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| 0001166691-20-000030-index.html | 2020-10-29 07:05:23 | |
| 0001166691-20-000030.txt | 2020-10-29 07:05:23 | |
 0001166691-20-000030-xbrl.zip | 54307 | 2020-10-29 07:05:23 |
| cmcsa-20201029.htm | 64167 | 2020-10-29 07:05:23 |
| cmcsa-20201029.xsd | 4682 | 2020-10-29 07:05:23 |
| cmcsa-20201029_cal.xml | 778 | 2020-10-29 07:05:23 |
| cmcsa-20201029_def.xml | 19266 | 2020-10-29 07:05:23 |
| cmcsa-20201029_htm.xml | 27175 | 2020-10-29 07:05:23 |
| cmcsa-20201029_lab.xml | 40872 | 2020-10-29 07:05:23 |
| cmcsa-20201029_pre.xml | 20297 | 2020-10-29 07:05:23 |
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| ex991-9302020.htm | 637858 | 2020-10-29 07:05:23 |
| ex992-9302020.htm | 15320 | 2020-10-29 07:05:23 |
| FilingSummary.xml | 1898 | 2020-10-29 07:05:23 |
| Financial_Report.xlsx | 6004 | 2020-10-29 07:05:23 |
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| MetaLinks.json | 25793 | 2020-10-29 07:05:23 |
| R1.htm | 59987 | 2020-10-29 07:05:23 |
| report.css | 2767 | 2020-10-29 07:05:23 |
| Show.js | 1085 | 2020-10-29 07:05:23 |