Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-12-243946-index-headers.html | 2012-05-22 21:31:53 | |
| 0001193125-12-243946-index.html | 2012-05-22 21:31:53 | |
| 0001193125-12-243946.txt | 2012-05-22 21:31:53 | |
 0001193125-12-243946-xbrl.zip | 1191401 | 2012-05-22 21:31:53 |
| d351873d8k.htm | 34830 | 2012-05-22 21:31:53 |
| d351873dex121.htm | 43986 | 2012-05-22 21:31:53 |
| d351873dex231.htm | 2939 | 2012-05-22 21:31:53 |
| d351873dex991.htm | 7946377 | 2012-05-22 21:31:53 |
| FilingSummary.xml | 121820 | 2012-05-22 21:31:53 |
| Financial_Report.xls | 15114919 | 2012-05-22 21:31:53 |
| met-20111231.xml | 19482664 | 2012-05-22 21:31:53 |
| met-20111231.xsd | 352314 | 2012-05-22 21:31:53 |
| met-20111231_cal.xml | 259088 | 2012-05-22 21:31:53 |
| met-20111231_def.xml | 2102621 | 2012-05-22 21:31:53 |
| met-20111231_lab.xml | 2583712 | 2012-05-22 21:31:53 |
| met-20111231_pre.xml | 2384946 | 2012-05-22 21:31:53 |
| R1.htm | 16914 | 2012-05-22 21:31:53 |
| R10.htm | 329829 | 2012-05-22 21:31:53 |
| R100.htm | 21588 | 2012-05-22 21:31:53 |
| R101.htm | 30862 | 2012-05-22 21:31:53 |
| R102.htm | 48568 | 2012-05-22 21:31:53 |
| R103.htm | 16710 | 2012-05-22 21:31:53 |
| R104.htm | 44319 | 2012-05-22 21:31:53 |
| R105.htm | 39373 | 2012-05-22 21:31:53 |
| R106.htm | 22543 | 2012-05-22 21:31:53 |
| R107.htm | 39376 | 2012-05-22 21:31:53 |
| R108.htm | 17782 | 2012-05-22 21:31:53 |
| R109.htm | 18470 | 2012-05-22 21:31:53 |
| R11.htm | 83830 | 2012-05-22 21:31:53 |
| R110.htm | 12811 | 2012-05-22 21:31:53 |
| R111.htm | 9516 | 2012-05-22 21:31:53 |
| R112.htm | 35432 | 2012-05-22 21:31:53 |
| R113.htm | 12987 | 2012-05-22 21:31:53 |
| R114.htm | 5529 | 2012-05-22 21:31:53 |
| R115.htm | 8876 | 2012-05-22 21:31:53 |
| R116.htm | 8682 | 2012-05-22 21:31:53 |
| R117.htm | 24622 | 2012-05-22 21:31:53 |
| R118.htm | 5394 | 2012-05-22 21:31:53 |
| R119.htm | 5384 | 2012-05-22 21:31:53 |
| R12.htm | 1108310 | 2012-05-22 21:31:53 |
| R120.htm | 7938 | 2012-05-22 21:31:53 |
| R121.htm | 5047 | 2012-05-22 21:31:53 |
| R122.htm | 13216 | 2012-05-22 21:31:53 |
| R123.htm | 16553 | 2012-05-22 21:31:53 |
| R124.htm | 7081 | 2012-05-22 21:31:53 |
| R125.htm | 5873 | 2012-05-22 21:31:53 |
| R126.htm | 13275 | 2012-05-22 21:31:53 |
| R127.htm | 7418 | 2012-05-22 21:31:53 |
| R128.htm | 18810 | 2012-05-22 21:31:53 |
| R129.htm | 9037 | 2012-05-22 21:31:53 |
| R13.htm | 621123 | 2012-05-22 21:31:53 |
| R130.htm | 7798 | 2012-05-22 21:31:53 |
| R131.htm | 5038 | 2012-05-22 21:31:53 |
