What Is Cash Flow from Operating Activities?

Textbook Definition

Cash flow from operating activities is the cash generated by a company’s core business during a period. Under the indirect method it starts with net income, adds back non-cash expenses, and adjusts for changes in working capital.

In Plain English

It is the cash the business throws off from doing its normal work, before it buys equipment or pays its owners. If this number is big and steady, the business pays its own way.

Operating Cash Flow (Indirect Method)

Net Income + Non-Cash Expenses ± Changes in Working Capital

Apple, fiscal 2025: $111.5B

Non-cash expenses are costs on the income statement that did not use cash this year. Depreciation is the big one. Working capital changes capture timing: customers who have not paid yet, inventory bought, bills not yet paid.

Apple’s Operating Cash Flow vs. Net Income, 2021 to 2025

Operating cash beat net income in four of five years. In 2025 the two were almost identical. Either way, Apple’s profits are backed by collected cash.

Company: Apple Inc.Fiscal years end in SeptemberUnits: $ millions
Line20252024202320222021
Cash from operating activities111,482118,254110,543122,151104,038
Net income112,01093,73696,99599,80394,680
Depreciation (income statement)11,69811,44511,41911,10411,284
Operating cash ÷ net income1.001.261.141.221.10

Source: Apple Form 10-K filings, fiscal 2021 to 2025, as analyzed in the book. $ millions. The last row is calculated from the lines above.

Worked Example: Apple, Fiscal 2025 ($ millions) Net income 112,010 + depreciation 11,698 = 123,708 Other non-cash items and working capital changes, net: (12,226) Cash from operating activities: 111,482 Quality check: 111,482 ÷ 112,010 = 1.00. About a dollar of cash for every dollar of profit. In 2024 it was $1.26.

How to Judge Operating Cash Flow in 5 Steps

  1. Find the first total on the cash flow statement.

    It is the subtotal at the bottom of the operating section, usually labeled cash generated by operating activities.

  2. Divide it by net income.

    At or above 1.0 means profit is landing as cash. Well below 1.0 year after year is a yellow flag worth digging into.

  3. Read five years for the trend.

    Apple’s swung from $122.2 billion in 2022 down to $110.5 billion in 2023 and back up. Swings are normal. A steady slide is not.

  4. Look at what drives the gap.

    Depreciation pushes cash above profit. Growing receivables and inventory pull it below. The working capital lines tell you which.

  5. Subtract capex next.

    Operating cash is what the engine makes. Free cash flow is what is left after reinvesting. That is the next number to check.

Profit Down, Cash Up

In 2024 Apple’s net income fell to $93.7 billion, dragged down in part by a one-time European tax charge. Operating cash that same year was $118.3 billion, the second-highest of the five years. Profit and cash moved in opposite directions. When that happens, do not pick one. Read both, find the cause, and ask whether it repeats.

Apple vs. Microsoft: Two Cash Machines

Both companies sit in rare territory. Microsoft’s operating cash flow runs on the order of $120 billion and is climbing. Apple’s ended fiscal 2025 at $111.5 billion.

Latest fiscal yearAppleMicrosoft
Operating cash flow$111.5Babout $120B
Net income$112B$102B
Where the difference shows uplow capex, big buybacksheavy capex for data centers

Microsoft comparisons as described in the book. Microsoft’s fiscal year ends in June.

The real split between them is not the cash they make. It is what they do with it. That shows up after capex, in free cash flow.

What Do Beginners Get Wrong About Operating Cash Flow?

  • Assuming net income and operating cash should match every year.
  • Forgetting depreciation is added back because it used no cash this year.
  • Ignoring rising receivables that drain cash while profit looks fine.
  • Calling one weak year a trend.
  • Stopping at operating cash without subtracting capex.
  • Mixing operating cash with the investing or financing totals.

How the Book Grades Apple’s Cash Engine

AOperating Cash Flow
AFree Cash Flow
B+Net Income
Operating cash earns an A. Net income earns a B+. Why the difference? The book walks through it line by line.Get the Book on Amazon →

The Most Important Question About Any Business

Cash Flow Statement · Operating Activities

The Cash-Earning Engine

In plain terms, it answers the most important question about any business: does actually running it generate cash?

Operating cash, capex, free cash flow, and payouts, all graded on Apple. The full chapter is in the book.

Get the Book on Amazon →

Running Your Own Shop?

Slow-paying customers are the fastest way to make operating cash lag profit. See how to get customers to pay on time. If profit looks good and the bank does not, Dr. Paul works with owners as a part-time financial lead. See fractional CFO services.

Operating Cash Flow Questions

What is included in cash flow from operating activities?
Net income, plus non-cash expenses such as depreciation, plus or minus changes in working capital such as receivables, inventory, and payables. It covers the cash effects of running the core business, not buying equipment or paying shareholders.
Why is operating cash flow different from net income?
Net income counts revenue when earned and expenses when owed. Operating cash flow counts cash when it moves. Depreciation lowers profit but not cash, and customers who have not paid yet raise profit but not cash.
Is higher operating cash flow than net income good?
Usually, yes. It means profits are backed by collected cash. Apple’s operating cash flow was at or above its net income in four of five years from 2021 to 2025, and within 1% in the fifth.

Written by Dr. Paul Borosky, DBA, MBA, business consultant, author, and adjunct finance instructor with an MBA focused in finance.

This page is for general educational purposes only. It is not investment, financial, tax, accounting, or legal advice, and nothing here is a recommendation to buy or sell any security. Apple and Microsoft figures come from their public filings as analyzed in the book. Apple and Microsoft are trademarks of their respective owners, and this page is not affiliated with or endorsed by either company.