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Business Combinations (Narrative) (Details) - Feb. 06, 2014 - Celesio $ in Billions	USD ($) country
Business Acquisition [Line Items]
Effective date of acquisition	Feb. 06, 2014
Voting interests acquired, percentage	77.60%
Acquired entity, name	Celesio AG
Cash paid for acquisition | $	$ 4.5
Number of Countries in which Entity Operates	14

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Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

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