Debt instrument, payment terms (in years)

Name:	k_DebtInstrumentPaymentTermsInYears
Namespace Prefix:	k
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 21
-Paragraph 16, 20

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Interest rate stated in the contractual debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap
Data Type:	us-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Reflects when the credit facility terminates, which may be presented in a variety of ways (year, month and year, day, month and year, quarter).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 129
-Paragraph 2, 4

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 22
-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityExpirationDate
Namespace Prefix:	us-gaap
Data Type:	us-types:dateStringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 18

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 20
-Subparagraph b

+ Details

Name:	us-gaap_RepaymentsOfLongTermDebt
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Debt (Narrative) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended							6 Months Ended	4 Months Ended
	Jul. 02, 2011	Jul. 03, 2010	Jul. 02, 2011 Unsecured Five-Year Credit Agreement [Member]	Mar. 31, 2011 Unsecured Four-Year Credit Agreement [Member]	Mar. 31, 2011 Unsecured Four-Year Credit Agreement [Member] Letter of Credit [Member]	Mar. 31, 2011 Unsecured Four-Year Credit Agreement [Member] U.S. Swingline Loans [Member]	Mar. 31, 2011 Unsecured Four-Year Credit Agreement [Member] European Swingline Loans [Member]	Jul. 02, 2011 Ten-Year 6.6% U.S. Dollar Notes Due 2011 [Member]	May 28, 2011 Seven-Year 3.25% U.S. Dollar Notes Due 2018 [Member]	Jul. 02, 2011 Seven-Year 3.25% U.S. Dollar Notes Due 2018 [Member]
Repayment of long-term debt	$ 946	$ 1						$ 946
Debt issued									400
Debt instrument, payment terms (in years)								ten	seven
Debt instrument, stated interest rate									3.25%	6.60%
Prior line of credit facility, expiration date			November 2011
Line of credit facility, maximum borrowing capacity				$ 2,000	$ 75	$ 200	$ 400