XML 64 R52.htm IDEA: XBRL DOCUMENT v3.21.2

Contingencies (Details)	Sep. 30, 2021 employee
Contingencies
Number of employees	90,000

X

- Definition

Number of persons employed by the Entity

+ References

No definition available.

+ Details

Name:	dei_EntityNumberOfEmployees
Namespace Prefix:	dei_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	kd_ContingenciesDisclosureAbstract
Namespace Prefix:	kd_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration