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	Sep. 30, 2022	Dec. 31, 2021
Financing Receivable, Modifications
Portfolio loans and leases, net	$ 117,900	$ 110,158
Commercial
Financing Receivable, Modifications
Year One	5,817	7,407
Year Two	5,949	4,612
Year Three	3,032	2,684
Year Four	1,740	1,554
Year Five	1,067	1,021
Prior	2,254	2,379
Revolving Loans	55,919	50,611
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	75,778	70,268
Commercial \| Pass
Financing Receivable, Modifications
Year One	5,519	7,052
Year Two	5,584	4,333
Year Three	2,660	2,559
Year Four	1,559	1,400
Year Five	983	913
Prior	1,919	2,170
Revolving Loans	52,489	47,092
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	70,713	65,519
Commercial \| Special mention
Financing Receivable, Modifications
Year One	53	130
Year Two	253	108
Year Three	69	74
Year Four	57	60
Year Five	43	31
Prior	79	62
Revolving Loans	1,411	1,089
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	1,965	1,554
Commercial \| Substandard
Financing Receivable, Modifications
Year One	231	225
Year Two	112	171
Year Three	303	51
Year Four	124	94
Year Five	41	77
Prior	256	147
Revolving Loans	2,013	2,430
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	3,080	3,195
Commercial \| Doubtful
Financing Receivable, Modifications
Year One	14	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Revolving Loans	6	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	3,220	4,322
Year Two	3,642	2,365
Year Three	1,412	1,246
Year Four	635	650
Year Five	366	430
Prior	803	872
Revolving Loans	46,359	41,774
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	56,437	51,659
Commercial \| Commercial and industrial loans \| Pass
Financing Receivable, Modifications
Year One	3,105	4,266
Year Two	3,508	2,291
Year Three	1,145	1,198
Year Four	567	552
Year Five	348	356
Prior	631	752
Revolving Loans	43,715	39,486
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	53,019	48,901
Commercial \| Commercial and industrial loans \| Special mention
Financing Receivable, Modifications
Year One	41	37
Year Two	48	22
Year Three	22	12
Year Four	40	29
Year Five	8	22
Prior	23	5
Revolving Loans	1,072	665
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	1,254	792
Commercial \| Commercial and industrial loans \| Substandard
Financing Receivable, Modifications
Year One	60	19
Year Two	86	52
Year Three	245	36
Year Four	28	69
Year Five	10	52
Prior	149	115
Revolving Loans	1,566	1,623
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	2,144	1,966
Commercial \| Commercial and industrial loans \| Doubtful
Financing Receivable, Modifications
Year One	14	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Revolving Loans	6	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	1,009	1,104
Year Two	929	873
Year Three	619	520
Year Four	378	325
Year Five	220	188
Prior	347	398
Revolving Loans	1,565	1,301
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	5,067	4,709
Commercial \| Commercial mortgage owner-occupied loans \| Pass
Financing Receivable, Modifications
Year One	976	1,082
Year Two	893	804
Year Three	571	471
Year Four	284	296
Year Five	192	183
Prior	304	331
Revolving Loans	1,414	1,141
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	4,634	4,308
Commercial \| Commercial mortgage owner-occupied loans \| Special mention
Financing Receivable, Modifications
Year One	12	0
Year Two	20	31
Year Three	15	46
Year Four	11	17
Year Five	13	2
Prior	5	40
Revolving Loans	52	69
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	128	205
Commercial \| Commercial mortgage owner-occupied loans \| Substandard
Financing Receivable, Modifications
Year One	21	22
Year Two	16	38
Year Three	33	3
Year Four	83	12
Year Five	15	3
Prior	38	27
Revolving Loans	99	91
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	305	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	1,019	884
Year Two	602	823
Year Three	566	610
Year Four	489	292
Year Five	244	157
Prior	240	314
Revolving Loans	2,720	2,527
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	5,880	5,607
Commercial \| Commercial mortgage nonowner-occupied loans \| Pass
Financing Receivable, Modifications
Year One	919	635
Year Two	440	733
Year Three	520	595
Year Four	485	284
Year Five	241	141
Prior	195	302
Revolving Loans	2,465	1,977
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	5,265	4,667
Commercial \| Commercial mortgage nonowner-occupied loans \| Special mention
Financing Receivable, Modifications
Year One	0	89
Year Two	161	12
Year Three	28	11
Year Four	0	5
Year Five	0	7
Prior	28	9
Revolving Loans	136	162
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	353	295
Commercial \| Commercial mortgage nonowner-occupied loans \| Substandard
Financing Receivable, Modifications
Year One	100	160
Year Two	1	78
Year Three	18	4
Year Four	4	3
Year Five	3	9
Prior	17	3
Revolving Loans	119	388
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	262	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	124	67
Year Two	28	108
Year Three	93	11
Year Four	9	37
Year Five	35	0
Prior	9	9
Revolving Loans	5,275	5,009
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	5,573	5,241
Commercial \| Commercial construction loans \| Pass
Financing Receivable, Modifications
Year One	75	50
Year Two	28	69
Year Three	93	11
Year Four	9	37
Year Five	35	0
Prior	7	9
Revolving Loans	4,895	4,488
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	5,142	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	151	193
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	151	232
Commercial \| Commercial construction loans \| Substandard
Financing Receivable, Modifications
Year One	49	17
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	2	0
Revolving Loans	229	328
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	280	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	445	1,030
Year Two	748	443
Year Three	342	297
Year Four	229	250
Year Five	202	246
Prior	855	786
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	2,821	3,052
Commercial \| Commercial leases \| Pass
Financing Receivable, Modifications
Year One	444	1,019
Year Two	715	436
Year Three	331	284
Year Four	214	231
Year Five	167	233
Prior	782	776
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	2,653	2,979
Commercial \| Commercial leases \| Special mention
Financing Receivable, Modifications
Year One	0	4
Year Two	24	4
Year Three	4	5
Year Four	6	9
Year Five	22	0
Prior	23	8
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	79	30
Commercial \| Commercial leases \| Substandard
Financing Receivable, Modifications
Year One	1	7
Year Two	9	3
Year Three	7	8
Year Four	9	10
Year Five	13	13
Prior	50	2
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	89	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 three years prior to current fiscal year. Excludes net investment in lease.

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