Annual Recurring Compensation Per Share to Noncontrolling Interests

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- Definition

Noncontrolling Interests, Put Right, Exercise Price

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- Definition

Redeemable Noncontrolling Interests, Maximum Redemption Value

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No definition available.

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- Definition

Repurchase of Redeemable Noncontrolling Interest, Shares Repurchased

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No definition available.

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- Definition

This element represents the total net income attributable to the parent for the period and the effect of net changes during the period impacting the parent's ownership interest in a subsidiary as it relates to the total (consolidated) equity attributable to the parent. The changes to the parent's ownership interest in a subsidiary represented by this element did not result in a deconsolidation of the subsidiary from the consolidated financial statements.

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-Publisher FASB
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- Definition

The increase (decrease) during the period impacting the parent's ownership interest in a subsidiary as it relates to the total (consolidated) equity attributable to the parent. The changes to the parent's ownership interest in a subsidiary represented by this element did not arise in a deconsolidation of the subsidiary from the consolidated financial statements.

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- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

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- Definition

Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).

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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

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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No definition available.

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- Definition

Amount of Net Income (Loss) attributable to noncontrolling interest.

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- Definition

Amount of Net Income (Loss) attributable to redeemable noncontrolling interest.

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- Definition

The cash outflow during the period for redemption of redeemable noncontrolling interests.

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No definition available.

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- Definition

As of the reporting date, the carrying amount of noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. The noncontrolling interest holder's ownership (or holders' ownership) may be in the form of common shares (regardless of class), limited partnership units (regardless of class), non-preferential membership interests, or any other form of common equity regardless of investee entity legal form.

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Redeemable Noncontrolling Interests and Noncontrolling Interests - Narrative (Details) shares in Millions	12 Months Ended
	Mar. 31, 2018 USD ($) shares	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)	Mar. 31, 2018 € / shares	Dec. 02, 2014 € / shares
Noncontrolling Interest [Line Items]
Carrying amount of redeemable noncontrolling interest	$ 1,459,000,000	$ 1,327,000,000
Noncontrolling interests	253,000,000	178,000,000
Net income attributable to noncontrolling interests	230,000,000	83,000,000	$ 52,000,000
Net income attributable to McKesson and transfers of interests	70,000,000
Redeemable Noncontrolling Interest
Noncontrolling Interest [Line Items]
Net income attributable to noncontrolling interests	43,000,000	44,000,000
Decrease in carrying value of redeemable noncontrolling interest	53,000,000
Carrying amount of redeemable noncontrolling interest	1,459,000,000	1,327,000,000	1,406,000,000
Noncontrolling Interest
Noncontrolling Interest [Line Items]
Decrease in carrying value of redeemable noncontrolling interest	0
Noncontrolling interests	253,000,000	178,000,000	84,000,000
Net income attributable to noncontrolling interests	187,000,000	39,000,000
Additional Paid-in Capital
Noncontrolling Interest [Line Items]
Effect of changes in ownership interests	3,000,000
McKesson Europe
Noncontrolling Interest [Line Items]
Annual recurring compensation (in euro per share) \| € / shares					€ 0.83
Net income attributable to noncontrolling interests	43,000,000	44,000,000	44,000,000
Put right (in dollars per share) \| € / shares				€ 22.99
Payments to purchase shares of Mckesson Europe	$ 50,000,000
Shares purchased (shares) \| shares	1.9
Maximum redemption value	$ 1,347,000,000.000	$ 1,210,000,000.00
Percentage of outstanding common shares	77.00%	76.00%
McKesson Europe \| Redeemable Noncontrolling Interest
Noncontrolling Interest [Line Items]
Decrease in carrying value of redeemable noncontrolling interest	$ 53,000,000
Vantage and ClarusOne Sourcing Services LLC
Noncontrolling Interest [Line Items]
Net income attributable to noncontrolling interests	$ 187,000,000	$ 39,000,000	$ 8,000,000