# lineItem/UsageAccountId #level100 #cur #finops #curfield #curtoanonymise ## Source - Category: [[Line item details]] - [AWS documentation](https://docs.aws.amazon.com/cur/latest/userguide/Lineitem-columns.html#l-U) ## Relevant notes ## Notes - The account number that this line refers to - It is a series of numbers that identify a single account - This is a very important fields as the account level can be considered the boundaries of cost. - Outside of an organisation the account defines the boundaries of cost - When the account belong to an organisation (i.e. is a linked account) then aggregate savings from the [[300 - portfolio savings]] are assigned randomly making the account less accurate.