This document outlines the IL6S (Integrated Lean 6 Sigma) journey of a factory to become lean. It describes the 10 phases of the IL6S strategy including launching the program, selecting a model line to learn and implement techniques, focusing on daily work and continuous improvement, getting expert assessments, expanding techniques to all lines, developing self-sufficient teams, conducting internal and external benchmarking, and evolving the company culture. The overall goal is to transform the factory operations and culture to achieve high performance as measured by key metrics like defects, efficiency, and costs.