Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000912752-19-000012-index-headers.html | 2019-03-01 15:25:05 | |
| 0000912752-19-000012-index.html | 2019-03-01 15:25:05 | |
| 0000912752-19-000012.txt | 2019-03-01 15:25:05 | |
 0000912752-19-000012-xbrl.zip | 603129 | 2019-03-01 15:25:05 |
| a311sbgi-20181231x10k.htm | 16593 | 2019-03-01 15:25:05 |
| a312sbgi-20181231x10k.htm | 16104 | 2019-03-01 15:25:05 |
| a321sbgi-20181231x10k.htm | 6429 | 2019-03-01 15:25:05 |
| a322sbgi-20181231x10k.htm | 6443 | 2019-03-01 15:25:05 |
| exhibit21-q42018subsid.htm | 43906 | 2019-03-01 15:25:05 |
| FilingSummary.xml | 66299 | 2019-03-01 15:25:05 |
| Financial_Report.xlsx | 172425 | 2019-03-01 15:25:05 |
| MetaLinks.json | 1051014 | 2019-03-01 15:25:05 |
| q42018ex23consentofpwc.htm | 2845 | 2019-03-01 15:25:05 |
| R1.htm | 38030 | 2019-03-01 15:25:05 |
| R10.htm | 104954 | 2019-03-01 15:25:05 |
| R100.htm | 43139 | 2019-03-01 15:25:05 |
| R101.htm | 115661 | 2019-03-01 15:25:05 |
| R102.htm | 123697 | 2019-03-01 15:25:05 |
| R103.htm | 141492 | 2019-03-01 15:25:05 |
| R104.htm | 28714 | 2019-03-01 15:25:05 |
| R11.htm | 57013 | 2019-03-01 15:25:05 |
| R12.htm | 31630 | 2019-03-01 15:25:05 |
| R13.htm | 91890 | 2019-03-01 15:25:05 |
| R14.htm | 40688 | 2019-03-01 15:25:05 |
| R15.htm | 109619 | 2019-03-01 15:25:05 |
| R16.htm | 12493 | 2019-03-01 15:25:05 |
| R17.htm | 16227 | 2019-03-01 15:25:05 |
| R18.htm | 106025 | 2019-03-01 15:25:05 |
| R19.htm | 38123 | 2019-03-01 15:25:05 |
| R2.htm | 101417 | 2019-03-01 15:25:05 |
| R20.htm | 42991 | 2019-03-01 15:25:05 |
| R21.htm | 26127 | 2019-03-01 15:25:05 |
| R22.htm | 32745 | 2019-03-01 15:25:05 |
| R23.htm | 121023 | 2019-03-01 15:25:05 |
| R24.htm | 45628 | 2019-03-01 15:25:05 |
| R25.htm | 735666 | 2019-03-01 15:25:05 |
| R26.htm | 55598 | 2019-03-01 15:25:05 |
| R27.htm | 186686 | 2019-03-01 15:25:05 |
| R28.htm | 146369 | 2019-03-01 15:25:05 |
| R29.htm | 80613 | 2019-03-01 15:25:05 |
| R3.htm | 15722 | 2019-03-01 15:25:05 |
| R30.htm | 37396 | 2019-03-01 15:25:05 |
| R31.htm | 30839 | 2019-03-01 15:25:05 |
| R32.htm | 89831 | 2019-03-01 15:25:05 |
| R33.htm | 36696 | 2019-03-01 15:25:05 |
| R34.htm | 97298 | 2019-03-01 15:25:05 |
| R35.htm | 11160 | 2019-03-01 15:25:05 |
| R36.htm | 107352 | 2019-03-01 15:25:05 |
| R37.htm | 10494 | 2019-03-01 15:25:05 |
| R38.htm | 38054 | 2019-03-01 15:25:05 |
| R39.htm | 34309 | 2019-03-01 15:25:05 |
| R4.htm | 83939 | 2019-03-01 15:25:05 |
| R40.htm | 118733 | 2019-03-01 15:25:05 |
| R41.htm | 40899 | 2019-03-01 15:25:05 |
| R42.htm | 732893 | 2019-03-01 15:25:05 |
| R43.htm | 52757 | 2019-03-01 15:25:05 |
| R44.htm | 7264 | 2019-03-01 15:25:05 |
| R45.htm | 42391 | 2019-03-01 15:25:05 |
| R46.htm | 10287 | 2019-03-01 15:25:05 |
| R47.htm | 12748 | 2019-03-01 15:25:05 |
| R48.htm | 6539 | 2019-03-01 15:25:05 |
| R49.htm | 17126 | 2019-03-01 15:25:05 |
