Financing Arrangements , Current Debt Obligations (Details) - USD ($)	12 Months Ended
Apr. 26, 2019	Apr. 27, 2018
Short-term Debt [Line Items]
Current debt obligations	$ 838,000,000	$ 2,058,000,000
Bank borrowings
Short-term Debt [Line Items]
Current debt obligations	332,000,000	355,000,000
Capital lease obligations
Short-term Debt [Line Items]
Current debt obligations	6,000,000	5,000,000
Commercial paper \| Commercial paper
Short-term Debt [Line Items]
Current debt obligations	$ 0	698,000,000
Senior Notes \| Floating rate five-year 2015 senior notes
Short-term Debt [Line Items]
Debt term	5 years
Current debt obligations	$ 500,000,000	0
Senior Notes \| 1.700 percent two-year 2017 senior notes
Short-term Debt [Line Items]
Stated interest rate	1.70%
Debt term	2 years
Current debt obligations	$ 0	$ 1,000,000,000

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://fasb.org/us-gaap/role/ref/legacyRef
-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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Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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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