Summarizes the Bancorp's Recorded Investment in Portfolio Loans and Leases by Age and Class (Detail) (USD $) In Millions	Jun. 30, 2011		Dec. 31, 2010
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans and Leases	$ 75,974	[1]	$ 75,221	[2]
30-89 Days Past Due	520	[1]	791	[2]
90 Days and Greater	1,414	[1],[3]	1,433	[2],[3]
Total Past Due	1,934	[1]	2,224	[2]
Total Loans and Leases	77,908	[1],[4]	77,445	[2],[5]
90-Days past Due and Still Accruing	279	[1]	274	[2]
Commercial Portfolio Segment
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans and Leases	43,436	[4]	43,462	[5]
Commercial Portfolio Segment | Commercial and Industrial Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans and Leases	27,737		26,687
30-89 Days Past Due	70		201
90 Days and Greater	292	[3]	303	[3]
Total Past Due	362		504
Total Loans and Leases	28,099		27,191
90-Days past Due and Still Accruing	7		16
Commercial Portfolio Segment | Commercial Mortgage Loans, Owner Occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans and Leases	5,064		5,151
30-89 Days Past Due	41		50
90 Days and Greater	124	[3]	139	[3]
Total Past Due	165		189
Total Loans and Leases	5,229		5,340
90-Days past Due and Still Accruing	8		8
Commercial Portfolio Segment | Commercial Mortgage Loans, Non Owner Occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans and Leases	4,746		5,252
30-89 Days Past Due	37		38
90 Days and Greater	221	[3]	215	[3]
Total Past Due	258		253
Total Loans and Leases	5,004		5,505
90-Days past Due and Still Accruing	4		3
Commercial Portfolio Segment | Commercial Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans and Leases	1,556		1,831
30-89 Days Past Due	40		72
90 Days and Greater	182	[3]	145	[3]
Total Past Due	222		217
Total Loans and Leases	1,778		2,048
90-Days past Due and Still Accruing	48		3
Commercial Portfolio Segment | Commercial Leases
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans and Leases	3,314		3,361
30-89 Days Past Due	3		10
90 Days and Greater	9	[3]	7	[3]
Total Past Due	12		17
Total Loans and Leases	3,326		3,378
90-Days past Due and Still Accruing	1
Residential Mortgage
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans and Leases	9,334	[1],[6]	8,404	[2],[7]
30-89 Days Past Due	102	[1],[6]	138	[2],[7]
90 Days and Greater	354	[1],[3],[6]	368	[2],[3],[7]
Total Past Due	456	[1],[6]	506	[2],[7]
Total Loans and Leases	9,790	[1],[6]	8,910	[2],[7]
90-Days past Due and Still Accruing	87	[1],[6]	100	[2],[7]
Consumer Portfolio Segment
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans and Leases	24,682	[4]	25,073	[5]
Consumer Portfolio Segment | Home Equity
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans and Leases	10,775		11,220
30-89 Days Past Due	130		148
90 Days and Greater	143	[3]	145	[3]
Total Past Due	273		293
Total Loans and Leases	11,048		11,513
90-Days past Due and Still Accruing	84		89
Consumer Portfolio Segment | Automobile Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans and Leases	11,234		10,872
30-89 Days Past Due	68		96
90 Days and Greater	13	[3]	15	[3]
Total Past Due	81		111
Total Loans and Leases	11,315		10,983
90-Days past Due and Still Accruing	10		13
Consumer Portfolio Segment | Credit Card
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans and Leases	1,755		1,771
30-89 Days Past Due	28		35
90 Days and Greater	73	[3]	90	[3]
Total Past Due	101		125
Total Loans and Leases	1,856		1,896
90-Days past Due and Still Accruing	30		42
Consumer Portfolio Segment | Consumer Other Financing Receivable
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans and Leases	459		672
30-89 Days Past Due	1		3
90 Days and Greater	3	[3]	6	[3]
Total Past Due	4		9
Total Loans and Leases	$ 463		$ 681

[1] Excludes $59 of loans measured at fair value.

[2] Excludes $46 of loans measured at fair value.

[3] Includes accrual and nonaccrual loans and leases.

[4] Excludes $59 of residential mortgage loans measured at fair value, and includes $1,015 of leveraged leases, net of unearned income.

[5] Excludes $46 of residential mortgage loans measured at fair value, and includes $1,039 of leveraged leases, net of unearned income.

[6] Information for current residential mortgage loans includes advances made pursuant to servicing agreements for GNMA mortgage pools whose repayments are insured by the Federal Housing Administration or guaranteed by the Department of Veterans Affairs. As of June 30, 2011, $28 of these loans were 30-89 days past due and $271 were 90 days or more past due.

[7] Information for current residential mortgage loans includes advances made pursuant to servicing agreements for GNMA mortgage pools whose repayments are insured by the Federal Housing Administration or guaranteed by the Department of Veterans Affairs. As of December 31, 2010 $55 of these loans were 30-89 days past due and $284 were 90 days or more past due.