According to Freddie Mac, the average American homeowner can get a 30-year mortgage today for as little as 3.5%. That sounds pretty good -- but right now corporate America is borrowing money for less than half that rate.

IBM (NYSE:IBM) just snagged $2.25 billion worth of loans for aggregate interest of less than 1.5% total. Apple (NASDAQ:AAPL), Texas Instruments, Unilever, and Walt Disney are all loading up on debt as well. But why?

To get the lowdown on low rates, why companies like them, and the risks of taking advantage of them, just watch the video below.

Fool contributor Rich Smith owns shares of Apple. The Motley Fool recommends Apple, Unilever, and Walt Disney. The Motley Fool owns shares of Apple, International Business Machines, and Walt Disney. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.