Credit Quality and the Allowance for Loan and Lease Losses - Summary of the Credit Risk Profile of the Bancorp's Commercial Portfolio Segment by Class (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Financing Receivable, Modifications
Portfolio loans and leases, net	$ 116,809	$ 110,158
Commercial
Financing Receivable, Modifications
Year One	4,211	7,407
Year Two	6,645	4,612
Year Three	3,280	2,684
Year Four	2,059	1,554
Year Five	1,242	1,021
Prior	2,549	2,379
Revolving Loans	55,064	50,611
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	75,050	70,268
Commercial \| Pass
Financing Receivable, Modifications
Year One	4,031	7,052
Year Two	6,235	4,333
Year Three	3,083	2,559
Year Four	1,835	1,400
Year Five	1,117	913
Prior	2,192	2,170
Revolving Loans	51,628	47,092
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	70,121	65,519
Commercial \| Special mention
Financing Receivable, Modifications
Year One	34	130
Year Two	186	108
Year Three	81	74
Year Four	154	60
Year Five	78	31
Prior	86	62
Revolving Loans	1,146	1,089
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	1,765	1,554
Commercial \| Substandard
Financing Receivable, Modifications
Year One	146	225
Year Two	224	171
Year Three	116	51
Year Four	70	94
Year Five	47	77
Prior	271	147
Revolving Loans	2,270	2,430
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	3,144	3,195
Commercial \| Doubtful
Financing Receivable, Modifications
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Revolving Loans	20	0
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	20	0
Commercial \| Commercial and industrial loans
Financing Receivable, Modifications
Year One	2,355	4,322
Year Two	4,105	2,365
Year Three	1,542	1,246
Year Four	826	650
Year Five	461	430
Prior	892	872
Revolving Loans	45,914	41,774
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	56,095	51,659
Commercial \| Commercial and industrial loans \| Pass
Financing Receivable, Modifications
Year One	2,282	4,266
Year Two	4,003	2,291
Year Three	1,443	1,198
Year Four	717	552
Year Five	407	356
Prior	680	752
Revolving Loans	43,532	39,486
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	53,064	48,901
Commercial \| Commercial and industrial loans \| Special mention
Financing Receivable, Modifications
Year One	21	37
Year Two	41	22
Year Three	53	12
Year Four	90	29
Year Five	44	22
Prior	24	5
Revolving Loans	680	665
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	953	792
Commercial \| Commercial and industrial loans \| Substandard
Financing Receivable, Modifications
Year One	52	19
Year Two	61	52
Year Three	46	36
Year Four	19	69
Year Five	10	52
Prior	188	115
Revolving Loans	1,682	1,623
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	2,058	1,966
Commercial \| Commercial and industrial loans \| Doubtful
Financing Receivable, Modifications
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Revolving Loans	20	0
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	20	0
Commercial \| Commercial mortgage owner-occupied loans
Financing Receivable, Modifications
Year One	765	1,104
Year Two	987	873
Year Three	665	520
Year Four	391	325
Year Five	265	188
Prior	432	398
Revolving Loans	1,558	1,301
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	5,063	4,709
Commercial \| Commercial mortgage owner-occupied loans \| Pass
Financing Receivable, Modifications
Year One	738	1,082
Year Two	926	804
Year Three	597	471
Year Four	302	296
Year Five	228	183
Prior	373	331
Revolving Loans	1,394	1,141
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	4,558	4,308
Commercial \| Commercial mortgage owner-occupied loans \| Special mention
Financing Receivable, Modifications
Year One	9	0
Year Two	54	31
Year Three	19	46
Year Four	50	17
Year Five	15	2
Prior	4	40
Revolving Loans	77	69
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	228	205
Commercial \| Commercial mortgage owner-occupied loans \| Substandard
Financing Receivable, Modifications
Year One	18	22
Year Two	7	38
Year Three	49	3
Year Four	39	12
Year Five	22	3
Prior	55	27
Revolving Loans	87	91
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	277	196
Commercial \| Commercial mortgage owner-occupied loans \| Doubtful
Financing Receivable, Modifications
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	0	0
Commercial \| Commercial mortgage nonowner-occupied loans
Financing Receivable, Modifications
Year One	773	884