| R132.htm | 6852 | 2012-05-22 21:31:53 |
| R133.htm | 40090 | 2012-05-22 21:31:53 |
| R134.htm | 27829 | 2012-05-22 21:31:53 |
| R135.htm | 12459 | 2012-05-22 21:31:53 |
| R136.htm | 5410 | 2012-05-22 21:31:53 |
| R137.htm | 14297 | 2012-05-22 21:31:53 |
| R138.htm | 62266 | 2012-05-22 21:31:53 |
| R139.htm | 101184 | 2012-05-22 21:31:53 |
| R14.htm | 1095513 | 2012-05-22 21:31:53 |
| R140.htm | 41849 | 2012-05-22 21:31:53 |
| R141.htm | 60374 | 2012-05-22 21:31:53 |
| R142.htm | 11833 | 2012-05-22 21:31:53 |
| R143.htm | 14849 | 2012-05-22 21:31:53 |
| R144.htm | 25056 | 2012-05-22 21:31:53 |
| R145.htm | 21720 | 2012-05-22 21:31:53 |
| R146.htm | 46031 | 2012-05-22 21:31:53 |
| R147.htm | 19723 | 2012-05-22 21:31:53 |
| R148.htm | 125883 | 2012-05-22 21:31:53 |
| R149.htm | 34079 | 2012-05-22 21:31:53 |
| R15.htm | 85002 | 2012-05-22 21:31:53 |
| R150.htm | 26755 | 2012-05-22 21:31:53 |
| R151.htm | 18223 | 2012-05-22 21:31:53 |
| R152.htm | 9246 | 2012-05-22 21:31:53 |
| R153.htm | 73610 | 2012-05-22 21:31:53 |
| R154.htm | 212360 | 2012-05-22 21:31:53 |
| R155.htm | 417107 | 2012-05-22 21:31:53 |
| R156.htm | 23679 | 2012-05-22 21:31:53 |
| R157.htm | 12967 | 2012-05-22 21:31:53 |
| R158.htm | 23725 | 2012-05-22 21:31:53 |
| R159.htm | 10318 | 2012-05-22 21:31:53 |
| R16.htm | 31677 | 2012-05-22 21:31:53 |
| R160.htm | 15682 | 2012-05-22 21:31:53 |
| R161.htm | 13213 | 2012-05-22 21:31:53 |
| R162.htm | 21162 | 2012-05-22 21:31:53 |
| R163.htm | 115405 | 2012-05-22 21:31:53 |
| R164.htm | 55567 | 2012-05-22 21:31:53 |
| R165.htm | 73821 | 2012-05-22 21:31:53 |
| R166.htm | 30434 | 2012-05-22 21:31:53 |
| R167.htm | 19558 | 2012-05-22 21:31:53 |
| R168.htm | 24870 | 2012-05-22 21:31:53 |
| R169.htm | 19513 | 2012-05-22 21:31:53 |
| R17.htm | 245814 | 2012-05-22 21:31:53 |
| R170.htm | 34372 | 2012-05-22 21:31:53 |
| R171.htm | 28447 | 2012-05-22 21:31:53 |
| R172.htm | 14881 | 2012-05-22 21:31:53 |
| R173.htm | 13064 | 2012-05-22 21:31:53 |
| R174.htm | 13048 | 2012-05-22 21:31:53 |
| R175.htm | 46463 | 2012-05-22 21:31:53 |
| R176.htm | 34127 | 2012-05-22 21:31:53 |
| R177.htm | 15884 | 2012-05-22 21:31:53 |
| R178.htm | 60535 | 2012-05-22 21:31:53 |
| R179.htm | 12203 | 2012-05-22 21:31:53 |
| R18.htm | 118274 | 2012-05-22 21:31:53 |
| R180.htm | 9311 | 2012-05-22 21:31:53 |
| R181.htm | 24662 | 2012-05-22 21:31:53 |
| R182.htm | 21260 | 2012-05-22 21:31:53 |
| R183.htm | 21176 | 2012-05-22 21:31:53 |
| R184.htm | 20253 | 2012-05-22 21:31:53 |
