Annual report pursuant to Section 13 and 15(d)

Goodwill Balances by Business Segment (Details)

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Goodwill Balances by Business Segment (Details) (USD $)
12 Months Ended 1 Months Ended 12 Months Ended 12 Months Ended 3 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2012
Deposits [Member]
Dec. 31, 2011
Deposits [Member]
Dec. 31, 2010
Deposits [Member]
Jun. 30, 2011
Consumer Real Estate Services [Member]
Dec. 31, 2012
Consumer Real Estate Services [Member]
Dec. 31, 2011
Consumer Real Estate Services [Member]
Dec. 31, 2010
Consumer Real Estate Services [Member]
Dec. 31, 2012
Global Commercial Banking [Member]
Dec. 31, 2011
Global Commercial Banking [Member]
Dec. 31, 2012
Global Banking & Markets [Member]
Dec. 31, 2011
Global Banking & Markets [Member]
Dec. 31, 2012
Global Wealth & Investment Management [Member]
Dec. 31, 2011
Global Wealth & Investment Management [Member]
Dec. 31, 2012
All Other [Member]
Dec. 31, 2011
All Other [Member]
Dec. 31, 2012
International Wealth Management Businesses [Member]
Dec. 31, 2012
International Consumer Card [Member]
Goodwill [Abstract]                                        
Total Goodwill $ 69,976,000,000 $ 69,967,000,000   $ 29,986,000,000 $ 29,986,000,000           $ 24,802,000,000 $ 24,802,000,000 $ 4,451,000,000 $ 4,442,000,000 $ 9,698,000,000 $ 9,718,000,000 $ 1,039,000,000 $ 1,019,000,000 $ 230,000,000  
In Text Details [Abstract]                                        
Goodwill impairment    $ 3,184,000,000 $ 12,400,000,000 $ 0    $ 10,400,000,000 $ 2,600,000,000    $ 2,603,000,000 $ 2,000,000,000                $ 581,000,000   $ 581,000,000