| 8-K | mmc-20260602.htm | 1 B |
| Complete text | 0000062709-26-000167.txt | 52.3 MB |
| EX-10.1 | exhibit101marsh-2026amen.htm | 2 B |
| EX-101.SCH | mmc-20260602.xsd | 3 B |
| EX-101.DEF | mmc-20260602_def.xml | 4 B |
| EX-101.LAB | mmc-20260602_lab.xml | 5 B |
| EX-101.PRE | mmc-20260602_pre.xml | 6 B |
| GRAPHIC | exhibit101marsh-2026amen001.jpg | 7 B |
| GRAPHIC | exhibit101marsh-2026amen002.jpg | 8 B |
| GRAPHIC | exhibit101marsh-2026amen003.jpg | 9 B |
| GRAPHIC | exhibit101marsh-2026amen004.jpg | 10 B |
| GRAPHIC | exhibit101marsh-2026amen005.jpg | 11 B |
| GRAPHIC | exhibit101marsh-2026amen006.jpg | 12 B |
| GRAPHIC | exhibit101marsh-2026amen007.jpg | 13 B |
| GRAPHIC | exhibit101marsh-2026amen008.jpg | 14 B |
| GRAPHIC | exhibit101marsh-2026amen009.jpg | 15 B |
| GRAPHIC | exhibit101marsh-2026amen010.jpg | 16 B |
| GRAPHIC | exhibit101marsh-2026amen011.jpg | 17 B |
| GRAPHIC | exhibit101marsh-2026amen012.jpg | 18 B |
| GRAPHIC | exhibit101marsh-2026amen013.jpg | 19 B |
| GRAPHIC | exhibit101marsh-2026amen014.jpg | 20 B |
| GRAPHIC | exhibit101marsh-2026amen015.jpg | 21 B |
| GRAPHIC | exhibit101marsh-2026amen016.jpg | 22 B |
| GRAPHIC | exhibit101marsh-2026amen017.jpg | 23 B |
| GRAPHIC | exhibit101marsh-2026amen018.jpg | 24 B |
| GRAPHIC | exhibit101marsh-2026amen019.jpg | 25 B |
| GRAPHIC | exhibit101marsh-2026amen020.jpg | 26 B |
| GRAPHIC | exhibit101marsh-2026amen021.jpg | 27 B |
| GRAPHIC | exhibit101marsh-2026amen022.jpg | 28 B |
| GRAPHIC | exhibit101marsh-2026amen023.jpg | 29 B |
| GRAPHIC | exhibit101marsh-2026amen024.jpg | 30 B |
| GRAPHIC | exhibit101marsh-2026amen025.jpg | 31 B |
| GRAPHIC | exhibit101marsh-2026amen026.jpg | 32 B |
| GRAPHIC | exhibit101marsh-2026amen027.jpg | 33 B |
| GRAPHIC | exhibit101marsh-2026amen028.jpg | 34 B |
| GRAPHIC | exhibit101marsh-2026amen029.jpg | 35 B |
| GRAPHIC | exhibit101marsh-2026amen030.jpg | 36 B |
| GRAPHIC | exhibit101marsh-2026amen031.jpg | 37 B |
| GRAPHIC | exhibit101marsh-2026amen032.jpg | 38 B |
| GRAPHIC | exhibit101marsh-2026amen033.jpg | 39 B |
| GRAPHIC | exhibit101marsh-2026amen034.jpg | 40 B |
| GRAPHIC | exhibit101marsh-2026amen035.jpg | 41 B |
| GRAPHIC | exhibit101marsh-2026amen036.jpg | 42 B |
| GRAPHIC | exhibit101marsh-2026amen037.jpg | 43 B |
| GRAPHIC | exhibit101marsh-2026amen038.jpg | 44 B |
| GRAPHIC | exhibit101marsh-2026amen039.jpg | 45 B |
| GRAPHIC | exhibit101marsh-2026amen040.jpg | 46 B |
| GRAPHIC | exhibit101marsh-2026amen041.jpg | 47 B |
| GRAPHIC | exhibit101marsh-2026amen042.jpg | 48 B |
| GRAPHIC | exhibit101marsh-2026amen043.jpg | 49 B |
