Shareholders' Equity (Schedule of Accumulated Other Comprehensive Loss) (Details) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Shareholders' Equity
Foreign currency translation	$ 688	$ 216
Net unrealized loss on hedges of net investments in non-U.S. subsidiaries	(14)	(14)
Net unrealized gain (loss) on available-for-sale securities portfolio	192	(90)
Net unrealized loss related to reclassified available-for-sale securities	(247)	(317)
Net unrealized loss on available-for-sale securities	(55)	(407)
Net unrealized loss on available-for-sale securities designated in fair value hedges	(127)	(135)
Expected losses from other-than-temporary impairment on available-for-sale securities related to factors other than credit	(11)	(17)
Expected losses from other-than-temporary impairment on held-to-maturity securities related to factors other than credit	(98)	(111)
Minimum pension liability	(215)	(210)
Net unrealized loss on cash flow hedges	(8)	(11)
Total	$ 160	$ (689)

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