Number of shares of equity interests issued or issuable to acquire entity.

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-Topic 805

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Face amount or stated value per share of common stock.

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-Section S99

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-Subparagraph (SX 210.5-02.29)

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

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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.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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-Publisher FASB

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-Glossary Investing Activities

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Organization (Details) In Millions, except Share data, unless otherwise specified	0 Months Ended		6 Months Ended			0 Months Ended
	Dec. 31, 2014 USD ($)	Dec. 31, 2014 GBP (£)	Feb. 28, 2015 USD ($) Segment	Dec. 31, 2014 USD ($)	Aug. 31, 2014 USD ($)	Dec. 31, 2014 Walgreens Boots Alliance [Member] GBP (£)	Feb. 28, 2015 Walgreens Boots Alliance [Member] USD ($)	Dec. 31, 2014 Walgreens Boots Alliance [Member]
Schedule of Equity Method Investments [Line Items]
Number of reportable segment			3us-gaap_NumberOfReportableSegments
Common stock, par value (in dollars per share)			$ 0.01	$ 0.078125	$ 0.078125		$ 0.01
Increased ownership percentage of Alliance Boots (in hundredths)								55.00%
Total purchase price cash consideration	$ 4,900	£ 3,133				£ 3,133
Number of shares exchanged in acquisition (in shares)						144,333,468