| GRAPHIC | exhibit101marsh-2026amen044.jpg | 50 B |
| GRAPHIC | exhibit101marsh-2026amen045.jpg | 51 B |
| GRAPHIC | exhibit101marsh-2026amen046.jpg | 52 B |
| GRAPHIC | exhibit101marsh-2026amen047.jpg | 53 B |
| GRAPHIC | exhibit101marsh-2026amen048.jpg | 54 B |
| GRAPHIC | exhibit101marsh-2026amen049.jpg | 55 B |
| GRAPHIC | exhibit101marsh-2026amen050.jpg | 56 B |
| GRAPHIC | exhibit101marsh-2026amen051.jpg | 57 B |
| GRAPHIC | exhibit101marsh-2026amen052.jpg | 58 B |
| GRAPHIC | exhibit101marsh-2026amen053.jpg | 59 B |
| GRAPHIC | exhibit101marsh-2026amen054.jpg | 60 B |
| GRAPHIC | exhibit101marsh-2026amen055.jpg | 61 B |
| GRAPHIC | exhibit101marsh-2026amen056.jpg | 62 B |
| GRAPHIC | exhibit101marsh-2026amen057.jpg | 63 B |
| GRAPHIC | exhibit101marsh-2026amen058.jpg | 64 B |
| GRAPHIC | exhibit101marsh-2026amen059.jpg | 65 B |
| GRAPHIC | exhibit101marsh-2026amen060.jpg | 66 B |
| GRAPHIC | exhibit101marsh-2026amen061.jpg | 67 B |
| GRAPHIC | exhibit101marsh-2026amen062.jpg | 68 B |
| GRAPHIC | exhibit101marsh-2026amen063.jpg | 69 B |
| GRAPHIC | exhibit101marsh-2026amen064.jpg | 70 B |
| GRAPHIC | exhibit101marsh-2026amen065.jpg | 71 B |
| GRAPHIC | exhibit101marsh-2026amen066.jpg | 72 B |
| GRAPHIC | exhibit101marsh-2026amen067.jpg | 73 B |
| GRAPHIC | exhibit101marsh-2026amen068.jpg | 74 B |
| GRAPHIC | exhibit101marsh-2026amen069.jpg | 75 B |
| GRAPHIC | exhibit101marsh-2026amen070.jpg | 76 B |
| GRAPHIC | exhibit101marsh-2026amen071.jpg | 77 B |
| GRAPHIC | exhibit101marsh-2026amen072.jpg | 78 B |
| GRAPHIC | exhibit101marsh-2026amen073.jpg | 79 B |
| GRAPHIC | exhibit101marsh-2026amen074.jpg | 80 B |
| GRAPHIC | exhibit101marsh-2026amen075.jpg | 81 B |
| GRAPHIC | exhibit101marsh-2026amen076.jpg | 82 B |
| GRAPHIC | exhibit101marsh-2026amen077.jpg | 83 B |
| GRAPHIC | exhibit101marsh-2026amen078.jpg | 84 B |
| GRAPHIC | exhibit101marsh-2026amen079.jpg | 85 B |
| GRAPHIC | exhibit101marsh-2026amen080.jpg | 86 B |
| GRAPHIC | exhibit101marsh-2026amen081.jpg | 87 B |
| GRAPHIC | exhibit101marsh-2026amen082.jpg | 88 B |
| GRAPHIC | exhibit101marsh-2026amen083.jpg | 89 B |
| GRAPHIC | exhibit101marsh-2026amen084.jpg | 90 B |
| GRAPHIC | exhibit101marsh-2026amen085.jpg | 91 B |
| GRAPHIC | exhibit101marsh-2026amen086.jpg | 92 B |
| GRAPHIC | exhibit101marsh-2026amen087.jpg | 93 B |
| GRAPHIC | exhibit101marsh-2026amen088.jpg | 94 B |
| GRAPHIC | exhibit101marsh-2026amen089.jpg | 95 B |
| GRAPHIC | exhibit101marsh-2026amen090.jpg | 96 B |
| GRAPHIC | exhibit101marsh-2026amen091.jpg | 97 B |
| GRAPHIC | exhibit101marsh-2026amen092.jpg | 98 B |
