Gain (Loss) on Disposition of Business After Tax

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

Gain (loss) from sale or disposal of an organization or integrated set of activities (for example, but not limited to, a partnership or corporation) engaged in providing a product or service in a commercial, industrial, or professional environment.

+ References

No definition available.

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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

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- Definition

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

+ References

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- Definition

The change in the inventory reserve representing the cumulative difference in cost between the first in, first out and the last in, first out inventory valuation methods, which change has been reflected in the statement of income during the period.

+ References

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- Definition

Cash received for the settlement of litigation during the current period.

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Quarterly Financial Information (Unaudited) - Narrative (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016
Quarterly Financial Information [Line Items]
Pretax charges (credits) related to last-in-first-out method of accounting for inventory									$ (99)	$ (7)	$ 244
Goodwill impairment charge									1,738	290	0
Pre-tax charge									13	14	229
Distribution Solutions
Quarterly Financial Information [Line Items]
Goodwill impairment charge									1,738	0
Loss (income) from Equity Method Investment in Change Healthcare									32	30	15
Technology Solutions
Quarterly Financial Information [Line Items]
Goodwill impairment charge									0	290
Disposal Group, Held-for-sale, Not Discontinued Operations \| Enterprise Information Solutions
Quarterly Financial Information [Line Items]
Pre-tax gain on sale of business		$ 109
Gain from sale of business, after tax		30
Intangible Asset and Store Assets Impairment
Quarterly Financial Information [Line Items]
Pre-tax charge									479
Intangible Asset and Store Assets Impairment \| Fiscal 2018 McKesson Europe Plan
Quarterly Financial Information [Line Items]
Pre-tax charge	$ 257		$ 189						446
Mckesson Europe Reporting Unit
Quarterly Financial Information [Line Items]
Goodwill impairment charge									1,283
Mckesson Europe Reporting Unit \| Distribution Solutions
Quarterly Financial Information [Line Items]
Goodwill impairment charge	933		350
Rexall Health \| Distribution Solutions
Quarterly Financial Information [Line Items]
Goodwill impairment charge	455								455
Operating Segments \| Distribution Solutions
Quarterly Financial Information [Line Items]
Pretax charges (credits) related to last-in-first-out method of accounting for inventory	(94)	(2)	(29)	$ 26	$ 144	$ (155)	$ (43)	$ 47
Pre-tax charge									13	19	161
Net cash proceeds						$ 2		$ 142		144	76
Operating Segments \| Technology Solutions
Quarterly Financial Information [Line Items]
Goodwill impairment charge							$ 290
Pre-tax charge									0	(10)	51
Operating Segments \| Technology Solutions \| Core MTS Businesses
Quarterly Financial Information [Line Items]
Pre-tax gain on sale of business					3,947					3,947
Gain from sale of business, after tax					$ 3,018
Change Healthcare
Quarterly Financial Information [Line Items]
Loss (income) from Equity Method Investment in Change Healthcare	$ 23	$ (90)	$ (61)	(120)					$ (248)	$ 0	$ 0
Change Healthcare \| Operating Segments \| Technology Solutions \| Core MTS Businesses
Quarterly Financial Information [Line Items]
Pre-tax gain on sale of business				37
Gain from sale of business, after tax				$ 22