Goodwill and Other Intangible Assets (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Goodwill and Other Intangible Assets
Aggregate pre-tax amortization expense	$ 92	$ 70	$ 198	$ 137
Pre-tax amortization expense, 2012	140		140
Pre-tax amortization expense, 2013	332		332
Pre-tax amortization expense, 2014	348		348
Pre-tax amortization expense, 2015	351		351
Pre-tax amortization expense, 2016	308		308
Pre-tax amortization expense, 2017	$ 180		$ 180

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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