\documentclass{article}\usepackage{tikz}\usetikzlibrary{trees}\begin{document}\begin{tikzpicture}[edge from parent fork right,grow=right,level distance=3cm,level 1/.style={sibling distance=4cm},level 2/.style={sibling distance=1cm}]\node[text width=1cm] {Idea General}child {node {Some idea}}child {node {Some idea}child {node {Details}}child {node {Details}}child {node {Details}}};\end{tikzpicture}\end{document}

 

\documentclass{article}\usepackage{schemata}\begin{document}\schema {    \schemabox{level One} } {    \schema    {        \schemabox{Level Two}    }        {        \schemabox{two 1\\two 2\\two 3}    }        \schema    {        \schemabox{level Two}    }    {        \schemabox{two 4\\two 5}    } }\end{document}