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The amount of identifiable intangible assets recognized as of the acquisition date.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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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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Business Acquisition (Narrative) (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended
	Dec. 14, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Business Acquisition [Line Items]
Acquisition-related goodwill		$ 1,227us-gaap_Goodwill	$ 1,227us-gaap_Goodwill	$ 1,228us-gaap_Goodwill
Investor Services [Member]
Business Acquisition [Line Items]
Acquisition-related goodwill		1,127	1,127	1,128
Advisor Services [Member]
Business Acquisition [Line Items]
Acquisition-related goodwill		100	100	100
Thomas Partners, Inc. [Member]
Business Acquisition [Line Items]
Business acquisition, intangible assets	32
Business acquisition in cash	85
Acquisition-related goodwill	68
Intangible assets, amortization period	11 years
Thomas Partners, Inc. [Member] \| Investor Services [Member]
Business Acquisition [Line Items]
Acquisition-related goodwill	54
Thomas Partners, Inc. [Member] \| Advisor Services [Member]
Business Acquisition [Line Items]
Acquisition-related goodwill	$ 14