Financing Arrangements , Short-term Debt (Details) - USD ($) $ in Millions	12 Months Ended
Apr. 29, 2016	Apr. 24, 2015
Short-term Debt [Line Items]
Total Short-Term Borrowings	$ 993	$ 2,434
Debt premium	0	5
Capital lease obligations [Member]
Short-term Debt [Line Items]
Total Short-Term Borrowings	106	16
Bank borrowings [Member]
Short-term Debt [Line Items]
Total Short-Term Borrowings	$ 387	303
Senior notes [Member] \| Floating rate three-year 2014 senior notes [Member]
Short-term Debt [Line Items]
Debt term	3 years
Total Short-Term Borrowings	$ 250	0
Senior notes [Member] \| 0.875 percent three-year 2014 senior notes [Member]
Short-term Debt [Line Items]
Stated interest rate	0.875%
Debt term	3 years
Total Short-Term Borrowings	$ 250	0
Senior notes [Member] \| 2.625 percent five-year 2011 senior notes [Member]
Short-term Debt [Line Items]
Stated interest rate	2.625%
Debt term	5 years
Total Short-Term Borrowings	$ 0	500
Senior notes [Member] \| 4.750 percent ten-year 2005 senior notes [Member]
Short-term Debt [Line Items]
Stated interest rate	4.75%
Debt term	10 years
Total Short-Term Borrowings	$ 0	600
Senior notes [Member] \| 1.350 percent 2012 CIFSA senior notes [Member]
Short-term Debt [Line Items]
Stated interest rate	1.35%
Total Short-Term Borrowings	$ 0	600
Senior notes [Member] \| 2.800 percent 2010 CIFSA senior notes [Member]
Short-term Debt [Line Items]
Stated interest rate	2.80%
Total Short-Term Borrowings	$ 0	400
Interest rate swaps [Member]
Short-term Debt [Line Items]
Total Short-Term Borrowings	$ 0	$ 10

Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19,20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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+ References

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

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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.

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