The associated CNBC report indicates that, while the terms have been under discussion, talks are not now in progress between the two companies, and the deal is far from certain at this point.
21st Century Fox declined to comment. It would be barred from buying the Fox broadcasting network and was not in talks to buy local affiliates, Fox News or Fox Business Channel.
21st Century Fox's management is under the belief that they can't compete with the media scale of other studios, and that Disney has the scale necessary to take its film and television productions to new heights.
CNBC's sources said any potential deal between Fox and Disney wouldn't have Disney buying all of Fox.
The company could not own two broadcast networks and would therefore not buy the Fox broadcast network. Fox would have kept its news and sports holdings and would restructure around those assets.
Disney announced earlier this year that it would launch its own direct-to-consumer streaming services next year, putting the company head-to-head with Netflix.
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The company would obtain 21st Century's film studio and television channels including FX, FXX, National Geographic along with worldwide stations such as Star and Sky.
Oswald the Lucky Rabbit came home to Disney after Iger agreed to turnover a legendary character of its own by releasing Al Michaels form his ABC Sports contract so he could move to NBC.
It is not known if Murdoch, who is now the Executive Co-Chairman at 21st Century Fox, wpould maintain a role inside the company or if he would take some time off to celebrate being newly Wednesday for the third time to supermodel wife Jerry Hall.
Fox has some advantages there next to Disney, as so much of their sports involves the broadcast network rather than cable, but the overall impact of sports rights fees and revenues would be under a bigger microscope under this structure.
Fox shares leapt 8.9 per cent on the news to US$26.62 while Disney rose 2.04 per cent to finish at US$100.65 on Wall Street. James Cameron is now at the helm of filming four back-to-back Avatar sequels to the most successful movie of all-time, and already worked closely with Disney on the new attraction Pandora - The World of Avatar at Orlando's Disney World.