This report provides a comprehensive analysis of fair value accounting, a crucial valuation technique in financial reporting. It explores the concept of fair value, its advantages (accurate asset valuation, true income measurement, and relevance in dynamic economies) and disadvantages (ineffectiveness in volatile markets, potential for investor dissatisfaction, and loss of historical data). The report then examines the three-tier process for fair value estimation, emphasizing market-based measures (Level 1, 2, and 3 inputs). Furthermore, it discusses how fair value accounting aligns with the qualitative characteristics of financial statements (relevance, representational faithfulness) and its application to various elements like assets, liabilities, and financial instruments. The report concludes by highlighting the increasing importance of fair value in the ever-changing financial landscape, supported by relevant literature.