The Committee on the Budget establishes the annual framework for congressional spending and revenue levels through the budget resolution process. It oversees the Congressional Budget Office and monitors federal budget enforcement, analyzing the financial impact of proposed legislation.

The Committee on Finance holds broad jurisdiction over taxation and revenue measures, the nation's debt, customs, international trade, and key social programs. It oversees Social Security, Medicare, Medicaid, and unemployment benefits, shaping fiscal policy and health legislation.

The Committee on Foreign Relations leads Senate consideration of U.S. foreign policy, including treaties, diplomatic nominations, foreign aid, and arms control. It shapes legislation concerning international relations and provides oversight of the State Department and other foreign affairs agencies.

The Select Committee on Intelligence provides vigilant legislative oversight of the United States Intelligence Community, ensuring activities conform to the Constitution and laws. It reviews intelligence budgets, programs, and operations, and prepares legislation authorizing appropriations for intelligence agencies.

The Committee on the Judiciary conducts oversight of the Department of Justice and considers nominations for federal judgeships, including the Supreme Court. Its legislative jurisdiction covers constitutional amendments, federal criminal law, immigration, antitrust, patents, and civil liberties.

The United States Senate Caucus on International Narcotics Control oversees and promotes international cooperation against drug trafficking and abuse. It monitors U.S. counternarcotics policies and programs abroad, working with foreign governments and international bodies.

Composed of senior members of the House Ways and Means and Senate Finance committees, this non-partisan committee provides expert analysis on tax legislation for Congress. It prepares official revenue estimates for tax proposals and assists in drafting tax laws.