Which AWS service or feature enables users to get one bill and easily track charges for multiple AWS accounts?

Explanations:

AWS Organizations enables consolidated billing, allowing users to get one bill and track charges across multiple AWS accounts.

Cost Explorer is a tool for analyzing cost and usage patterns but does not consolidate billing across accounts.

AWS Trusted Advisor provides best practice recommendations for optimizing resources, security, and performance, not billing consolidation.

AWS Management Console is an interface for accessing and managing AWS services but does not handle billing for multiple accounts.