XML 126 R109.htm IDEA: XBRL DOCUMENT v3.25.4

Leases (Narrative) (Details) $ in Millions	12 Months Ended
	Jan. 02, 2026 USD ($) renewal	Jan. 03, 2025 USD ($)	Dec. 29, 2023 USD ($)
Operating Leased Assets [Line Items]
Lease obligations (as a percentage)	95.00%
Term of contract	12 months
Renewal term increments	1 year
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other Liabilities, Current
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other liabilities
Operating lease ROU asset amortization	$ 52	$ 48	$ 46
Other noncash operating lease costs	18	$ 15	$ 16
Short-term lease commitments	$ 223
Minimum
Operating Leased Assets [Line Items]
Number of renewal options | renewal	1

X

- Definition

Lessee, Operating Lease, Number Of Renewal Options

+ References

No definition available.

+ Details

Name:	kbr_LesseeOperatingLeaseNumberOfRenewalOptions
Namespace Prefix:	kbr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Lessee, Operating Lease, Percentage Of Lease Obligations Related To Real Estate

+ References

No definition available.

+ Details

Name:	kbr_LesseeOperatingLeasePercentageOfLeaseObligationsRelatedToRealEstate
Namespace Prefix:	kbr_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Lessee, Operating Lease, Renewal Term Increments

+ References

No definition available.

+ Details

Name:	kbr_LesseeOperatingLeaseRenewalTermIncrements
Namespace Prefix:	kbr_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Other Noncash Operating Lease Cost Related To Accretion Of Operating Lease Liabilities And Straight-Line Lease Accounting

+ References

No definition available.

+ Details

Name:	kbr_OtherNoncashOperatingLeaseCostRelatedToAccretionOfOperatingLeaseLiabilitiesAndStraightLineLeaseAccounting
Namespace Prefix:	kbr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Total Short-term Lease Commitments

+ References

No definition available.

+ Details

Name:	kbr_TotalShorttermLeaseCommitments
Namespace Prefix:	kbr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Indicates line item in statement of financial position that includes current finance lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-2

+ Details

Name:	us-gaap_FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList
Namespace Prefix:	us-gaap_
Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Indicates line item in statement of financial position that includes noncurrent finance lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-2

+ Details

Name:	us-gaap_FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList
Namespace Prefix:	us-gaap_
Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

+ Details

Name:	us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of periodic reduction over lease term of carrying amount of right-of-use asset from operating lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

+ Details

Name:	us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- 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

No definition available.

+ Details

Name:	us-gaap_OperatingLeasedAssetsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: