Definition · financial statements
Income statement
Income statement is the statement reporting revenue, expenses, and profit over a period of time. For income statement, the important details are the accounting period, source evidence, reviewer, materiality threshold, and control purpose that make the treatment auditable during close, reporting, and later review.
Also known as P&L, profit and loss statement, statement of operations
Why it matters
Understanding income statement matters because close, reconciliation, and audit work depend on consistent timing, source evidence, review thresholds, and ownership. A loose definition creates avoidable rework. When the term is tied to a source system, owner, and review cadence, it becomes easier to audit assumptions, catch changes early, and keep operators aligned.
In practice
Close example
Teams use income statement during close, review, or audit support when a balance or transaction needs evidence. The controller should be able to trace the number to source records, timing, reviewer, and control threshold.
Review example
Income statement should be reviewed whenever the source system, calculation logic, time period, or decision owner changes. That keeps the definition useful instead of letting it drift into a label.
In practice, teams should define income statement with a clear source, owner, time period, and decision before they use it in reporting, planning, or operating reviews.
Understanding income statement matters because close, reconciliation, and audit work depend on consistent timing, source evidence, review thresholds, and ownership. A loose definition creates avoidable rework. When the term is tied to a source system, owner, and review cadence, it becomes easier to audit assumptions, catch changes early, and keep operators aligned.
A strong workflow for income statement separates the definition from the action: first agree what the term means, then decide how it is measured, when it changes, and who is accountable for the next step.
FAQ
What is an income statement?
Income statement is the statement reporting revenue, expenses, and profit over a period of time. For income statement, the important details are the accounting period, source evidence, reviewer, materiality threshold, and control purpose that make the treatment auditable during close, reporting, and later review.
What is the difference between the income statement and the balance sheet?
The boundary for income statement differs from related terms by scope, source data, time period, and decision use. In this glossary, it covers the statement reporting revenue, expenses, and profit over a period of time, so teams should compare those boundaries before using it in reporting or planning.
Sources
- How to Read & Understand an Income Statement Harvard Business School Online https://online.hbs.edu › blog › post ›online.hbs.edu
- What is an income statement? SEC.gov https://www.sec.gov › files › income-statement-b...sec.gov
- Income Statement: How to Read and Use It Investopedia https://www.investopedia.com › ... › Financial Statementsinvestopedia.com
- Income Statement - Definition, Explanation and Examples Corporate Finance Institutecorporatefinanceinstitute.com