Outstanding Loans and Leases - Credit Card and Other Consumer - Credit Quality Indicators (Details) (USD $)
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Sep. 30, 2014
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Dec. 31, 2013
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Financing Receivable, Recorded Investment [Line Items] | ||||||||||||||||||||||||||||
Loans and leases | $ 891,315,000,000 | $ 928,233,000,000 | ||||||||||||||||||||||||||
Percentage outstanding, current or less than 30 days past due | 93.22% | [1] | 91.99% | [2] | ||||||||||||||||||||||||
Percentage outstanding, Equal to Greater than 90 days past due | 2.47% | [3] | 3.04% | [4] | ||||||||||||||||||||||||
Consumer Portfolio Segment
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Financing Receivable, Recorded Investment [Line Items] | ||||||||||||||||||||||||||||
Loans and leases | 500,094,000,000 | 531,950,000,000 | ||||||||||||||||||||||||||
Consumer Portfolio Segment | Direct/Indirect Consumer
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Financing Receivable, Recorded Investment [Line Items] | ||||||||||||||||||||||||||||
Loans and leases | 83,118,000,000 | 82,192,000,000 | ||||||||||||||||||||||||||
Securities based lending overcollateralized | 38,900,000,000 | 35,800,000,000 | ||||||||||||||||||||||||||
Loans no longer originated by corporation | 3,600,000,000 | 4,100,000,000 | ||||||||||||||||||||||||||
Consumer Portfolio Segment | Other consumer
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Financing Receivable, Recorded Investment [Line Items] | ||||||||||||||||||||||||||||
Loans and leases | 2,152,000,000 | [5] | 1,977,000,000 | [6] | ||||||||||||||||||||||||
Percentage from exited businesses | 48.00% | 60.00% | ||||||||||||||||||||||||||
United States | Consumer Portfolio Segment | Credit Card Receivable
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Financing Receivable, Recorded Investment [Line Items] | ||||||||||||||||||||||||||||
Loans and leases | 89,026,000,000 | 92,338,000,000 | ||||||||||||||||||||||||||
Non United States | Other consumer
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Financing Receivable, Recorded Investment [Line Items] | ||||||||||||||||||||||||||||
Loans and leases | 3,000,000 | 5,000,000 | ||||||||||||||||||||||||||
Non United States | Consumer Portfolio Segment | Credit Card Receivable
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Financing Receivable, Recorded Investment [Line Items] | ||||||||||||||||||||||||||||
Loans and leases | 11,433,000,000 | 11,541,000,000 | ||||||||||||||||||||||||||
Percentage outstanding, current or less than 30 days past due | 98.00% | 98.00% | ||||||||||||||||||||||||||
Percentage outstanding, 30-89 days past due | 1.00% | 1.00% | ||||||||||||||||||||||||||
Percentage outstanding, Equal to Greater than 90 days past due | 1.00% | 1.00% | ||||||||||||||||||||||||||
Less than 620 | Consumer Portfolio Segment | Direct/Indirect Consumer
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Financing Receivable, Recorded Investment [Line Items] | ||||||||||||||||||||||||||||
Loans and leases | 1,274,000,000 | 1,220,000,000 | ||||||||||||||||||||||||||
Less than 620 | Consumer Portfolio Segment | Other consumer
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Financing Receivable, Recorded Investment [Line Items] | ||||||||||||||||||||||||||||
Loans and leases | 467,000,000 | [5] | 539,000,000 | [6] | ||||||||||||||||||||||||
Less than 620 | United States | Consumer Portfolio Segment | Credit Card Receivable
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Financing Receivable, Recorded Investment [Line Items] | ||||||||||||||||||||||||||||
Loans and leases | 4,435,000,000 | 4,989,000,000 | ||||||||||||||||||||||||||
Greater than or equal to 620 and less than 680 | Consumer Portfolio Segment | Direct/Indirect Consumer
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Financing Receivable, Recorded Investment [Line Items] | ||||||||||||||||||||||||||||
