Number of Stores Sold

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- Definition

Number of Stores to be Sold

+ References

No definition available.

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- Definition

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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- Definition

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

+ References

No definition available.

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- Definition

Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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- Definition

Represents the number of stores.

+ References

No definition available.

+ Details

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- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585

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- Definition

Cash inflow representing an adjustment to the purchase price of a previous acquisition.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585

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Business Combinations - Acquisition of Rexall Health (Details) $ in Millions			3 Months Ended		6 Months Ended		12 Months Ended
	May 23, 2018 USD ($)	May 23, 2018 CAD ($)	Dec. 31, 2016 USD ($) pharmacy	Dec. 31, 2016 CAD ($) pharmacy	Sep. 30, 2017 USD ($)	Sep. 30, 2017 CAD ($)	Mar. 31, 2019 USD ($)	Mar. 31, 2018 USD ($) pharmacy	Mar. 31, 2017 USD ($)	Mar. 31, 2018 CAD ($)
Business Acquisition [Line Items]
Cash purchase consideration \| $							$ 905,000,000	$ 2,893,000,000	$ 4,212,000,000
Gain (loss) recognized from sale of stores \| $							86,000,000	$ 169,000,000	$ (94,000,000)
Rexall Health \| CANADA
Business Acquisition [Line Items]
Number of pharmacies \| pharmacy			400	400
Cash purchase consideration			$ 2,100,000,000	$ 2,900
Number of stores agreed to be divested \| pharmacy			27	27
Number of stores sold \| pharmacy								27
Rexall Health \| CANADA \| Third Party Buyer
Business Acquisition [Line Items]
Consideration agreed upon for sale of business								$ 94,000,000		$ 116
Rexall Health \| CANADA \| Third Party Seller of Rexall Health
Business Acquisition [Line Items]
Proceeds from escrow settlement related to previous Acquisition	$ 97,000,000	$ 125			$ 119,000,000	$ 147	$ 97,000,000
Gain (loss) recognized from sale of stores \| $					$ 0