The interim agreement between the United States and Iran has moved from diplomatic announcement to a more difficult test: implementation, money and political durability.

Associated Press reporting says the agreement is intended to stop the fighting, ease sanctions, reopen the Strait of Hormuz and restart nuclear talks. It also says key details remain unsettled, including how Iran may use unfrozen assets and how nuclear obligations will be monitored.

The cost of the conflict is now becoming a separate pressure point in Washington. AP reports that the Pentagon has told senators it needs roughly $80 billion, mostly to cover costs from the war with Iran. The White House Office of Management and Budget had not made a formal request to Congress at the time of the report.

That distinction matters. A Pentagon estimate can shape negotiations, but only a formal administration request starts the congressional budget fight in earnest.

The agreement may calm immediate pressure on energy markets, but it does not remove the political risks. Lawmakers still have to decide whether to fund war costs, negotiators still have to turn broad commitments into enforceable terms, and oil markets remain exposed to any renewed dispute over the Strait of Hormuz.