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		Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Modifications
Total	[1],[2]	$ 121,480	$ 112,050
Commercial
Financing Receivable, Modifications
Year One		7,198	7,407
Year Two		5,338	4,612
Year Three		2,734	2,684
Year Four		1,455	1,554
Year Five		900	1,021
Prior		1,876	2,379
Revolving Loans		56,888	50,611
Revolving Loans Converted to Term Loans		0	0
Total		76,389	70,268
Commercial | Pass
Financing Receivable, Modifications
Year One		6,795	7,052
Year Two		5,081	4,333
Year Three		2,405	2,559
Year Four		1,299	1,400
Year Five		830	913
Prior		1,625	2,170
Revolving Loans		53,282	47,092
Revolving Loans Converted to Term Loans		0	0
Total		71,317	65,519
Commercial | Special mention
Financing Receivable, Modifications
Year One		83	130
Year Two		127	108
Year Three		56	74
Year Four		52	60
Year Five		30	31
Prior		68	62
Revolving Loans		1,658	1,089
Revolving Loans Converted to Term Loans		0	0
Total		2,074	1,554
Commercial | Substandard
Financing Receivable, Modifications
Year One		320	225
Year Two		130	171
Year Three		273	51
Year Four		104	94
Year Five		40	77
Prior		183	147
Revolving Loans		1,948	2,430
Revolving Loans Converted to Term Loans		0	0
Total		2,998	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		0	0
Revolving Loans Converted to Term Loans		0	0
Total		0	0
Commercial | Commercial and industrial loans
Financing Receivable, Modifications
Year One		4,040	4,322
Year Two		3,199	2,365
Year Three		1,242	1,246
Year Four		507	650
Year Five		286	430
Prior		619	872
Revolving Loans		47,339	41,774
Revolving Loans Converted to Term Loans		0	0
Total		57,232	51,659
Commercial | Commercial and industrial loans | Pass
Financing Receivable, Modifications
Year One		3,825	4,266
Year Two		3,098	2,291
Year Three		994	1,198
Year Four		445	552
Year Five		269	356
Prior		488	752
Revolving Loans		44,521	39,486
Revolving Loans Converted to Term Loans		0	0
Total		53,640	48,901
Commercial | Commercial and industrial loans | Special mention
Financing Receivable, Modifications
Year One		65	37
Year Two		24	22
Year Three		15	12
Year Four		36	29
Year Five		10	22
Prior		24	5
Revolving Loans		1,221	665
Revolving Loans Converted to Term Loans		0	0
Total		1,395	792
Commercial | Commercial and industrial loans | Substandard
Financing Receivable, Modifications
Year One		150	19
Year Two		77	52
Year Three		233	36
Year Four		26	69
Year Five		7	52
Prior		107	115
Revolving Loans		1,597	1,623
Revolving Loans Converted to Term Loans		0	0
Total		2,197	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		0	0
Revolving Loans Converted to Term Loans		0	0
Total		0	0
Commercial | Commercial mortgage owner-occupied loans
Financing Receivable, Modifications
Year One		1,245	1,104
Year Two		855	873
Year Three		555	520
Year Four		342	325
Year Five		184	188
Prior		291	398
Revolving Loans		1,786	1,301
Revolving Loans Converted to Term Loans		0	0
Total		5,258	4,709
Commercial | Commercial mortgage owner-occupied loans | Pass
Financing Receivable, Modifications
Year One		1,177	1,082
Year Two		826	804
Year Three		522	471
Year Four		257	296
Year Five		160	183
Prior		264	331
Revolving Loans		1,624	1,141
Revolving Loans Converted to Term Loans		0	0
Total		4,830	4,308
Commercial | Commercial mortgage owner-occupied loans | Special mention
Financing Receivable, Modifications
Year One		17	0
Year Two		15	31
Year Three		13	46
Year Four		12	17
Year Five		13	2
Prior		2	40
Revolving Loans		56	69
Revolving Loans Converted to Term Loans		0	0
Total		128	205
Commercial | Commercial mortgage owner-occupied loans | Substandard
Financing Receivable, Modifications
Year One		51	22
Year Two		14	38
Year Three		20	3
Year Four		73	12
Year Five		11	3
Prior		25	27
Revolving Loans		106	91
Revolving Loans Converted to Term Loans		0	0
Total		300	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
