Acquisitions and Divestitures (Acquisitions) (Details) (DJI [Member], USD $) In Millions, unless otherwise specified	Jun. 29, 2012
Consideration Transferred:
Total consideration transferred	$ 792
Preliminary Purchase Price Allocation:
Current assets	82
Goodwill	96
Property and equipment	4
Current liabilities	(23)
Total net assets	792
Indices [Member]
Preliminary Purchase Price Allocation:
Other intangibles	633
Fair Value of S&P Index [Member]
Consideration Transferred:
Fair value of contribution	571
Fair Value of Noncontrolling interest of DJI [Member]
Consideration Transferred:
Fair value of contribution	$ 221

Bussiness Acquisition, Purchase Price Allocation, Current Liabilities

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- Definition

The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

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The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.

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The amount of acquisition cost of a business combination allocated to current assets.

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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

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The amount of acquisition cost of a business combination allocated to property, plant and equipment to be used in ongoing operations.

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- Definition

This element represents the acquisition-date fair value of the total consideration transferred which consists of the sum of the acquisition-date fair values of the assets transferred by the acquirer, the liabilities incurred by the acquirer to former owners of the acquiree, and the equity interests issued by the acquirer.

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This element represents the acquisition-date fair value of any tangible or intangible assets, including a business or subsidiary of the acquirer, but excluding cash, transferred by the entity to the former owners of the acquire.

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