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Acquisitions (2015 Acquisitions) (Narrative) (Details) - DWA $ in Millions	Jan. 30, 2015 USD ($)
Business Acquisition [Line Items]
Purchase price	$ 226
Cash paid	225
Working capital adjustments	1
Net assets (liabilities)	8
Net deferred tax liability	34
Revolving Credit Facility
Business Acquisition [Line Items]
Credit facility, proceeds	$ 100

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Amount of deferred tax liability attributable to taxable temporary differences assumed at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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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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