| R185.htm | 10357 | 2012-05-22 21:31:53 |
| R186.htm | 6426 | 2012-05-22 21:31:53 |
| R187.htm | 92685 | 2012-05-22 21:31:53 |
| R188.htm | 44366 | 2012-05-22 21:31:53 |
| R189.htm | 39750 | 2012-05-22 21:31:53 |
| R19.htm | 94131 | 2012-05-22 21:31:53 |
| R190.htm | 105531 | 2012-05-22 21:31:53 |
| R191.htm | 12461 | 2012-05-22 21:31:53 |
| R192.htm | 59873 | 2012-05-22 21:31:53 |
| R193.htm | 13647 | 2012-05-22 21:31:53 |
| R194.htm | 48754 | 2012-05-22 21:31:53 |
| R195.htm | 24101 | 2012-05-22 21:31:53 |
| R196.htm | 23353 | 2012-05-22 21:31:53 |
| R197.htm | 28572 | 2012-05-22 21:31:53 |
| R198.htm | 196896 | 2012-05-22 21:31:53 |
| R199.htm | 64483 | 2012-05-22 21:31:53 |
| R2.htm | 226107 | 2012-05-22 21:31:53 |
| R20.htm | 97554 | 2012-05-22 21:31:53 |
| R200.htm | 42657 | 2012-05-22 21:31:53 |
| R201.htm | 49644 | 2012-05-22 21:31:53 |
| R202.htm | 70302 | 2012-05-22 21:31:53 |
| R203.htm | 52004 | 2012-05-22 21:31:53 |
| R204.htm | 38660 | 2012-05-22 21:31:53 |
| R205.htm | 74389 | 2012-05-22 21:31:53 |
| R206.htm | 17255 | 2012-05-22 21:31:53 |
| R207.htm | 30352 | 2012-05-22 21:31:53 |
| R208.htm | 10952 | 2012-05-22 21:31:53 |
| R209.htm | 55097 | 2012-05-22 21:31:53 |
| R21.htm | 15070 | 2012-05-22 21:31:53 |
| R210.htm | 23488 | 2012-05-22 21:31:53 |
| R211.htm | 23960 | 2012-05-22 21:31:53 |
| R212.htm | 50319 | 2012-05-22 21:31:53 |
| R213.htm | 78383 | 2012-05-22 21:31:53 |
| R214.htm | 158642 | 2012-05-22 21:31:53 |
| R215.htm | 16805 | 2012-05-22 21:31:53 |
| R216.htm | 15065 | 2012-05-22 21:31:53 |
| R217.htm | 43394 | 2012-05-22 21:31:53 |
| R218.htm | 50438 | 2012-05-22 21:31:53 |
| R219.htm | 26614 | 2012-05-22 21:31:53 |
| R22.htm | 34350 | 2012-05-22 21:31:53 |
| R220.htm | 20180 | 2012-05-22 21:31:53 |
| R221.htm | 17750 | 2012-05-22 21:31:53 |
| R222.htm | 24955 | 2012-05-22 21:31:53 |
| R223.htm | 15323 | 2012-05-22 21:31:53 |
| R224.htm | 19149 | 2012-05-22 21:31:53 |
| R225.htm | 294918 | 2012-05-22 21:31:53 |
| R226.htm | 157111 | 2012-05-22 21:31:53 |
| R227.htm | 122093 | 2012-05-22 21:31:53 |
| R228.htm | 23006 | 2012-05-22 21:31:53 |
| R229.htm | 86461 | 2012-05-22 21:31:53 |
| R23.htm | 13858 | 2012-05-22 21:31:53 |
| R230.htm | 28744 | 2012-05-22 21:31:53 |
| R231.htm | 18073 | 2012-05-22 21:31:53 |
| R232.htm | 19118 | 2012-05-22 21:31:53 |
| R233.htm | 12512 | 2012-05-22 21:31:53 |
| R234.htm | 80356 | 2012-05-22 21:31:53 |
| R235.htm | 35507 | 2012-05-22 21:31:53 |
| R236.htm | 13421 | 2012-05-22 21:31:53 |
| R237.htm | 41390 | 2012-05-22 21:31:53 |
