WASHINGTON — The Obama administration has urged a court to reject a request to disclose thousands of pages of documents from a Justice Department investigation into the torture of detainees by the Central Intelligence Agency, including summaries of interviews with about 100 witnesses and documents explaining why in the end no charges were filed.

The administration made the filing late Tuesday in response to a Freedom of Information Act lawsuit brought by The New York Times, hours after the Senate Intelligence Committee made public a 524-page executive summary of its own investigation into C.I.A. torture. The committee based its report on a review of C.I.A. documents but did not conduct any interviews.

The Justice Department materials, the court filing revealed, include 10 reports and memorandums totaling 1,719 pages — more than three times the number of pages in the Senate report released Tuesday — as well as “numerous” pages of reports on interviews with current and former C.I.A. officials.