Goodwill, Impairment Loss, Tax

No definition available.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
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-Section 45
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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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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

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8672-108599

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- Definition

Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

+ References

No definition available.

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Goodwill and Intangible Assets, Net - Goodwill Narrative (Details) $ in Millions	3 Months Ended				9 Months Ended	12 Months Ended
	Sep. 30, 2020 segment	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Jun. 30, 2018 USD ($) reportingUnit	Mar. 31, 2021 USD ($) segment	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)
Goodwill [Line Items]
Number of reportable segments \| segment	4				4
Goodwill impairment charge						$ 69	$ 2	$ 1,797
Goodwill		$ 9,358			$ 9,493	9,493	9,360	9,358
International
Goodwill [Line Items]
Goodwill impairment charge						69	2	1,776
Goodwill		1,446			1,535	1,535	1,443	1,446
Accumulated goodwill impairment loss					3,600	3,600	$ 3,500
International \| Europe
Goodwill [Line Items]
Goodwill					$ 0	0
European Pharmaceutical Solutions
Goodwill [Line Items]
Number of reporting units \| reportingUnit				2
Retail Pharmacy \| International
Goodwill [Line Items]
Goodwill impairment charge		$ 465		$ 251		$ 69
Tax charged related to impairment								$ 20
Rexall Health \| International
Goodwill [Line Items]
Goodwill impairment charge			$ 21