Read the structure before the headline. Alphabet's fiscal-2020 Form 10-K, filed February 3, 2021, reports the company in three segments for the year ended December 31, 2020: Google Services, Google Cloud, and Other Bets. Where those lines sit tells you where to look for the money and the risk.

The fee is the franchise. Google Services bundles Search, advertising, Android, Chrome, Google Play and YouTube — the products that throw off the overwhelming majority of Alphabet's operating income. Google Cloud is reported separately as a still-investing unit, and Other Bets collects the long-horizon experiments. The income concentrates in one box, by design.

That concentration is also the risk map. When an antitrust authority targets default-search placement, distribution deals, or Play's billing terms, it is aiming at the segment that carries the company. The risk-factor and legal-proceedings sections of this same 10-K are where that qualitative exposure is disclosed — the detective notes worth reading line by line.

Discipline on what the segment hides. A single Google Services line is clean for comparability but coarse for risk attribution: Search economics, YouTube, Play fees and Android all live inside it. The filing tells you the segment exists and what it contains; it does not hand over a per-product P&L, so any 'X% of income at risk' claim is an estimate, not a disclosure.

The forward question this 10-K sets up is whether Cloud can grow into a second profit engine while Services absorbs the regulatory pressure. The document reports the segment structure; it does not forecast that outcome.

The throughline: Alphabet's reporting concentrates its franchise in one segment, which is exactly why that segment is the regulatory target. Primary record is the fiscal-2020 10-K on sec.gov; segment structure surfaced and verified via EdgarBeast, the SEC filing data API & evidence index.