“He says to me, ‘We’ll, you know, we’ll claim Hawaii,’” Mrs. Clinton told Mr. Blankfein. “And I said: ‘Yeah, but we have proof we bought it. Do you have proof you bought any of these places you’re claiming?’”

Mr. Blankfein interjected: “But they have to take New Jersey.”

“No, no, no,” Mrs. Clinton said. “We’re going to give them a red state.”

At these events, which took place in June and October of 2013, Mrs. Clinton repeatedly demurred when asked about her future plans, but it was also clear she was contemplating the political landscape if she were to run again.

Mrs. Clinton said that if she mounted a presidential campaign, she would need to begin raising money in 2014 or “early the following year.” And she expressed concerns about how the news media covered campaigns.

“Our political press has just been captured by trivia,” Mrs. Clinton said at a C.E.O. conference in South Carolina at which Mr. Blankfein moderated a discussion. “And so you don’t want to give them any more time to trivialize the importance of the issues than you have to give them. You want to be able to wait as long as possible.”

Excerpts from some of her speeches had previously been released by WikiLeaks, shortly after a recording surfaced in which her opponent, Donald J. Trump, made crude remarks about women. The Clinton campaign has refused to verify the authenticity of the transcripts, which came from the hacked email account of John D. Podesta, Mrs. Clinton’s campaign chairman. The campaign has blamed the Russian government for the hack and WikiLeaks — whose founder, Julian Assange, is a critic of Mrs. Clinton — for releasing the emails in a coordinated effort to help Mr. Trump, a view echoed by the Obama administration.