XML 142 R125.htm IDEA: XBRL DOCUMENT
v3.25.4

Fair Value of Financial Instruments and Risk Management (Schedule of Interest Rate Swaps) (Details) | Jan. 02, 2026 USD ($) | Jan. 02, 2026 GBP (£)
--- | --- | ---
March 2020 Interest Rate Swaps |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, notional amount | $ 400,000,000 |
Fixed interest rate (as of percentage) | 0.89% | 0.89%
September 2022 Interest Rate Swaps |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, notional amount | $ 350,000,000 |
Fixed interest rate (as of percentage) | 3.43% | 3.43%
March 2023 Interest Rate Swaps |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, notional amount | $ 205,000,000 |
Fixed interest rate (as of percentage) | 3.61% | 3.61%
March 2023 Amortizing Interest Rate Swaps |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, notional amount | £ |  | £ 104,000,000
Fixed interest rate (as of percentage) | 3.81% | 3.81%
September 2024 Interest Rate Swaps |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, notional amount | $ 200,000,000 |
Fixed interest rate (as of percentage) | 3.27% | 3.27%
April 2025 Interest Rate Swaps |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, notional amount | $ 270,000,000 |
Fixed interest rate (as of percentage) | 3.39% | 3.39%
April 2025 Forward Interest Rate Swaps |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, notional amount | $ 150,000,000 |
Fixed interest rate (as of percentage) | 3.38% | 3.38%

X
- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + Details
Name: | us-gaap_DerivativeFixedInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4EE -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4EE Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4EE -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4EE Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 181 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480401/815-10-55-181 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4EEE -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4EEE Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4EEE -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4EEE Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4EEE -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4EEE Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4EE -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4EE + Details
Name: | us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 181 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480401/815-10-55-181 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A + Details
Name: | us-gaap_DerivativeNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=kbr_March2020InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=kbr_September2022InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=kbr_March2023InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=kbr_March2023AmortizingInterestRateSwapsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=kbr_September2024InterestRateSwapsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=kbr_April2025InterestRateSwapsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=kbr_April2025ForwardInterestRateSwapsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |