Taxes

From the New York Times: “Based on projections by the Joint Committee on Taxation, the Congressional Budget Office and the Treasury, the tax increase on all three fronts would generate as much as $500 billion in new revenue over the next decade — about a third of what the Congressional committee is supposed to cut from the deficit.”

Reducing the Deficit: Spending and Revenue Options
“Federal revenues come from taxes on individual and corporate income, payroll taxes for social insurance programs (such as Social Security and unemployment compensation), excise taxes, estate and gift taxes, remittances from the Federal Reserve System, customs duties, and miscellaneous fees and fines. The two largest sources are individual income taxes and social insurance taxes, which together produce more than 80 percent of the government's revenues.” - Congressional Budget Office