The amount of non cash adjustments in restructuring charges.

No definition available.

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- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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+ Details

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Balance Type:	debit
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

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- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

+ Details

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- Details

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- Details

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- Details

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Period Type:

- Details

Name:	us-gaap_RestructuringCostAndReserveAxis=kd_WorkforceRebalancingLiabilitiesInheritedFromFormerParentMember
Namespace Prefix:
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Balance Type:
Period Type:

WORKFORCE REBALANCING AND SITE-RATIONALIZATION CHARGES - Rollforward (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended		15 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Mar. 31, 2026	Mar. 31, 2025	Jun. 30, 2025
RESTRUCTURING
Charges	$ 25	$ 45
Fiscal 2025 Program
RESTRUCTURING
Charges				$ 162	$ 162
Fiscal 2026 Program
RESTRUCTURING
Charges	25
Workforce Rebalancing Charges \| Fiscal 2025 Program
RESTRUCTURING
Balance at beginning of period	16		$ 16
Charges				114
Cash payments	(10)
Non-cash adjustments	1
Balance at end of period	7			16	7
Workforce Rebalancing Charges \| Fiscal 2026 Program
RESTRUCTURING
Charges	25		80
Cash payments	(11)
Balance at end of period	15				15
Workforce Rebalancing Liabilities Inherited from Former Parent \| Fiscal 2025 Program
RESTRUCTURING
Balance at beginning of period	16		$ 16
Balance at end of period				$ 16
Workforce Rebalancing Liabilities Inherited from Former Parent \| Fiscal 2026 Program
RESTRUCTURING
Cash payments	(2)
Non-cash adjustments	1
Balance at end of period	$ 15				$ 15