- DefinitionSchedule of capitalized costs for film predominantly monetized on its own and for rights acquired by broadcaster under license agreement for program material, including sports rights advances, recorded at the balance sheet date.
| Name: |
cmcsa_ScheduleOfCapitalizedFilmAndTelevisionCostsTableTextBlock |
| Namespace Prefix: |
cmcsa_ |
| Data Type: |
dtr-types:textBlockItemType |
| Balance Type: |
na |
| Period Type: |
duration |