| GRAPHIC | exhibit101marsh-2026amen093.jpg | 99 B |
| GRAPHIC | exhibit101marsh-2026amen094.jpg | 100 B |
| GRAPHIC | exhibit101marsh-2026amen095.jpg | 101 B |
| GRAPHIC | exhibit101marsh-2026amen096.jpg | 102 B |
| GRAPHIC | exhibit101marsh-2026amen097.jpg | 103 B |
| GRAPHIC | exhibit101marsh-2026amen098.jpg | 104 B |
| GRAPHIC | exhibit101marsh-2026amen099.jpg | 105 B |
| GRAPHIC | exhibit101marsh-2026amen100.jpg | 106 B |
| GRAPHIC | exhibit101marsh-2026amen101.jpg | 107 B |
| GRAPHIC | exhibit101marsh-2026amen102.jpg | 108 B |
| GRAPHIC | exhibit101marsh-2026amen103.jpg | 109 B |
| GRAPHIC | exhibit101marsh-2026amen104.jpg | 110 B |
| GRAPHIC | exhibit101marsh-2026amen105.jpg | 111 B |
| GRAPHIC | exhibit101marsh-2026amen106.jpg | 112 B |
| GRAPHIC | exhibit101marsh-2026amen107.jpg | 113 B |
| GRAPHIC | exhibit101marsh-2026amen108.jpg | 114 B |
| GRAPHIC | exhibit101marsh-2026amen109.jpg | 115 B |
| GRAPHIC | exhibit101marsh-2026amen110.jpg | 116 B |
| GRAPHIC | exhibit101marsh-2026amen111.jpg | 117 B |
| GRAPHIC | exhibit101marsh-2026amen112.jpg | 118 B |
| GRAPHIC | exhibit101marsh-2026amen113.jpg | 119 B |
| GRAPHIC | exhibit101marsh-2026amen114.jpg | 120 B |
| GRAPHIC | exhibit101marsh-2026amen115.jpg | 121 B |
| GRAPHIC | exhibit101marsh-2026amen116.jpg | 122 B |
| GRAPHIC | exhibit101marsh-2026amen117.jpg | 123 B |
| GRAPHIC | exhibit101marsh-2026amen118.jpg | 124 B |
| GRAPHIC | exhibit101marsh-2026amen119.jpg | 125 B |
| GRAPHIC | exhibit101marsh-2026amen120.jpg | 126 B |
| GRAPHIC | exhibit101marsh-2026amen121.jpg | 127 B |
| GRAPHIC | exhibit101marsh-2026amen122.jpg | 128 B |
| GRAPHIC | exhibit101marsh-2026amen123.jpg | 129 B |
| GRAPHIC | exhibit101marsh-2026amen124.jpg | 130 B |
| GRAPHIC | exhibit101marsh-2026amen125.jpg | 131 B |
| GRAPHIC | exhibit101marsh-2026amen126.jpg | 132 B |
| GRAPHIC | exhibit101marsh-2026amen127.jpg | 133 B |
| GRAPHIC | exhibit101marsh-2026amen128.jpg | 134 B |
| GRAPHIC | exhibit101marsh-2026amen129.jpg | 135 B |
| GRAPHIC | exhibit101marsh-2026amen130.jpg | 136 B |
| GRAPHIC | exhibit101marsh-2026amen131.jpg | 137 B |
| GRAPHIC | exhibit101marsh-2026amen132.jpg | 138 B |
| GRAPHIC | exhibit101marsh-2026amen133.jpg | 139 B |
| GRAPHIC | exhibit101marsh-2026amen134.jpg | 140 B |
| GRAPHIC | exhibit101marsh-2026amen135.jpg | 141 B |
| GRAPHIC | exhibit101marsh-2026amen136.jpg | 142 B |
| GRAPHIC | exhibit101marsh-2026amen137.jpg | 143 B |
| GRAPHIC | exhibit101marsh-2026amen138.jpg | 144 B |
| GRAPHIC | exhibit101marsh-2026amen139.jpg | 145 B |
| GRAPHIC | exhibit101marsh-2026amen140.jpg | 146 B |
