The new company will include the USA Network, CNBC, MSNBC, Oxygen, E!, SYFY and the Golf Channel. Comcast will retain as part of NBCUniversal the NBC broadcast network, including NBC News; NBC Sports; the streaming service Peacock; and the cable channel Bravo.

Comcast would retain NBCUniversal's NBC broadcast television network, its film and television studios and its theme parks, as well as its Peacock streaming service.

Comcast is planning to announce the spinoff of its cable networks, including CNBC, MSNBC and E!, on Wednesday, according to a source familiar with the matter.