Financing Receivables And Guarantees (Schedule Of Contractual Maturities Of The Gross Lease Receivables) (Details) (USD $) In Millions, unless otherwise specified	Apr. 28, 2012
Financing Receivables And Guarantees [Abstract]
2012 (remaining three months)	$ 430
2013	1,290
2014	908
2015	514
2016	217
Thereafter	47
Total	$ 3,406

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Future minimum lease rental payments receivable for the five years following the balance sheet date and the future minimum payment amount in total on nonoperating leases (direct financing, sales-type and leveraged leases).

+ References

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-Number 13

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- Definition

Future rental payments receivable within one year of the balance sheet date on nonoperating leases (direct financing, sales-type and leveraged leases).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 13

-Paragraph 23

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Future lease rental payments receivable after the fifth year from the balance sheet date on nonoperating leases (direct financing, sales-type and leveraged leases).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

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Future lease rental payments receivable within the fifth year from the balance sheet date on nonoperating leases (direct financing, sales-type and leveraged leases).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 13

-Paragraph 23

-Subparagraph a(ii)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

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Future lease rental payments receivable within the fourth year from the balance sheet date on nonoperating leases (direct financing, sales-type and leveraged leases).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 13

-Paragraph 23

-Subparagraph a(ii)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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- Definition

Future lease rental payments receivable within the third year from the balance sheet date on nonoperating leases (direct financing, sales-type and leveraged leases).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 13

-Paragraph 23

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Future rental payments receivable within the second year from the balance sheet date on nonoperating leases (direct financing, sales-type and leveraged leases).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 13

-Paragraph 23

-Subparagraph a(ii)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

-Name Accounting Standards Codification

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