v3.26.3
Segmental analysis - Narrative (Details)
Sep. 30, 2026
segment
Disclosure of operating segments [abstract]
Number of reportable operating segments
5
X
- References
No definition available.
+ Details
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- Definition
Number Of Reportable Operating Segments
+ References
No definition available.
+ Details
Name:
nggtf_NumberOfReportableOperatingSegments
Namespace Prefix:
nggtf_
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xbrli:integerItemType
Balance Type:
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