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Supplemental Information About The Credit Quality Of Financing Receivables And Allowance For Losses On Financing Receivables (Real Estate) (Details) (USD $) In Millions, unless otherwise specified
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6 Months Ended |
12 Months Ended |
|
Jun. 30, 2013
|
Jun. 30, 2012
|
Dec. 31, 2012
|
| Financing Receivables And Allowance For Losses [Abstract] |
|
|
|
| Loans and leases receivable, Gross |
$ 262,380 |
|
$ 273,936 |
| Credit Quality Indicators [Abstract] |
|
|
|
| Loans and leases receivable, Gross |
262,380 |
|
273,936 |
|
Commercial Real Estate Portfolio Segment [Member]
|
|
|
|
| Financing Receivables And Allowance For Losses [Abstract] |
|
|
|
| Loans and leases receivable, Gross |
19,621 |
|
20,946 |
| General reserves |
91 |
|
132 |
| Total impaired loans |
4,728 |
|
5,693 |
| Allowance for losses (specific reserves) |
144 |
|
188 |
| Past Due Financing Receivables [Abstract] |
|
|
|
| Financing Receivable, Recorded Investment, Equal to Greater than 30 Days Past Due |
2.10% |
|
2.30% |
| Financing Receivable, Recorded Investments, Equal to Greater than 90 Days Past Due |
2.00% |
|
2.20% |
| Nonaccrual Financing Receivables [Abstract] |
|
|
|
| Nonaccrual loans |
4,294 |
|
4,885 |
| Amount of nonaccrual loans currently paying in accordance with contractual terms |
3,884 |
|
4,461 |
| Nonearning financing receivables |
419 |
|
444 |
| Allowance for losses as a percent of nonaccrual financing receivables |
5.50% |
|
6.60% |
| Allowance for losses as a percent of nonearning financing receivables |
56.10% |
|
72.10% |
| Impaired Loans |
|
|
|
| Total impaired loans |
4,728 |
|
5,693 |
| Allowance for losses (specific reserves) |
144 |
|
188 |
| Average investment during the period |
5,226 |
|
7,525 |
| Interest income recognized |
110 |
183 |
329 |
| Interest income recognized on a cash basis |
90 |
129 |
237 |
| Financing Receivable, Modifications, Recorded Investment |
4,356 |
|
5,146 |
| Changes In Loans Modified As Troubled Debt Restructurings |
776 |
|
|
| Loans Modified As Troubled Debt Restructuring That Have Subsequently Experienced Payment Default |
65 |
407 |
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| Credit Quality Indicators [Abstract] |
|
|
|
| Loans and leases receivable, Gross |
19,621 |
|
20,946 |
| Loan To Value Ratio Of Real Estate Loans Paying In Accordance With Contractual Terms |
95.00% |
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|
|
Commercial Real Estate Portfolio Segment [Member] | Performing Financing Receivable [Member]
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|
|
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| Financing Receivables And Allowance For Losses [Abstract] |
|
|
|
| Non-impaired financing receivables |
14,893 |
|
15,253 |
|
Commercial Real Estate Portfolio Segment [Member] | No Related Allowance [Member]
|
|
|
|
| Financing Receivables And Allowance For Losses [Abstract] |
|
|
|
| Total impaired loans |
3,207 |
|
3,491 |
| Impaired Loans |
|
|
|
| Total impaired loans |
3,207 |
|
3,491 |
| Unpaid principal balance |
3,369 |
|
3,712 |
| Average investment during the period |
3,295 |
|
3,773 |
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Commercial Real Estate Portfolio Segment [Member] | Related Allowance [Member]
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|
|
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| Financing Receivables And Allowance For Losses [Abstract] |
|
|
|
| Total impaired loans |
1,521 |
|
2,202 |
| Allowance for losses (specific reserves) |
144 |
|
188 |
| Impaired Loans |
|
|
|
| Total impaired loans |
1,521 |
|
2,202 |
| Unpaid principal balance |
1,973 |
|
2,807 |
| Allowance for losses (specific reserves) |
144 |
|
188 |
| Average investment during the period |
1,931 |
|
3,752 |
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Commercial Real Estate Portfolio Segment [Member] | Modifications Classified As TDRs In Last Twelve Months [Member]
|
|
|
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| Impaired Loans |
|
|
|
| Financing Receivable, Modifications, Recorded Investment |
2,858 |
4,454 |
|
|
Commercial Real Estate Portfolio Segment [Member] | Debt Real Estate [Member] | Loan To Value Ratio Less Than 80 Percent [Member]
|
|
|
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| Financing Receivables And Allowance For Losses [Abstract] |
|
|
|
| Loans and leases receivable, Gross |
13,977 |
|
13,570 |
| Credit Quality Indicators [Abstract] |
|
|
|
| Loans and leases receivable, Gross |
13,977 |
|
13,570 |
|
Commercial Real Estate Portfolio Segment [Member] | Debt Real Estate [Member] | Loan To Value Ratio From 80 To 95 Percent [Member]
|
|
|
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| Financing Receivables And Allowance For Losses [Abstract] |
|
|
|
| Loans and leases receivable, Gross |
1,970 |
|
2,572 |
| Credit Quality Indicators [Abstract] |
|
|
|
| Loans and leases receivable, Gross |
1,970 |
|
2,572 |
|
Commercial Real Estate Portfolio Segment [Member] | Debt Real Estate [Member] | Loan To Value Ratio Greater Than 95 Percent [Member]
|
|
|
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| Financing Receivables And Allowance For Losses [Abstract] |
|
|
|
| Loans and leases receivable, Gross |
2,591 |
|
3,604 |
| Credit Quality Indicators [Abstract] |
|
|
|
| Loans and leases receivable, Gross |
2,591 |
|
3,604 |
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Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Credit Tenant [Member] | Secured Credit Quality Indicator Low Risk [Member]
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|
|
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| Financing Receivables And Allowance For Losses [Abstract] |
|
|
|
| Loans and leases receivable, Gross |
681 |
|
956 |
| Credit Quality Indicators [Abstract] |
|
|
|
| Loans and leases receivable, Gross |
681 |
|
956 |
|
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Credit Tenant [Member] | Secured Credit Quality Indicator Moderate Risk [Member]
|
|
|
|
| Financing Receivables And Allowance For Losses [Abstract] |
|
|
|
| Loans and leases receivable, Gross |
201 |
|
25 |
| Credit Quality Indicators [Abstract] |
|
|
|
| Loans and leases receivable, Gross |
201 |
|
25 |
|
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Credit Tenant [Member] | Secured Credit Quality Indicator High Risk [Member]
|
|
|
|
| Financing Receivables And Allowance For Losses [Abstract] |
|
|
|
| Loans and leases receivable, Gross |
201 |
|
219 |
| Credit Quality Indicators [Abstract] |
|
|
|
| Loans and leases receivable, Gross |
$ 201 |
|
$ 219 |