Fees Summary	Jul. 31, 2026 USD ($)
Fees Summary [Line Items]
Total Offering	$ 4,700,000
Previously Paid Amount	0.00
Total Fee Amount	649.07
Total Offset Amount	0.00
Net Fee	649.07
Narrative - Max Aggregate Offering Price	$ 4,700,000
Final Prospectus	true

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Securities Act
-Number 230

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Securities Act
-Number 230

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Securities Act
-Number 230

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Securities Act
-Number 230

Name:	ffd_NrrtvMaxAggtOfferingPric
Namespace Prefix:	ffd_
Data Type:	ffd:nonNegative100TMonetary2ItemType
Balance Type:	na
Period Type:	duration

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Securities Act
-Number 230

Name:	ffd_TtlFeeAmt
Namespace Prefix:	ffd_
Data Type:	ffd:nonNegative1TMonetary2ItemType
Balance Type:	na
Period Type:	duration

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Securities Act
-Number 230

Name:	ffd_TtlOfferingAmt
Namespace Prefix:	ffd_
Data Type:	ffd:nonNegative1TMonetary2ItemType
Balance Type:	na
Period Type:	duration

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Securities Act
-Number 230

Name:	ffd_TtlOffsetAmt
Namespace Prefix:	ffd_
Data Type:	ffd:nonNegative1TMonetary2ItemType
Balance Type:	na
Period Type:	duration

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Securities Act
-Number 230

Name:	ffd_TtlPrevslyPdAmt
Namespace Prefix:	ffd_
Data Type:	ffd:nonNegative1TMonetary2ItemType
Balance Type:	na
Period Type:	duration