Files reveal late al-Qaeda leader's theological interests and thoughts on ISIL founder, Abu Musab al Zarqawi.
al-Qaeda letters, videos, audio files and other materials provides the opportunity for the American people to gain further insights into the plans and workings of this terrorist organisation," Pompeo said.
"(The) CIA will continue to seek opportunities to share information with the American people consistent with our obligation to protect national security."
A spokesperson for the intelligence agency told Al Jazeera that the release of the documents was not in response to any legal request.
The trove includes approximately 79,000 audio and image files, which include practice reels for public speeches, and audio correspondence.
Among the more than 10,000 video files, are a video of Bin Laden's son Hamza as a young adult, "home videos," draft statements by Bin Laden, and al-Qaeda promotional material.
Some documents contained letters written by Bin Laden to his son Hamza instructing him to leave Afghanistan and travel to Pakistan after he obtains fake ID and other documents.