| GRAPHIC | exhibit101marsh-2026amen141.jpg | 147 B |
| GRAPHIC | exhibit101marsh-2026amen142.jpg | 148 B |
| GRAPHIC | exhibit101marsh-2026amen143.jpg | 149 B |
| GRAPHIC | exhibit101marsh-2026amen144.jpg | 150 B |
| GRAPHIC | exhibit101marsh-2026amen145.jpg | 151 B |
| GRAPHIC | exhibit101marsh-2026amen146.jpg | 152 B |
| GRAPHIC | exhibit101marsh-2026amen147.jpg | 153 B |
| GRAPHIC | exhibit101marsh-2026amen148.jpg | 154 B |
| GRAPHIC | exhibit101marsh-2026amen149.jpg | 155 B |
| GRAPHIC | exhibit101marsh-2026amen150.jpg | 156 B |
| GRAPHIC | exhibit101marsh-2026amen151.jpg | 157 B |
| GRAPHIC | exhibit101marsh-2026amen152.jpg | 158 B |
| GRAPHIC | exhibit101marsh-2026amen153.jpg | 159 B |
| GRAPHIC | exhibit101marsh-2026amen154.jpg | 160 B |
| GRAPHIC | exhibit101marsh-2026amen155.jpg | 161 B |
| GRAPHIC | exhibit101marsh-2026amen156.jpg | 162 B |
| GRAPHIC | exhibit101marsh-2026amen157.jpg | 163 B |
| GRAPHIC | exhibit101marsh-2026amen158.jpg | 164 B |
| GRAPHIC | exhibit101marsh-2026amen159.jpg | 165 B |
| GRAPHIC | exhibit101marsh-2026amen160.jpg | 166 B |
| GRAPHIC | exhibit101marsh-2026amen161.jpg | 167 B |
| GRAPHIC | exhibit101marsh-2026amen162.jpg | 168 B |
| GRAPHIC | exhibit101marsh-2026amen163.jpg | 169 B |
| GRAPHIC | exhibit101marsh-2026amen164.jpg | 170 B |
| GRAPHIC | exhibit101marsh-2026amen165.jpg | 171 B |
| GRAPHIC | exhibit101marsh-2026amen166.jpg | 172 B |
| GRAPHIC | exhibit101marsh-2026amen167.jpg | 173 B |
| GRAPHIC | exhibit101marsh-2026amen168.jpg | 174 B |
| GRAPHIC | exhibit101marsh-2026amen169.jpg | 175 B |
| GRAPHIC | exhibit101marsh-2026amen170.jpg | 176 B |
| GRAPHIC | exhibit101marsh-2026amen171.jpg | 177 B |
| GRAPHIC | exhibit101marsh-2026amen172.jpg | 178 B |
| GRAPHIC | exhibit101marsh-2026amen173.jpg | 179 B |
| GRAPHIC | exhibit101marsh-2026amen174.jpg | 180 B |
| GRAPHIC | exhibit101marsh-2026amen175.jpg | 181 B |
| GRAPHIC | exhibit101marsh-2026amen176.jpg | 182 B |
| GRAPHIC | exhibit101marsh-2026amen177.jpg | 183 B |
| GRAPHIC | exhibit101marsh-2026amen178.jpg | 184 B |
| GRAPHIC | exhibit101marsh-2026amen179.jpg | 185 B |
| GRAPHIC | exhibit101marsh-2026amen180.jpg | 186 B |
| GRAPHIC | exhibit101marsh-2026amen181.jpg | 187 B |
| GRAPHIC | exhibit101marsh-2026amen182.jpg | 188 B |
| GRAPHIC | exhibit101marsh-2026amen183.jpg | 189 B |
| GRAPHIC | exhibit101marsh-2026amen184.jpg | 190 B |
| GRAPHIC | exhibit101marsh-2026amen185.jpg | 191 B |
| GRAPHIC | exhibit101marsh-2026amen186.jpg | 192 B |
| GRAPHIC | exhibit101marsh-2026amen187.jpg | 193 B |
| XML | mmc-20260602_htm.xml | 205 B |
| Graphic | mmc-20260602_g1.jpg | 194 B |
