diff --git a/conversion_rules_export/csv/gcp.csv b/conversion_rules_export/csv/gcp.csv
index 2145cd20..532c8567 100644
--- a/conversion_rules_export/csv/gcp.csv
+++ b/conversion_rules_export/csv/gcp.csv
@@ -22,7 +22,7 @@ SubAccountName,0,Not Defined,Not Defined,Not Defined,Not Defined
 AvailabilityZone,1,location.zone,Not Defined,UNNEST_COLUMN,
 BilledCost,1,credits.amount,Not Defined,UNNEST_COLUMN,"{'children_type': 'list', 'aggregation_operation': 'sum'}"
 BilledCost,2,tmp_credits_amount_BilledCost,Not Defined,SQL_QUERY,"SELECT *, (cost + tmp_credits_amount_BilledCost) AS BilledCost from {{ TABLE_NAME }}"
-BillingAccountId,1,billing_account_id,Not Defined,RENAME_COLUMN,
+BillingAccountId,1,billing_account_id,string,RENAME_COLUMN,
 BillingCurrency,1,currency,Not Defined,RENAME_COLUMN,
 BillingPeriodEnd,1,invoice.month,Not Defined,UNNEST_COLUMN,
 BillingPeriodEnd,2,BillingPeriodEnd,Not Defined,PARSE_DATETIME,%Y%m
diff --git a/conversion_rules_export/markdown/gcp.md b/conversion_rules_export/markdown/gcp.md
index 68cdb8c1..04390f26 100644
--- a/conversion_rules_export/markdown/gcp.md
+++ b/conversion_rules_export/markdown/gcp.md
@@ -23,7 +23,7 @@
 | AvailabilityZone           |                1 | location.zone                   | Not Defined          | UNNEST_COLUMN       |                                                                                       |
 | BilledCost                 |                1 | credits.amount                  | Not Defined          | UNNEST_COLUMN       | {'children_type': 'list', 'aggregation_operation': 'sum'}                             |
 | BilledCost                 |                2 | tmp_credits_amount_BilledCost   | Not Defined          | SQL_QUERY           | SELECT *, (cost + tmp_credits_amount_BilledCost) AS BilledCost from {{ TABLE_NAME }}  |
-| BillingAccountId           |                1 | billing_account_id              | Not Defined          | RENAME_COLUMN       |                                                                                       |
+| BillingAccountId           |                1 | billing_account_id              | string               | RENAME_COLUMN       |                                                                                       |
 | BillingCurrency            |                1 | currency                        | Not Defined          | RENAME_COLUMN       |                                                                                       |
 | BillingPeriodEnd           |                1 | invoice.month                   | Not Defined          | UNNEST_COLUMN       |                                                                                       |
 | BillingPeriodEnd           |                2 | BillingPeriodEnd                | Not Defined          | PARSE_DATETIME      | %Y%m                                                                                  |