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Debt Standby Letters of Credit (Details) - Standby Letters of Credit $ in Millions | Jan. 02, 2021 USD ($)
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Financial Support for Nonconsolidated Legal Entity [Line Items] |
Letters of Credit outstanding amount | $ 82
Secured |
Financial Support for Nonconsolidated Legal Entity [Line Items] |
Letters of Credit outstanding amount | 49
Unsecured |
Financial Support for Nonconsolidated Legal Entity [Line Items] |
Letters of Credit outstanding amount | $ 33

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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 No definition available. + Details
Name: | us-gaap_FinancialSupportForNonconsolidatedLegalEntityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | us-gaap_FinancialSupportToNonconsolidatedLegalEntityAxis=us-gaap_StandbyLettersOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_CededCreditRiskCollateralizationAxis=us-gaap_CededCreditRiskSecuredMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CededCreditRiskCollateralizationAxis=us-gaap_CededCreditRiskUnsecuredMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |