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Consolidated Statements of Cash Flows (Parenthetical) (USD $) In Millions | 6 Months Ended
--- | ---
Jun. 30, 2011 | Jun. 30, 2010
Consolidated Statements of Cash Flows [Abstract] |  |
Sale of premises and equipment | $ 3 | $ 7
Net Cash Provided by (Used in) Discontinued Operations [Abstract] |  |
Cash and cash equivalents at beginning of period | 16,356 | 16,599
Cash and cash equivalents at end of period | 23,082 | 20,687
Segment Discontinued Operations [Member] |  |
Net Cash Provided by (Used in) Discontinued Operations [Abstract] |  |
Cash and cash equivalents at end of period | $ 0 | $ 0

X
- Definition The sum of cash and cash equivalents plus Federal Funds Sold. Cash and cash equivalents consist of short term, highly liquid investments that are readily convertible to known amounts of cash and are so near their maturity that they present negligible risk of changes in value due to changes in interest rates -- usually with an original maturity less than 90 days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 8, 9, 10 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Subsection I + Details
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- Details
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 16 -Subparagraph c + Details
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