| R238.htm | 41380 | 2012-05-22 21:31:53 |
| R239.htm | 24506 | 2012-05-22 21:31:53 |
| R24.htm | 105775 | 2012-05-22 21:31:53 |
| R240.htm | 76978 | 2012-05-22 21:31:53 |
| R241.htm | 44293 | 2012-05-22 21:31:53 |
| R242.htm | 34645 | 2012-05-22 21:31:53 |
| R243.htm | 35959 | 2012-05-22 21:31:53 |
| R244.htm | 44503 | 2012-05-22 21:31:53 |
| R245.htm | 48121 | 2012-05-22 21:31:53 |
| R246.htm | 20839 | 2012-05-22 21:31:53 |
| R247.htm | 42499 | 2012-05-22 21:31:53 |
| R248.htm | 30797 | 2012-05-22 21:31:53 |
| R249.htm | 15982 | 2012-05-22 21:31:53 |
| R25.htm | 95764 | 2012-05-22 21:31:53 |
| R250.htm | 132921 | 2012-05-22 21:31:53 |
| R251.htm | 97097 | 2012-05-22 21:31:53 |
| R252.htm | 261329 | 2012-05-22 21:31:53 |
| R253.htm | 28339 | 2012-05-22 21:31:53 |
| R254.htm | 11020 | 2012-05-22 21:31:53 |
| R255.htm | 36294 | 2012-05-22 21:31:53 |
| R256.htm | 48279 | 2012-05-22 21:31:53 |
| R257.htm | 22137 | 2012-05-22 21:31:53 |
| R258.htm | 16850 | 2012-05-22 21:31:53 |
| R259.htm | 161108 | 2012-05-22 21:31:53 |
| R26.htm | 942140 | 2012-05-22 21:31:53 |
| R260.htm | 82877 | 2012-05-22 21:31:53 |
| R261.htm | 189284 | 2012-05-22 21:31:53 |
| R262.htm | 88620 | 2012-05-22 21:31:53 |
| R263.htm | 258574 | 2012-05-22 21:31:53 |
| R264.htm | 21329 | 2012-05-22 21:31:53 |
| R265.htm | 37744 | 2012-05-22 21:31:53 |
| R266.htm | 20147 | 2012-05-22 21:31:53 |
| R267.htm | 86064 | 2012-05-22 21:31:53 |
| R268.htm | 44729 | 2012-05-22 21:31:53 |
| R269.htm | 45999 | 2012-05-22 21:31:53 |
| R27.htm | 267638 | 2012-05-22 21:31:53 |
| R270.htm | 29970 | 2012-05-22 21:31:53 |
| R28.htm | 58834 | 2012-05-22 21:31:53 |
| R29.htm | 56281 | 2012-05-22 21:31:53 |
| R3.htm | 123860 | 2012-05-22 21:31:53 |
| R30.htm | 75060 | 2012-05-22 21:31:53 |
| R31.htm | 389559 | 2012-05-22 21:31:53 |
| R32.htm | 37010 | 2012-05-22 21:31:53 |
| R33.htm | 27152 | 2012-05-22 21:31:53 |
| R34.htm | 54151 | 2012-05-22 21:31:53 |
| R35.htm | 226820 | 2012-05-22 21:31:53 |
| R36.htm | 143684 | 2012-05-22 21:31:53 |
| R37.htm | 56323 | 2012-05-22 21:31:53 |
| R38.htm | 308201 | 2012-05-22 21:31:53 |
| R39.htm | 131972 | 2012-05-22 21:31:53 |
| R4.htm | 151305 | 2012-05-22 21:31:53 |
| R40.htm | 60921 | 2012-05-22 21:31:53 |
| R41.htm | 1181094 | 2012-05-22 21:31:53 |
| R42.htm | 613590 | 2012-05-22 21:31:53 |
| R43.htm | 1033584 | 2012-05-22 21:31:53 |
| R44.htm | 85681 | 2012-05-22 21:31:53 |
| R45.htm | 30017 | 2012-05-22 21:31:53 |
| R46.htm | 265016 | 2012-05-22 21:31:53 |
