Receivables - Nonperforming Consumer Receivable Portfolio (Detail) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2011
Financing Receivable, Impaired [Line Items]
Real estate secured	$ 33,963		$ 42,713
Receivables held for sale	6,361	6,800
Total	40,324		47,909
Personal non-credit card			5,196
Nonperforming Loans [Member]
Financing Receivable, Impaired [Line Items]
Real estate secured	2,878		6,544
Receivables held for sale	2,387
Total	5,265		6,874
Personal non-credit card			330
Performing Loans [Member]
Financing Receivable, Impaired [Line Items]
Real estate secured	31,085		36,169
Receivables held for sale	3,974
Total	35,059		41,035
Personal non-credit card			$ 4,866

Reflects the aggregate gross carrying amount of all consumer loans and leases held in portfolio, prior to deducting deferred income and the allowance for losses on consumer loans and leases.

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The aggregate carrying amount of loans receivable that will be sold to other entities. Includes mortgage and all other loans (collectively, loans) not classified as held for investment. Such loans are stated at the lower of cost or market, or elected fair value. Mortgage loans exclude mortgage-backed securities which are considered a debt security (other loan).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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