Investor
2011 Cable Communications
Comcast Cable Communications is a leading provider of video, high-speed Internet and voice services to residential and business customers. XFINITY® TV offers customers the best viewing experience anytime, anywhere, through an extensive collection of On Demand content, including over 30,000 choices on TV, 200,000 choices online, 8,000 hours on our XFINITY TV app, and thousands of choices on our new XFINITY StreampixTM service. We were the first to deploy DOCSIS 3.0 nationally, and, as a result, our XFINITY Internet service offers a broad range of speeds up to 105 Mbps. Our XFINITY Voice service delivers innovative and reliable IP-enabled home phone service, including features that are integrated with other Comcast services. Comcast Business Services provides advanced communications solutions to small and mid-sized organizations, while our advertising business puts the power of cable to work for local, regional and national advertisers.
Multiple services drive growth. Cable revenue increased 5% to $37.2 billion, driven by growth in our customer base, a greater number of our residential customers opting for higher levels of service, such as HD/DVRs or faster Internet speeds, and an increasing contribution from Business Services.
We continue to successfully balance financial and customer growth. In 2011, we added 1.4 million net new customers to end the year with 22.3 million video customers, 18.1 million high-speed Internet customers and 9.3 million digital voice customers. At year-end, 37% of our video customers purchased all three services, and average monthly total revenue per video customer reached $141, an increase of 7% that reflects the diversity of our revenue streams.
We believe these results reflect our scale and our intensified focus on service and innovation, all of which come together in our XFINITY brand message of product innovation and a better customer experience.
We manage our businesses for sustainable and profitable growth. Cable Communications operating cash flow increased 7% to $15.3 billion, resulting in a margin of 41.1%, a 70-basis-point improvement compared with 2010. Margin expansion was driven by our product mix and greater efficiencies in our operations.
These improvements helped to offset rising programming expenses, as we continue to increase the amount of content we provide to consumers across multiple platforms. We are also investing in marketing and new products. Our XFINITY brand is now available across our markets and is being well received by both our customers and those considering our services for purchase. We continue to expand Business Services into new segments and launch new products, such as XFINITY Home and XFINITY Signature Support.
The capital intensity of our Cable business continues to moderate, even as we invest capital in our network to strengthen our services and fund the expansion of new service offerings such as Business Services, XFINITY Home, XFINITY WiFi and the X1 platform. These investments provide attractive returns, expand our service and product offerings, and drive future organic growth.