Loans and leases | 1,932,000,000 | 3,345,000,000 | ||||||||||||||||||||||||||
Greater than or equal to 620 and less than 680 | Consumer Portfolio Segment | Other consumer
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Financing Receivable, Recorded Investment [Line Items] | ||||||||||||||||||||||||||||
Loans and leases | 294,000,000 | [5] | 264,000,000 | [6] | ||||||||||||||||||||||||
Greater than or equal to 620 and less than 680 | United States | Consumer Portfolio Segment | Credit Card Receivable
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Financing Receivable, Recorded Investment [Line Items] | ||||||||||||||||||||||||||||
Loans and leases | 12,171,000,000 | 12,753,000,000 | ||||||||||||||||||||||||||
Greater than or equal to 680 and less than 740 | Consumer Portfolio Segment | Direct/Indirect Consumer
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Financing Receivable, Recorded Investment [Line Items] | ||||||||||||||||||||||||||||
Loans and leases | 10,932,000,000 | 9,887,000,000 | ||||||||||||||||||||||||||
Greater than or equal to 680 and less than 740 | Consumer Portfolio Segment | Other consumer
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Financing Receivable, Recorded Investment [Line Items] | ||||||||||||||||||||||||||||
Loans and leases | 357,000,000 | [5] | 199,000,000 | [6] | ||||||||||||||||||||||||
Greater than or equal to 680 and less than 740 | United States | Consumer Portfolio Segment | Credit Card Receivable
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Financing Receivable, Recorded Investment [Line Items] | ||||||||||||||||||||||||||||
Loans and leases | 34,527,000,000 | 35,413,000,000 | ||||||||||||||||||||||||||
Greater than or equal to 740 | Consumer Portfolio Segment | Direct/Indirect Consumer
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Financing Receivable, Recorded Investment [Line Items] | ||||||||||||||||||||||||||||
Loans and leases | 25,509,000,000 | 26,220,000,000 | ||||||||||||||||||||||||||
Greater than or equal to 740 | Consumer Portfolio Segment | Other consumer
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Financing Receivable, Recorded Investment [Line Items] | ||||||||||||||||||||||||||||
Loans and leases | 859,000,000 | [5] | 188,000,000 | [6] | ||||||||||||||||||||||||
Greater than or equal to 740 | United States | Consumer Portfolio Segment | Credit Card Receivable
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Financing Receivable, Recorded Investment [Line Items] | ||||||||||||||||||||||||||||
Loans and leases | 37,893,000,000 | 39,183,000,000 | ||||||||||||||||||||||||||
Other internal credit metrics | Consumer Portfolio Segment | Direct/Indirect Consumer
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Financing Receivable, Recorded Investment [Line Items] | ||||||||||||||||||||||||||||
Loans and leases | 43,471,000,000 | [7],[8],[9] | 41,520,000,000 | [10],[11],[12] | ||||||||||||||||||||||||
Other internal credit metrics | Consumer Portfolio Segment | Other consumer
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Financing Receivable, Recorded Investment [Line Items] | ||||||||||||||||||||||||||||
Loans and leases | 175,000,000 | [5],[7],[8],[9] | 787,000,000 | [10],[11],[12],[6] | ||||||||||||||||||||||||
Other internal credit metrics | United States | Consumer Portfolio Segment | Credit Card Receivable
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Financing Receivable, Recorded Investment [Line Items] | ||||||||||||||||||||||||||||
Loans and leases | [7],[8],[9] | [10],[11],[12] | ||||||||||||||||||||||||||
Other internal credit metrics | Non United States | Consumer Portfolio Segment | Credit Card Receivable
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Financing Receivable, Recorded Investment [Line Items] | ||||||||||||||||||||||||||||
Loans and leases | $ 11,433,000,000 | [7],[8],[9] | $ 11,541,000,000 | [10],[11],[12] | ||||||||||||||||||||||||
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