Name:	cpb_EmployeeBenefitsAndDeferredCompensationPayments
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Balance Type:	debit
Period Type:	duration

Financing Commitment Fee Payments Related to Business Combination

No definition available.

Name:	cpb_FinancingCommitmentFeePaymentsRelatedtoBusinessCombination
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Data Type:	xbrli:monetaryItemType
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Non-cash compensation/benefit related expense

No definition available.

Name:	cpb_Noncashcompensationbenefitrelatedexpense
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Other Cash Adjustments Not Separately Disclosed in Operating Activities

No definition available.

Name:	cpb_OtherCashAdjustmentsNotSeparatelyDisclosedinOperatingActivities
Namespace Prefix:	cpb_
Data Type:	xbrli:monetaryItemType
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- References

No definition available.

Name:	us-gaap_DisclosureTextBlockSupplementAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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Amount of expense (income) related to the increase (decrease) in reserve for business combination costs. Includes, but is not limited to, legal, accounting, and other costs incurred to consummate the merger.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

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Amount of income or gain included in net income that result in no cash inflow (outflow), classified as other.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

Name:	us-gaap_OtherNoncashIncome
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Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Other cash or noncash adjustments to reconcile net income to cash provided by (used in) operating activities that are not separately disclosed in the statement of cash flows (for example, cash received or cash paid during the current period for miscellaneous operating activities, net change during the reporting period in other assets or other liabilities).

No definition available.