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Subsequent Events (Details) $ in Millions				3 Months Ended
	Aug. 10, 2017 USD ($)	Aug. 03, 2017 USD ($)	Jul. 29, 2017 USD ($) site	Jul. 28, 2017 USD ($)	Jul. 29, 2016 USD ($)
Subsequent Event [Line Items]
Repayments on long-term debt				$ 8	$ 17
Subsequent Event
Subsequent Event [Line Items]
Charge (benefit), settlements	$ (12,000)
Subsequent Event | Senior unsecured term loan
Subsequent Event [Line Items]
Repayments on long-term debt		$ 3,000
Subsequent Event | Patient Care, Deep Vein Thrombosis, and Nutritional Insufficiency Business | Disposal group, disposed of by sale, not discontinued operations
Subsequent Event [Line Items]
Sale of businesses, consideration			$ 6,100
Sale of businesses, number of dedicated manufacturing sites | site			17
Sale of businesses, transitional agreement, manufacture and supply services, term			5 years
Subsequent Event | Patient Care, Deep Vein Thrombosis, and Nutritional Insufficiency Business | Disposal group, disposed of by sale, not discontinued operations | Minimum
Subsequent Event [Line Items]
Sales of businesses, proceeds			$ 5,600
Sale of businesses, transitional agreement, administrative services, term			6 months
Subsequent Event | Patient Care, Deep Vein Thrombosis, and Nutritional Insufficiency Business | Disposal group, disposed of by sale, not discontinued operations | Maximum
Subsequent Event [Line Items]
Sales of businesses, proceeds			$ 5,800
Sale of businesses, transitional agreement, administrative services, term			12 months

X

- Definition

Disposal Group, Including Discontinued Operation, Number of Manufacturing Sites

+ References

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Disposal Group, Including Discontinued Operation, Transitional Agreement, Manufacture and Supply Services Term

+ References

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- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319

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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Paragraph 15
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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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