The Apple logo is displayed on the exterior of an Apple Store on April 23, 2013, in San Francisco, California. Technology giant Apple confirmed Wednesday it sold $17 billion in bonds in the biggest corporate debt issue ever.

Technology giant Apple confirmed Wednesday it sold $17 billion in bonds in the biggest corporate debt issue ever.

The bond sale, described in documents filed with the , broke the record of $16.5 billion from Roche Holding in 2009, according to the research firm Dealogic.

The debt-free Apple on Tuesday offered six tranches of debt, four at fixed rates and two at floating rates with the maturity between three and 30 years.

For the three-year bonds, Apple will pay a rate of 0.45 percent, which according to Dealogic is the lowest coupon rate on record, tied with , Unilever Capital and for comparable notes.

The bond maturities go up to 30 years, with a rate of 3.85 percent, according to the SEC documents.

The company chose to issue debt to finance part of the $100 billion in share buybacks and it pledged to undertake through the end of 2015.

Apple had a cash pile of $145 billion at the end of March. But a significant part of the money is in foreign accounts and the company decided it was better to borrow than bring the money back into the US because of tax issues.