| R5.htm | 20713 | 2019-03-01 15:25:05 |
| R50.htm | 5559 | 2019-03-01 15:25:05 |
| R51.htm | 14001 | 2019-03-01 15:25:05 |
| R52.htm | 45370 | 2019-03-01 15:25:05 |
| R53.htm | 36243 | 2019-03-01 15:25:05 |
| R54.htm | 10078 | 2019-03-01 15:25:05 |
| R55.htm | 4800 | 2019-03-01 15:25:05 |
| R56.htm | 26445 | 2019-03-01 15:25:05 |
| R57.htm | 101778 | 2019-03-01 15:25:05 |
| R58.htm | 48818 | 2019-03-01 15:25:05 |
| R59.htm | 28887 | 2019-03-01 15:25:05 |
| R6.htm | 73771 | 2019-03-01 15:25:05 |
| R60.htm | 13904 | 2019-03-01 15:25:05 |
| R61.htm | 77348 | 2019-03-01 15:25:05 |
| R62.htm | 25195 | 2019-03-01 15:25:05 |
| R63.htm | 14655 | 2019-03-01 15:25:05 |
| R64.htm | 26298 | 2019-03-01 15:25:05 |
| R65.htm | 47704 | 2019-03-01 15:25:05 |
| R66.htm | 21018 | 2019-03-01 15:25:05 |
| R67.htm | 27607 | 2019-03-01 15:25:05 |
| R68.htm | 17003 | 2019-03-01 15:25:05 |
| R69.htm | 34861 | 2019-03-01 15:25:05 |
| R7.htm | 12104 | 2019-03-01 15:25:05 |
| R70.htm | 12387 | 2019-03-01 15:25:05 |
| R71.htm | 26047 | 2019-03-01 15:25:05 |
| R72.htm | 8492 | 2019-03-01 15:25:05 |
| R73.htm | 51649 | 2019-03-01 15:25:05 |
| R74.htm | 37290 | 2019-03-01 15:25:05 |
| R75.htm | 18363 | 2019-03-01 15:25:05 |
| R76.htm | 48867 | 2019-03-01 15:25:05 |
| R77.htm | 21890 | 2019-03-01 15:25:05 |
| R78.htm | 29117 | 2019-03-01 15:25:05 |
| R79.htm | 5504 | 2019-03-01 15:25:05 |
| R8.htm | 101497 | 2019-03-01 15:25:05 |
| R80.htm | 21814 | 2019-03-01 15:25:05 |
| R81.htm | 95731 | 2019-03-01 15:25:05 |
| R82.htm | 22754 | 2019-03-01 15:25:05 |
| R83.htm | 36034 | 2019-03-01 15:25:05 |
| R84.htm | 30515 | 2019-03-01 15:25:05 |
| R85.htm | 12374 | 2019-03-01 15:25:05 |
| R86.htm | 16336 | 2019-03-01 15:25:05 |
| R87.htm | 12778 | 2019-03-01 15:25:05 |
| R88.htm | 29209 | 2019-03-01 15:25:05 |
| R89.htm | 17780 | 2019-03-01 15:25:05 |
| R9.htm | 188090 | 2019-03-01 15:25:05 |
| R90.htm | 47568 | 2019-03-01 15:25:05 |
| R91.htm | 24050 | 2019-03-01 15:25:05 |
| R92.htm | 19595 | 2019-03-01 15:25:05 |
| R93.htm | 79012 | 2019-03-01 15:25:05 |
| R94.htm | 10566 | 2019-03-01 15:25:05 |
| R95.htm | 8132 | 2019-03-01 15:25:05 |
| R96.htm | 26283 | 2019-03-01 15:25:05 |
| R97.htm | 11327 | 2019-03-01 15:25:05 |
| R98.htm | 115758 | 2019-03-01 15:25:05 |
| R99.htm | 51912 | 2019-03-01 15:25:05 |
| report.css | 2768 | 2019-03-01 15:25:05 |
| sbgi-20181231.xsd | 101004 | 2019-03-01 15:25:05 |
| sbgi-20181231x10k.htm | 5031744 | 2019-03-01 15:25:05 |
| sbgi-20181231x10k_htm.xml | 5274668 | 2019-03-01 15:25:05 |
| sbgi-20181231_cal.xml | 181707 | 2019-03-01 15:25:05 |
| sbgi-20181231_def.xml | 672157 | 2019-03-01 15:25:05 |
| sbgi-20181231_lab.xml | 1256541 | 2019-03-01 15:25:05 |
| sbgi-20181231_pre.xml | 895148 | 2019-03-01 15:25:05 |
| Show.js | 1086 | 2019-03-01 15:25:05 |
 stockperformancechart.jpg | 64097 | 2019-03-01 15:25:05 |