Year Two	710	823
Year Three	607	610
Year Four	580	292
Year Five	264	157
Prior	282	314
Revolving Loans	2,469	2,527
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	5,685	5,607
Commercial \| Commercial mortgage nonowner-occupied loans \| Pass
Financing Receivable, Modifications
Year One	693	635
Year Two	488	733
Year Three	587	595
Year Four	569	284
Year Five	261	141
Prior	257	302
Revolving Loans	2,046	1,977
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	4,901	4,667
Commercial \| Commercial mortgage nonowner-occupied loans \| Special mention
Financing Receivable, Modifications
Year One	4	89
Year Two	72	12
Year Three	2	11
Year Four	7	5
Year Five	0	7
Prior	15	9
Revolving Loans	212	162
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	312	295
Commercial \| Commercial mortgage nonowner-occupied loans \| Substandard
Financing Receivable, Modifications
Year One	76	160
Year Two	150	78
Year Three	18	4
Year Four	4	3
Year Five	3	9
Prior	10	3
Revolving Loans	211	388
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	472	645
Commercial \| Commercial mortgage nonowner-occupied loans \| Doubtful
Financing Receivable, Modifications
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	0	0
Commercial \| Commercial construction loans
Financing Receivable, Modifications
Year One	60	67
Year Two	24	108
Year Three	93	11
Year Four	12	37
Year Five	36	0
Prior	9	9
Revolving Loans	5,123	5,009
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	5,357	5,241
Commercial \| Commercial construction loans \| Pass
Financing Receivable, Modifications
Year One	60	50
Year Two	24	69
Year Three	93	11
Year Four	12	37
Year Five	36	0
Prior	7	9
Revolving Loans	4,656	4,488
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	4,888	4,664
Commercial \| Commercial construction loans \| Special mention
Financing Receivable, Modifications
Year One	0	0
Year Two	0	39
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Revolving Loans	177	193
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	177	232
Commercial \| Commercial construction loans \| Substandard
Financing Receivable, Modifications
Year One	0	17
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	2	0
Revolving Loans	290	328
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	292	345
Commercial \| Commercial construction loans \| Doubtful
Financing Receivable, Modifications
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	0	0
Commercial \| Commercial leases
Financing Receivable, Modifications
Year One	258	1,030
Year Two	819	443
Year Three	373	297
Year Four	250	250
Year Five	216	246
Prior	934	786
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	2,850	3,052
Commercial \| Commercial leases \| Pass
Financing Receivable, Modifications
Year One	258	1,019
Year Two	794	436
Year Three	363	284
Year Four	235	231
Year Five	185	233
Prior	875	776
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	2,710	2,979
Commercial \| Commercial leases \| Special mention
Financing Receivable, Modifications
Year One	0	4
Year Two	19	4
Year Three	7	5
Year Four	7	9
Year Five	19	0
Prior	43	8
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	95	30
Commercial \| Commercial leases \| Substandard
Financing Receivable, Modifications
Year One	0	7
Year Two	6	3
Year Three	3	8
Year Four	8	10
Year Five	12	13
Prior	16	2
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	45	43
Commercial \| Commercial leases \| Doubtful
Financing Receivable, Modifications
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	$ 0	$ 0

Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

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Amortized cost excluding accrued interest, of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease.

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Amortized cost excluding accrued interest, of financing receivable that can be withdrawn, repaid, and redrawn.

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Amortized cost excluding accrued interest, of financing receivable originated four years prior to current fiscal year. Excludes net investment in lease.

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Amortized cost excluding accrued interest, of financing receivable originated three years prior to current fiscal year. Excludes net investment in lease.

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