Table S–3. Budget Summary (In billions of dollars) Estimates 2000 2001 2002 2003 2004 2005 2006 2007 2008 Outlays: Discretionary: Department of Defense 262 278 279 285 294 303 317 318 322 332 Non-DoD discretionary 313 339 355 366 371 378 384 393 402 412 Subtotal, discretionary 575 618 634 651 665 681 701 711 724 744 Mandatory: Social Security 387 403 422 443 465 490 516 545 575 608 Medicare and Medicaid 296 316 342 362 389 426 462 489 535 574 Means-tested entitlements (except Medicaid) 104 110 111 119 126 131 139 140 141 150 Other 112 123 117 121 128 136 144 150 157 168 Subtotal, mandatory 898 952 993 1,046 1,108 1,183 1,260 1,324 1,408 1,500 Net interest 230 220 208 199 189 178 164 150 134 118 Total outlays 1,703 1,790 1,835 1,895 1,963 2,041 2,125 2,185 2,267 2,362 Receipts 1,827 1,956 2,019 2,081 2,147 2,236 2,341 2,440 2,559 2,676 Unified Budget Surplus 124 167 184 186 185 195 215 256 292 314 Surplus Allocated for Debt Reduction: Social Security solvency lock-box 124 148 160 172 184 195 214 224 239 250 Medicare solvency transfers ... ... 15 13 ... ... ... 26 47 57 Reserve for catastrophic prescription drug coverage ... ... ... ... ... ... ... 4 5 7 On-budget surplus 1 19 9 1 * * 2 1 1 * Total debt reduction 124 167 184 186 185 195 215 256 292 314 Memorandum: Discretionary outlays net of offsets 1 575 618 626 649 663 679 699 709 723 743 1 Offsets for 1999 and 2000 have been reclassified as mandatory. 1999 Actual * $500 million or less.2009 2010 341 349 421 431 762 781 645 685 617 661 154 160 177 187 1,594 1,693 100 80 2,456 2,553 2,785 2,917 329 363 260 272 61 80 8 11 * * 329 363 762 780