Payment Status for the LHFI Portfolio (Detail) (USD $) In Millions	Jun. 30, 2011		Dec. 31, 2010
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accruing Current	$ 108,296		$ 108,768
Accruing 30-89 Days Past Due	1,371		1,532
Accruing 90+ Days Past Due	1,636		1,565
Nonaccruing	3,610	[1]	4,110	[2]
Total	114,913	[3]	115,975	[3]
Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accruing Current	51,664		51,435
Accruing 30-89 Days Past Due	119		149
Accruing 90+ Days Past Due	23		17
Nonaccruing	1,563	[1]	1,887	[2]
Total	53,369		53,488
Commercial Portfolio Segment | Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accruing Current	45,271	[4]	44,046	[4]
Accruing 30-89 Days Past Due	93	[4]	111	[4]
Accruing 90+ Days Past Due	21	[4]	12	[4]
Nonaccruing	537	[1],[4],[5]	584	[2],[4],[5]
Total	45,922	[4]	44,753	[4]
Commercial Portfolio Segment | Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accruing Current	5,291		5,794
Accruing 30-89 Days Past Due	15		27
Accruing 90+ Days Past Due	2		4
Nonaccruing	399	[1]	342	[2]
Total	5,707		6,167
Commercial Portfolio Segment | Commercial Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accruing Current	1,102		1,595
Accruing 30-89 Days Past Due	11		11
Accruing 90+ Days Past Due			1
Nonaccruing	627	[1]	961	[2]
Total	1,740		2,568
Residential Mortgage Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accruing Current	41,282		42,500
Accruing 30-89 Days Past Due	757		899
Accruing 90+ Days Past Due	972		934
Nonaccruing	2,013	[1]	2,188	[2]
Total	45,024		46,521
Residential Mortgage Loans | Residential Guaranteed
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accruing Current	3,408		3,469
Accruing 30-89 Days Past Due	163		167
Accruing 90+ Days Past Due	942		884
Total	4,513		4,520
Residential Mortgage Loans | Residential Nonguaranteed
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accruing Current	21,448	[6]	21,916	[7]
Accruing 30-89 Days Past Due	336	[6]	456	[7]
Accruing 90+ Days Past Due	28	[6]	44	[7]
Nonaccruing	1,412	[1],[6],[8]	1,543	[2],[7],[8]
Total	23,224	[6]	23,959	[7]
Residential Mortgage Loans | Home Equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accruing Current	15,601		16,162
Accruing 30-89 Days Past Due	233		234
Nonaccruing	335	[1]	355	[2]
Total	16,169		16,751
Residential Mortgage Loans | Residential Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accruing Current	825		953
Accruing 30-89 Days Past Due	25		42
Accruing 90+ Days Past Due	2		6
Nonaccruing	266	[1]	290	[2]
Total	1,118		1,291
Consumer Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accruing Current	15,350		14,833
Accruing 30-89 Days Past Due	495		484
Accruing 90+ Days Past Due	641		614
Nonaccruing	34	[1]	35	[2]
Total	16,520		15,966
Consumer Portfolio Segment | Guaranteed Student Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accruing Current	3,578		3,281
Accruing 30-89 Days Past Due	417		383
Accruing 90+ Days Past Due	625		596
Total	4,620		4,260
Consumer Portfolio Segment | Consumer Other Direct
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accruing Current	1,834		1,692
Accruing 30-89 Days Past Due	15		15
Accruing 90+ Days Past Due	5		5
Nonaccruing	9	[1]	10	[2]
Total	1,863		1,722
Consumer Portfolio Segment | Consumer Indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accruing Current	9,547		9,400
Accruing 30-89 Days Past Due	55		74
Accruing 90+ Days Past Due	3
Nonaccruing	25	[1]	25	[2]
Total	9,630		9,499
Consumer Portfolio Segment | Consumer Credit Card
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accruing Current	391		460
Accruing 30-89 Days Past Due	8		12
Accruing 90+ Days Past Due	8		13
Total	407		485
Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	45,922		44,753
Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	5,707		6,167
Commercial Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,740		2,568
Residential Nonguaranteed
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	23,224	[9]	23,959	[9]
Home Equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	16,169		16,751
Residential Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,118		1,291
Consumer Other Direct
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,438	[10]	1,309	[10]
Consumer Indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	9,630		9,499
Consumer Credit Card
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	$ 407		$ 485

[1] Total nonaccruing loans past due 90 days or more totaled $2.8 billion. Nonaccruing loans past due fewer than 90 days include modified nonaccrual loans reported as TDRs.

[2] Total nonaccruing loans past due 90 days or more totaled $3.3 billion. Nonaccruing loans past due fewer than 90 days include modified nonaccrual loans reported as TDRs.

[3] Includes loans of consolidated VIEs 2,896 2,869

[4] Includes $4 million in loans carried at fair value.

[5] Includes $4 million of loans carried at fair value at June 30, 2011 and December 31, 2010, respectively.

[6] Includes $445 million in loans carried at fair value.

[7] Includes $488 million in loans carried at fair value.

[8] Includes $23 million and $24 million of loans carried at fair value at June 30, 2011 and December 31, 2010, respectively.

[9] Excludes $4.5 billion at both June 30, 2011 and December 31, 2010 of federally guaranteed residential loans. At both June 30, 2011 and December 31, 2010, the vast majority of these loans had FICO scores of 700 and above.

[10] Excludes $425 million and $413 million as of June 30, 2011 and December 31, 2010, respectively, of private-label student loans with third party insurance. At both June 30, 2011 and December 31, 2010, the vast majority of these loans had FICO scores of 700 and above.