Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Long-term Assets

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- Definition

Business Combination, Recognized Identifiable Assets Acquired, Assets Excluding Goodwill and Intangibles

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No definition available.

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- Definition

Number of Pharmacies Operated

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- Definition

Number of Stores Sold

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No definition available.

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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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.

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No definition available.

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
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- Definition

This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to intangibles acquired in connection with a business combination for which the initial accounting was incomplete.

+ References

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

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
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-Section 50
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- Definition

Amount of liabilities assumed at the acquisition date.

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- Definition

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

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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/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Represents the number of stores.

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No definition available.

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- Definition

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

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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

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No definition available.

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Business Combinations (Details) CAD in Millions				3 Months Ended	6 Months Ended
Business Combinations (Details) CAD in Millions	Apr. 03, 2017 USD ($)	Dec. 28, 2016 USD ($) pharmacy	Dec. 28, 2016 CAD	Sep. 30, 2017 USD ($) pharmacy	Sep. 30, 2017 USD ($) pharmacy	Sep. 30, 2017 CAD pharmacy	Sep. 30, 2016 USD ($)	Mar. 31, 2018 USD ($)	Sep. 30, 2017 CAD	Mar. 31, 2017 USD ($)
Business Acquisition [Line Items]
Net purchase consideration					$ 1,874,000,000		$ 2,041,000,000
Goodwill				$ 11,732,000,000	11,732,000,000					$ 10,586,000,000
Gain (loss) on sale of stores					47,000,000		(113,000,000)
CoverMyMeds, LLC (CMM)
Business Acquisition [Line Items]
Net purchase consideration	$ 1,300,000,000
Assets acquired as of the acquisition date, excluding goodwill and intangibles	53,000,000
Liabilities assumed as of the acquisition date	8,000,000
Goodwill	855,000,000
Acquired identifiable intangibles	$ 502,000,000
Uniprix Group [Member] \| CANADA
Business Acquisition [Line Items]
Number of Pharmacies Operated \| pharmacy				375
intraFUSION, BDI Pharma, LLC, and Uniprix Group [Member]
Business Acquisition [Line Items]
Net purchase consideration				$ 478,000,000
Goodwill				222,000,000	222,000,000
Acquired identifiable intangibles				119,000,000	$ 119,000,000
Rexall Health \| CANADA
Business Acquisition [Line Items]
Net purchase consideration		$ 2,100,000,000	CAD 2,900
Assets acquired as of the acquisition date, excluding goodwill and intangibles		566,000,000
Liabilities assumed as of the acquisition date		212,000,000
Goodwill		950,000,000
Acquired identifiable intangibles		$ 872,000,000
Number of retail pharmacies \| pharmacy		470
Number of retail pharmacies sold \| pharmacy					27	27
Gain (loss) on sale of stores					$ 0
Measurement period adjustments to provisional fair value of other long-term assets					21,000,000
Measurement period adjustments to provisional fair value of intangibles					17,000,000
Vantage Oncology Holdings, LLC (“Vantage”), Biologics, Inc., UDG Healthcare Plc (“UDG”) and Other Businesses
Business Acquisition [Line Items]
Net purchase consideration							$ 2,000,000,000
Additional amount, Up to \| CoverMyMeds, LLC (CMM)
Business Acquisition [Line Items]
Contingent consideration								$ 160,000,000
Customer relationships \| CoverMyMeds, LLC (CMM)
Business Acquisition [Line Items]
Weighted average life of intangibles	17 years
Customer relationships \| Rexall Health \| CANADA
Business Acquisition [Line Items]
Weighted average life of intangibles		19 years	19 years
Trade Names \| Rexall Health \| CANADA
Business Acquisition [Line Items]
Weighted average life of intangibles		19 years	19 years
Estimate of Fair Value \| CoverMyMeds, LLC (CMM)
Business Acquisition [Line Items]
Contingent consideration	$ 113,000,000
Third Party Buyer \| Rexall Health \| CANADA
Business Acquisition [Line Items]
Proceeds from sale of stores				$ 94,000,000	94,000,000				CAD 116
Third Party Seller of Rexall Health \| Rexall Health \| CANADA
Business Acquisition [Line Items]
Proceeds for settlement of post-closing purchase price adjustment					$ 119,000,000	CAD 147