# reservation/AmortizedUpfrontCostForUsage #level100 #cur #finops #curfield ## Source - Category: [[Reservation details]] - [AWS documentation](https://docs.aws.amazon.com/cur/latest/userguide/reservation-columns.html#r-A) - [[lineItem_LineItemType]]: DiscountedUsage ## Relevant notes - This line only applies to [[Reserved Instances]] - As this is for a specifc usage, the column is filled when [[lineItem_LineItemType]] is DiscountedUsage - The equivalent for [[billing period]] is [[reservation_AmortizedUpfrontFeeForBillingPeriod]] ## Notes - The initial upfront payment for all upfront RIs and partial upfront RIs amortized for [[lineItem_UsageAmount]]. - For no-upfront RI as there is upfront cost to amortise, so the value in this column is zero even for DiscountedUsage lines - When fully consumed, the sum of this field should be equal to [[reservation_AmortizedUpfrontFeeForBillingPeriod]] - [[to check]]