Selected Financial Data by Business Segment (In millions) 2011 2010 2009 Net sales Aeronautics $14,362 $13,109 $11,988 Electronic Systems 14,622 14,399 13,630 Information Systems & Global Solutions 9,381 9,921 9,599 Space Systems 8,134 8,242 8,650 Total $46,499 $45,671 $43,867 Operating profit (a) Aeronautics $ 1,630 $ 1,498 $ 1,567 Electronic Systems 1,788 1,748 1,648 Information Systems & Global Solutions 874 814 874 Space Systems 989 968 967 Total business segments 5,281 5,028 5,056 Severance and other charges (b) (136) (220) — Other unallocated corporate expense, net (c) (1,165) (759) (689) Operating profit $ 3,980 $ 4,049 $ 4,367 Intersegment revenue Aeronautics $ 193 $ 128 $ 210 Electronic Systems 1,095 988 856 Information Systems & Global Solutions 864 912 827 Space Systems 113 124 122 Total $ 2,265 $ 2,152 $ 2,015 Depreciation and amortization Aeronautics $ 345 $ 334 $ 304 Electronic Systems 276 286 287 Information Systems & Global Solutions 83 106 119 Space Systems 199 212 209 Total business segments 903 938 919 Corporate activities 105 114 95 Total $ 1,008 $ 1,052 $ 1,014 Expenditures for property, plant and equipment and capitalized software Aeronautics $ 361 $ 422 $ 436 Electronic Systems 280 288 290 Information Systems & Global Solutions 71 67 66 Space Systems 192 205 232 Total business segments 904 982 1,024 Corporate activities 83 92 142 Total $ 987 $ 1,074 $ 1,166 62