Basis of Presentation and Summary of Significant Accounting Policies Assets Under Management (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Assets Under Management and Advisory [Abstract]
Assets under Management, Carrying Amount	$ 24,280	$ 20,417	$ 18,140

The carrying amount of assets an investment adviser manages on behalf of investors.

No definition available.

Name:	us-gaap_AssetsUnderManagementCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant