The high-stakes deal that came together this week resulted from months of back-and-forth among a constellation of power players with competing interests, including the president and mogul Shari Redstone.

President Trump had sued over an interview with former Vice President Kamala Harris. The company needs federal approval for a multibillion-dollar sale.

The move comes as a striking concession in a case that has been seen as a threat to bedrock American principles of free speech.