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	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Modifications
Portfolio loans and leases, net	$ 120,642	$ 119,286
Commercial
Financing Receivable, Modifications
Year One	1,700	7,198
Year Two	7,444	5,338
Year Three	4,745	2,734
Year Four	2,499	1,455
Year Five	1,377	900
Prior	2,465	1,876
Revolving Loans	57,009	56,888
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	77,239	76,389
Commercial \| Pass
Financing Receivable, Modifications
Year One	1,495	6,795
Year Two	7,158	5,081
Year Three	4,511	2,405
Year Four	2,203	1,299
Year Five	1,237	830
Prior	2,195	1,625
Revolving Loans	53,367	53,282
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	72,166	71,317
Commercial \| Special mention
Financing Receivable, Modifications
Year One	66	83
Year Two	61	127
Year Three	114	56
Year Four	41	52
Year Five	40	30
Prior	66	68
Revolving Loans	1,722	1,658
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	2,110	2,074
Commercial \| Substandard
Financing Receivable, Modifications
Year One	139	320
Year Two	225	130
Year Three	118	273
Year Four	255	104
Year Five	100	40
Prior	204	183
Revolving Loans	1,907	1,948
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	2,948	2,998
Commercial \| Doubtful
Financing Receivable, Modifications
Year One	0	0
Year Two	0	0
Year Three	2	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Revolving Loans	13	0
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	15	0
Commercial \| Commercial and industrial loans
Financing Receivable, Modifications
Year One	888	4,040
Year Two	4,529	3,199
Year Three	2,744	1,242
Year Four	1,111	507
Year Five	463	286
Prior	792	619
Revolving Loans	47,193	47,339
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	57,720	57,232
Commercial \| Commercial and industrial loans \| Pass
Financing Receivable, Modifications
Year One	805	3,825
Year Two	4,364	3,098
Year Three	2,673	994
Year Four	885	445
Year Five	402	269
Prior	648	488
Revolving Loans	44,136	44,521
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	53,913	53,640
Commercial \| Commercial and industrial loans \| Special mention
Financing Receivable, Modifications
Year One	7	65
Year Two	44	24
Year Three	11	15
Year Four	8	36
Year Five	36	10
Prior	36	24
Revolving Loans	1,414	1,221
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	1,556	1,395
Commercial \| Commercial and industrial loans \| Substandard
Financing Receivable, Modifications
Year One	76	150
Year Two	121	77
Year Three	58	233
Year Four	218	26
Year Five	25	7
Prior	108	107
Revolving Loans	1,630	1,597
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	2,236	2,197
Commercial \| Commercial and industrial loans \| Doubtful
Financing Receivable, Modifications
Year One	0	0
Year Two	0	0
Year Three	2	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Revolving Loans	13	0
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	15	0
Commercial \| Commercial mortgage owner-occupied loans
Financing Receivable, Modifications
Year One	277	1,245
Year Two	1,173	855
Year Three	804	555
Year Four	497	342
Year Five	321	184
Prior	418	291
Revolving Loans	1,905	1,786
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	5,395	5,258
Commercial \| Commercial mortgage owner-occupied loans \| Pass
Financing Receivable, Modifications
Year One	240	1,177
Year Two	1,139	826
Year Three	754	522
Year Four	477	257
Year Five	248	160
Prior	369	264
Revolving Loans	1,743	1,624
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	4,970	4,830
Commercial \| Commercial mortgage owner-occupied loans \| Special mention
Financing Receivable, Modifications
Year One	12	17
Year Two	14	15
Year Three	29	13
Year Four	3	12
Year Five	2	13
Prior	12	2
Revolving Loans	22	56
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	94	128
Commercial \| Commercial mortgage owner-occupied loans \| Substandard
Financing Receivable, Modifications
Year One	25	51
Year Two	20	14
Year Three	21	20
Year Four	17	73
Year Five	71	11
Prior	37	25
Revolving Loans	140	106
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	331	300
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	239	1,193
Year Two	1,117	565
Year Three	503	534
Year Four	518	398
Year Five	394	221
Prior	364	210
Revolving Loans	2,698	2,641
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	5,833	5,762
Commercial \| Commercial mortgage nonowner-occupied loans \| Pass
Financing Receivable, Modifications
Year One	165	1,127
Year Two	1,087	462
Year Three	447	490
Year Four	474	397
Year Five	393	220
Prior	345	170
Revolving Loans	2,508	2,453
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	5,419	5,319
Commercial \| Commercial mortgage nonowner-occupied loans \| Special mention
Financing Receivable, Modifications
Year One	47	1
Year Two	0	84
Year Three	32	26
Year Four	26	0
Year Five	0	0
Prior	2	23
Revolving Loans	139	88
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	246	222
Commercial \| Commercial mortgage nonowner-occupied loans \| Substandard
Financing Receivable, Modifications
Year One	27	65
Year Two	30	19
Year Three	24	18
Year Four	18	1
Year Five	1	1
Prior	17	17
Revolving Loans	51	100
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	168	221
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	18	135
Year Two	122	31
Year Three	64	93
Year Four	87	8
Year Five	8	35
Prior	36	9
Revolving Loans	5,213	5,122
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	5,548	5,433
Commercial \| Commercial construction loans \| Pass
Financing Receivable, Modifications
Year One	14	82
Year Two	73	31
Year Three	31	93
Year Four	87	8
Year Five	8	35
Prior	34	7
Revolving Loans	4,980	4,684
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	5,227	4,940
Commercial \| Commercial construction loans \| Special mention
Financing Receivable, Modifications
Year One	0	0
Year Two	0	0
Year Three	33	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Revolving Loans	147	293
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	180	293
Commercial \| Commercial construction loans \| Substandard
Financing Receivable, Modifications
Year One	4	53
Year Two	49	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	2	2
Revolving Loans	86	145
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	141	200
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	278	585
Year Two	503	688
Year Three	630	310
Year Four	286	200
Year Five	191	174
Prior	855	747
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	2,743	2,704
Commercial \| Commercial leases \| Pass
Financing Receivable, Modifications
Year One	271	584
Year Two	495	664
Year Three	606	306
Year Four	280	192
Year Five	186	146
Prior	799	696
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	2,637	2,588
Commercial \| Commercial leases \| Special mention
Financing Receivable, Modifications
Year One	0	0
Year Two	3	4
Year Three	9	2
Year Four	4	4
Year Five	2	7
Prior	16	19
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	34	36
Commercial \| Commercial leases \| Substandard
Financing Receivable, Modifications
Year One	7	1
Year Two	5	20
Year Three	15	2
Year Four	2	4
Year Five	3	21
Prior	40	32
Revolving Loans	0	0
Revolving Loans Converted to Term Loans	0	0
Portfolio loans and leases, net	72	80
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.

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