This video from AWS re:Invent 2023 explores best practices and strategies for improving AWS cost reporting. The presenters discuss several new features and updates to AWS billing and cost management tools, including a unified console home, extended historical data retention in Cost Explorer, new data export capabilities, and a cost and usage dashboard powered by Amazon QuickSight. They emphasize the importance of cost visibility, allocation, and accountability in cloud financial management. The session covers how to leverage these new tools to gain deeper insights into cloud spend, improve cost reporting for stakeholders, and align costs with business outcomes. Key topics include using the new unified AWS Billing and Cost Management console, accessing more granular and historical cost data, customizing data exports, and visualizing costs through interactive dashboards.