Total		0	0
Commercial | Commercial mortgage nonowner-occupied loans
Financing Receivable, Modifications
Year One		1,193	884
Year Two		565	823
Year Three		534	610
Year Four		398	292
Year Five		221	157
Prior		210	314
Revolving Loans		2,641	2,527
Revolving Loans Converted to Term Loans		0	0
Total		5,762	5,607
Commercial | Commercial mortgage nonowner-occupied loans | Pass
Financing Receivable, Modifications
Year One		1,127	635
Year Two		462	733
Year Three		490	595
Year Four		397	284
Year Five		220	141
Prior		170	302
Revolving Loans		2,453	1,977
Revolving Loans Converted to Term Loans		0	0
Total		5,319	4,667
Commercial | Commercial mortgage nonowner-occupied loans | Special mention
Financing Receivable, Modifications
Year One		1	89
Year Two		84	12
Year Three		26	11
Year Four		0	5
Year Five		0	7
Prior		23	9
Revolving Loans		88	162
Revolving Loans Converted to Term Loans		0	0
Total		222	295
Commercial | Commercial mortgage nonowner-occupied loans | Substandard
Financing Receivable, Modifications
Year One		65	160
Year Two		19	78
Year Three		18	4
Year Four		1	3
Year Five		1	9
Prior		17	3
Revolving Loans		100	388
Revolving Loans Converted to Term Loans		0	0
Total		221	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
Total		0	0
Commercial | Commercial construction loans
Financing Receivable, Modifications
Year One		135	67
Year Two		31	108
Year Three		93	11
Year Four		8	37
Year Five		35	0
Prior		9	9
Revolving Loans		5,122	5,009
Revolving Loans Converted to Term Loans		0	0
Total		5,433	5,241
Commercial | Commercial construction loans | Pass
Financing Receivable, Modifications
Year One		82	50
Year Two		31	69
Year Three		93	11
Year Four		8	37
Year Five		35	0
Prior		7	9
Revolving Loans		4,684	4,488
Revolving Loans Converted to Term Loans		0	0
Total		4,940	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		293	193
Revolving Loans Converted to Term Loans		0	0
Total		293	232
Commercial | Commercial construction loans | Substandard
Financing Receivable, Modifications
Year One		53	17
Year Two		0	0
Year Three		0	0
Year Four		0	0
Year Five		0	0
Prior		2	0
Revolving Loans		145	328
Revolving Loans Converted to Term Loans		0	0
Total		200	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
Total		0	0
Commercial | Commercial leases
Financing Receivable, Modifications
Year One		585	1,030
Year Two		688	443
Year Three		310	297
Year Four		200	250
Year Five		174	246
Prior		747	786
Revolving Loans		0	0
Revolving Loans Converted to Term Loans		0	0
Total		2,704	3,052
Commercial | Commercial leases | Pass
Financing Receivable, Modifications
Year One		584	1,019
Year Two		664	436
Year Three		306	284
Year Four		192	231
Year Five		146	233
Prior		696	776
Revolving Loans		0	0
Revolving Loans Converted to Term Loans		0	0
Total		2,588	2,979
Commercial | Commercial leases | Special mention
Financing Receivable, Modifications
Year One		0	4
Year Two		4	4
Year Three		2	5
Year Four		4	9
Year Five		7	0
Prior		19	8
Revolving Loans		0	0
Revolving Loans Converted to Term Loans		0	0
Total		36	30
Commercial | Commercial leases | Substandard
Financing Receivable, Modifications
Year One		1	7
Year Two		20	3
Year Three		2	8
Year Four		4	10
Year Five		21	13
Prior		32	2
Revolving Loans		0	0
Revolving Loans Converted to Term Loans		0	0
Total		80	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
Total		$ 0	$ 0

[1] Includes $123 and $154 of residential mortgage loans measured at fair value at December 31, 2022 and 2021, respectively.

[2] Includes $17 and $24 of other short-term investments, $185 and $322 of portfolio loans and leases, $(2) and $(2) of ALLL, $2 and $2 of other assets, $9 and $1 of other liabilities and $118 and $263 of long-term debt from consolidated VIEs that are included in their respective captions above at December 31, 2022 and 2021, respectively. For further information, refer to Note 12.