.htm | 6812 | 2019-02-20 16:24:56 |
| R94.htm | 7978 | 2019-02-20 16:24:56 |
| R95.htm | 15405 | 2019-02-20 16:24:56 |
| R96.htm | 94332 | 2019-02-20 16:24:56 |
| R97.htm | 14496 | 2019-02-20 16:24:56 |
| R98.htm | 60216 | 2019-02-20 16:24:56 |
| R99.htm | 16228 | 2019-02-20 16:24:56 |
| report.css | 2768 | 2019-02-20 16:24:56 |
 segmentopsgrapha54.jpg | 123726 | 2019-02-20 16:24:56 |
| Show.js | 1086 | 2019-02-20 16:24:56 |
 timnichollssignature.jpg | 9127 | 2019-02-20 16:24:56 |