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Details of Certain Consolidated Statements of Income Lines (Details 3) (USD $) In Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2011 | Jun. 30, 2010 | Jun. 30, 2011 | Jun. 30, 2010
Component of Operating Other Cost and Expense [Line Items] |  |  |  |
Total other, net expense | $ 575 | $ 464 | $ 1,142 | $ 954
Occupancy and equipment [Member] |  |  |  |
Component of Operating Other Cost and Expense [Line Items] |  |  |  |
Total other, net expense | 391 | 379 | 785 | 763
Communications [Member] |  |  |  |
Component of Operating Other Cost and Expense [Line Items] |  |  |  |
Total other, net expense | 92 | 97 | 187 | 192
Mastercard and Visa settlements [Member] |  |  |  |
Component of Operating Other Cost and Expense [Line Items] |  |  |  |
Total other, net expense | (213) | (213) | (426) | (426)
Other net expenses [Member] |  |  |  |
Component of Operating Other Cost and Expense [Line Items] |  |  |  |
Total other, net expense | $ 305 | $ 201 | $ 596 | $ 425

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