The history of AT&T (the American Telephone and Telegraph Company) is the history of the American communications grid. For nearly a century, operating under the moniker "Ma Bell," AT&T functioned as a regulated, legal monopoly, controlling virtually every aspect of the telephone system in the United States, from manufacturing the physical telephones (Western Electric) to inventing the transistor (Bell Labs). This monopoly was finally shattered in 1984 by the US Justice Department, which forced the breakup of AT&T into seven regional "Baby Bells." The modern AT&T corporation was actually formed by one of those Baby Bells, SBC Communications (led by the aggressive CEO Ed Whitacre), which acquired its former siblings and eventually bought the AT&T brand name itself in 2005.
The DirecTV Disaster
In the 2010s, AT&T's core wireless business was profitable but facing stagnant growth, locked in a severe, zero-sum war with Verizon. Fearing that it was becoming a "dumb pipe" (just a utility delivering data that other companies monetized), then-CEO Randall Stephenson embarked on a badly timed strategy of vertical integration. In July 2015 AT&T paid $48.5 billion for DirecTV, a satellite television provider, about $67 billion including assumed debt. The timing was catastrophic. The moment the deal closed, the "cord-cutting" revolution accelerated, and consumers abandoned expensive satellite television for streaming services like Netflix. DirecTV lost subscribers every year AT&T owned it, and the debt raised to buy it became the constraint on everything else.
The Time Warner Megadeal
Rather than retreating, Stephenson doubled down. On June 14, 2018, two days after a federal judge rejected the Justice Department challenge, AT&T closed an $85.4 billion acquisition of Time Warner, about $108.7 billion including assumed debt, bringing in HBO, CNN and Warner Bros. The logic was to own the premium content (HBO) and deliver it directly to consumers via AT&T's cellular network, creating an impenetrable entertainment and telecom ecosystem. However, integrating the creative, autonomous culture of a Hollywood studio with the rigid, bureaucratic culture of a Texas telecom company was a disaster. The two deals together pushed net debt past $180 billion, making AT&T one of the most indebted non-financial companies in the world.
The Stankey Restructuring and the Unwinding
The strong debt load and the intense financial pressure of fighting the "streaming wars" against Disney and Netflix ultimately broke the company. When John Stankey took over as CEO on July 1, 2020, he began unwinding the empire his predecessor had built. AT&T moved DirecTV into a joint venture with TPG in 2021 at a $16.25 billion enterprise valuation, far below what it had paid, and sold its remaining 70% stake on July 2, 2025 for a $5.6 billion accounting gain. In April 2022 it separated WarnerMedia and merged it with Discovery to create Warner Bros. Discovery, receiving about $40.4 billion in cash and debt relief. The reversal was an admission that owning the content had not made the network more valuable.
The Return to Fiber and 5G
Today AT&T is a smaller, plainer company that reports only connectivity businesses. Capital goes to two places: mid-band 5G capacity, which now covers more than 310 million people, and fiber, which passed 32.0 million consumer and business locations at the end of 2025 and carried 10.4 million subscribers. FY2025 revenue was $125.6 billion, with $46.4 billion of adjusted EBITDA and $16.6 billion of free cash flow against $117.4 billion of net debt. The company has kept buying network assets rather than media: roughly $14 billion committed to Ericsson in December 2023 for Open RAN modernization, $5.75 billion for Lumen's mass markets fiber business in February 2026, and about $23 billion for EchoStar spectrum licences in July 2026. Whether that is a better use of capital than the media years depends on how much of the 32 million-location fiber footprint AT&T can convert into paying households while servicing the debt and funding the dividend.