Legendary fund manager Li Lu (who Charlie Munger backed) once said, 'The biggest investment risk is not the volatility of prices, but whether you will suffer a permanent loss of capital.' When we think about how risky a company is, we always like to look at its use of debt, since debt overload can lead to ruin. Importantly, Stryker Corporation (NYSE:SYK) does carry debt. But the more important question is: how much risk is that debt creating?

Why Does Debt Bring Risk?

Debt is a tool to help businesses grow, but if a business is incapable of paying off its lenders, then it exists at their mercy. In the worst case scenario, a company can go bankrupt if it cannot pay its creditors. However, a more frequent (but still costly) occurrence is where a company must issue shares at bargain-basement prices, permanently diluting shareholders, just to shore up its balance sheet. Having said that, the most common situation is where a company manages its debt reasonably well - and to its own advantage. The first step when considering a company's debt levels is to consider its cash and debt together.

What Is Stryker's Debt?

The image below, which you can click on for greater detail, shows that at September 2024 Stryker had debt of US$13.3b, up from US$12.7b in one year. On the flip side, it has US$4.68b in cash leading to net debt of about US$8.64b.

How Healthy Is Stryker's Balance Sheet?

We can see from the most recent balance sheet that Stryker had liabilities of US$7.67b falling due within a year, and liabilities of US$16.0b due beyond that. Offsetting these obligations, it had cash of US$4.68b as well as receivables valued at US$3.74b due within 12 months. So its liabilities total US$15.3b more than the combination of its cash and short-term receivables.

Of course, Stryker has a titanic market capitalization of US$136.8b, so these liabilities are probably manageable. However, we do think it is worth keeping an eye on its balance sheet strength, as it may change over time.

We measure a company's debt load relative to its earnings power by looking at its net debt divided by its earnings before interest, tax, depreciation, and amortization (EBITDA) and by calculating how easily its earnings before interest and tax (EBIT) cover its interest expense (interest cover). This way, we consider both the absolute quantum of the debt, as well as the interest rates paid on it.

Stryker's net debt to EBITDA ratio of about 1.5 suggests only moderate use of debt. And its commanding EBIT of 16.4 times its interest expense, implies the debt load is as light as a peacock feather. Also good is that Stryker grew its EBIT at 16% over the last year, further increasing its ability to manage debt. When analysing debt levels, the balance sheet is the obvious place to start. But ultimately the future profitability of the business will decide if Stryker can strengthen its balance sheet over time. So if you're focused on the future you can check out this free report showing analyst profit forecasts.

Finally, a company can only pay off debt with cold hard cash, not accounting profits. So we always check how much of that EBIT is translated into free cash flow. Over the most recent three years, Stryker recorded free cash flow worth 65% of its EBIT, which is around normal, given free cash flow excludes interest and tax. This free cash flow puts the company in a good position to pay down debt, when appropriate.

Our View

The good news is that Stryker's demonstrated ability to cover its interest expense with its EBIT delights us like a fluffy puppy does a toddler. And the good news does not stop there, as its conversion of EBIT to free cash flow also supports that impression! It's also worth noting that Stryker is in the Medical Equipment industry, which is often considered to be quite defensive. Looking at the bigger picture, we think Stryker's use of debt seems quite reasonable and we're not concerned about it. While debt does bring risk, when used wisely it can also bring a higher return on equity. The balance sheet is clearly the area to focus on when you are analysing debt. However, not all investment risk resides within the balance sheet - far from it. For example - Stryker has 2 warning signs we think you should be aware of.

At the end of the day, it's often better to focus on companies that are free from net debt. You can access our special list of such companies (all with a track record of profit growth). It's free.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.