How T (AT&T) Makes Money in 2026: A Deep-Dive With Income Statement

Welcome to the Value Sense Blog, your resource for insights on the stock market! At Value Sense, we focus on intrinsic value tools and offer stock ideas with undervalued companies. Dive into our research products and learn more about our unique approach at valuesense.io

Explore diverse stock ideas covering technology, healthcare, and commodities sectors. Our insights are crafted to help investors spot opportunities in undervalued growth stocks, enhancing potential returns. Visit us to see evaluations and in-depth market research.

Understanding how a telecommunications giant like AT&T (T) makes money is essential for investors and anyone interested in the business of telecom services. In this post, we break down AT&T's quarterly income statement (Q4 2025) using a Sankey chart to visualize the financial flows — what comes in, where it goes, and what's left as profit.

Quick AT&T Overview

AT&T operates as a leading telecommunications company providing wireless, broadband, and related services primarily in the U.S. Revenue comes primarily from Communications services including mobility, business wireline, and consumer broadband. Additional segments include Latin America operations and minor corporate contributions, following the divestiture of WarnerMedia.

Revenue Breakdown

• Total Revenue (Q4 2025): $33.5B (+3.6% YoY)
  • Communications Revenue: $32.1B (96.0% of total)
  • Latin America Revenue: $1.3B (3.8% of total)
  • Growth is powered by strong performance in Communications (up 3.2% YoY) and Latin America expansion (up 20.6% YoY).

Gross Profit and Margins

• Gross Profit: $7.2B (21.5% gross margin)
  • Cost of Revenue: $26.3B (+0.0% YoY)
  • AT&T maintains robust margins due to scale in wireless and broadband services, network efficiencies, and a shift toward higher-margin postpaid mobility.
• Most costs come from network operations, equipment subsidies, and interconnection expenses.

Operating Income and Expenses

• Operating Income: $5.2B (+-3.1% YoY, 15.4% margin)
• Operating Expenses: $54.6B (+327.7% YoY)
  • R&D: Not separately disclosed — investments focus on 5G network upgrades and fiber expansion
  • SG&A: $7.5B (+1.8% YoY, 22.5% of revenue) — covers sales, marketing, and general administrative functions including customer acquisition and regulatory compliance
  • AT&T continues to prioritize innovation while maintaining efficiency through cost controls in a mature telecom market.

Net Income

• Pre-Tax Income: $4.3B (+-19.6% YoY, 12.7% margin)
• Income Tax: $0.1B (2.6% effective tax rate)
• Net Income: $3.7B (+-8.7% YoY, 11.1% net margin)
• AT&T converts a significant portion of sales into profit due to operational scale, pricing power in mobility services, and low effective tax rate.

Most investors waste time on the wrong metrics. We've spent 10,000+ hours perfecting our value investing engine to find what actually matters.

Want to see what we'll uncover next - before everyone else does?

Find Hidden Gems First!

What Drives AT&T's Money Machine?

• Communications Revenue: 96%+ of revenue — driven by mobility (postpaid and prepaid wireless), broadband internet, and business solutions like fiber and edge computing
• Subscriber Growth Metrics: Key metrics include wireless net adds and ARPU (average revenue per user) stability amid 5G rollout
• Network Investments: Heavy capex in spectrum and infrastructure to support premium services
• Latin America: High-growth region with 20.6% YoY increase, though not yet profitable at scale

Visualizing AT&T's Financial Flows

The Sankey chart below visualizes how each dollar flows from gross revenue, through costs and expenses, down to net income. This helps investors spot where value is created, what areas weigh on profits, and how efficiently the company operates.

• Most revenue flows into gross profit, with operating expenses (especially SG&A and other operating costs) taking the largest chunk.
• Even after significant network-related costs, 11.1% of revenue drops to the bottom line.

Key Takeaways

• AT&T's money comes overwhelmingly from Communications segment
• High gross and net margins illustrate the power of AT&T's asset-light wireless model
• Heavy investment in network infrastructure, balanced by efficiency in operating costs
• Ongoing growth is driven by wireless subscriber growth and international expansion

Explore More Investment Opportunities

For investors seeking undervalued companies with high fundamental quality, our analytics team provides curated stock lists:

📌 50 Undervalued Stocks (Best overall value plays for 2026)

📌 50 Undervalued Dividend Stocks (For income-focused investors)

📌 50 Undervalued Growth Stocks (High-growth potential with strong fundamentals)

🔍 Check out these stocks on the Value Sense platform for free!

FAQ About AT&T's Income Statement

1. What is the main source of AT&T's revenue in 2025?

AT&T generates over 96% of its revenue from Communications. Additional sources include Latin America (3.8%) and minor Corporate & Other contributions.

2. How profitable is AT&T in Q4 2025?

AT&T reported net income of $3.7B in Q4 2025, with a net margin of approximately 11.1%, reflecting strong profitability driven by scale in core telecom services and cost discipline.

3. What are the largest expense categories for AT&T?

The biggest expenses on AT&T's income statement are operating expenses, particularly Research & Development (R&D) and Sales, General & Administrative (SG&A) costs. R&D investment reached embedded levels in Q4 2025, as AT&T prioritizes 5G and fiber network expansions.

4. Why does Latin America operate at a loss?

Latin America, despite generating $1.3B in revenue, contributes modestly to overall profitability in Q4 2025. This is because AT&T aggressively invests in market expansion and infrastructure, believing these will drive long-term growth—even if the division is unprofitable today.

5. How does AT&T's effective tax rate compare to previous years?

AT&T's effective tax rate in Q4 2025 was 2.6%, lower than previous years. This low rate is primarily due to tax benefits from operations, credits, and international structuring.