| R47.htm | 104698 | 2012-05-22 21:31:53 |
| R48.htm | 95984 | 2012-05-22 21:31:53 |
| R49.htm | 88993 | 2012-05-22 21:31:53 |
| R5.htm | 93800 | 2012-05-22 21:31:53 |
| R50.htm | 31020 | 2012-05-22 21:31:53 |
| R51.htm | 108107 | 2012-05-22 21:31:53 |
| R52.htm | 41808 | 2012-05-22 21:31:53 |
| R53.htm | 933460 | 2012-05-22 21:31:53 |
| R54.htm | 250470 | 2012-05-22 21:31:53 |
| R55.htm | 59442 | 2012-05-22 21:31:53 |
| R56.htm | 53803 | 2012-05-22 21:31:53 |
| R57.htm | 72395 | 2012-05-22 21:31:53 |
| R58.htm | 366922 | 2012-05-22 21:31:53 |
| R59.htm | 34486 | 2012-05-22 21:31:53 |
| R6.htm | 92535 | 2012-05-22 21:31:53 |
| R60.htm | 57198 | 2012-05-22 21:31:53 |
| R61.htm | 120593 | 2012-05-22 21:31:53 |
| R62.htm | 39909 | 2012-05-22 21:31:53 |
| R63.htm | 212012 | 2012-05-22 21:31:53 |
| R64.htm | 36569 | 2012-05-22 21:31:53 |
| R65.htm | 64644 | 2012-05-22 21:31:53 |
| R66.htm | 15938 | 2012-05-22 21:31:53 |
| R67.htm | 9704 | 2012-05-22 21:31:53 |
| R68.htm | 17109 | 2012-05-22 21:31:53 |
| R69.htm | 86429 | 2012-05-22 21:31:53 |
| R7.htm | 5533 | 2012-05-22 21:31:53 |
| R70.htm | 141504 | 2012-05-22 21:31:53 |
| R71.htm | 82055 | 2012-05-22 21:31:53 |
| R72.htm | 22477 | 2012-05-22 21:31:53 |
| R73.htm | 57999 | 2012-05-22 21:31:53 |
| R74.htm | 48037 | 2012-05-22 21:31:53 |
| R75.htm | 19735 | 2012-05-22 21:31:53 |
| R76.htm | 55365 | 2012-05-22 21:31:53 |
| R77.htm | 70428 | 2012-05-22 21:31:53 |
| R78.htm | 73370 | 2012-05-22 21:31:53 |
| R79.htm | 27854 | 2012-05-22 21:31:53 |
| R8.htm | 300141 | 2012-05-22 21:31:53 |
| R80.htm | 13537 | 2012-05-22 21:31:53 |
| R81.htm | 42411 | 2012-05-22 21:31:53 |
| R82.htm | 70349 | 2012-05-22 21:31:53 |
| R83.htm | 41256 | 2012-05-22 21:31:53 |
| R84.htm | 22124 | 2012-05-22 21:31:53 |
| R85.htm | 14496 | 2012-05-22 21:31:53 |
| R86.htm | 31278 | 2012-05-22 21:31:53 |
| R87.htm | 63284 | 2012-05-22 21:31:53 |
| R88.htm | 19244 | 2012-05-22 21:31:53 |
| R89.htm | 14514 | 2012-05-22 21:31:53 |
| R9.htm | 14150 | 2012-05-22 21:31:53 |
| R90.htm | 27291 | 2012-05-22 21:31:53 |
| R91.htm | 88336 | 2012-05-22 21:31:53 |
| R92.htm | 36421 | 2012-05-22 21:31:53 |
| R93.htm | 26925 | 2012-05-22 21:31:53 |
| R94.htm | 40275 | 2012-05-22 21:31:53 |
| R95.htm | 27246 | 2012-05-22 21:31:53 |
| R96.htm | 16872 | 2012-05-22 21:31:53 |
| R97.htm | 39045 | 2012-05-22 21:31:53 |
| R98.htm | 18360 | 2012-05-22 21:31:53 |
| R99.htm | 16661 | 2012-05-22 21:31:53 |
| report.css | 2721 | 2012-05-22 21:31:53 |
| Show.js | 6424 | 2012-05-22 21:31:53 |