Loans and Leases - Total Loans and Leases Managed by the Bancorp and Net Charge-Offs (Recoveries) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together
Carrying Value		$ 122,487	$ 116,465
Loans and leases held for sale	[1]	1,007	4,415
Total portfolio loans and leases	[2],[3]	121,480	112,050
90 Days Past Due and Still Accruing		40	117
Net Charge-Offs (Recoveries)		227	174
Residential mortgage loans
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together
Carrying Value		18,562	20,791
90 Days Past Due and Still Accruing		7	72
Net Charge-Offs (Recoveries)		(2)	(4)
Commercial
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together
Total portfolio loans and leases		76,389	70,268
Commercial | Commercial and industrial loans
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together
Carrying Value		57,305	51,666
90 Days Past Due and Still Accruing		11	17
Net Charge-Offs (Recoveries)		96	60
Commercial | Commercial mortgage loans
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together
Carrying Value		11,020	10,329
90 Days Past Due and Still Accruing		0	1
Net Charge-Offs (Recoveries)		(1)	8
Commercial | Commercial construction loans
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together
Carrying Value		5,433	5,241
90 Days Past Due and Still Accruing		0	1
Net Charge-Offs (Recoveries)		2	0
Commercial | Commercial leases
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together
Carrying Value		2,704	3,053
90 Days Past Due and Still Accruing		2	0
Net Charge-Offs (Recoveries)		4	(1)
Consumer
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together
Total portfolio loans and leases		45,091	41,782
Consumer | Home equity
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together
Carrying Value		4,039	4,084
90 Days Past Due and Still Accruing		1	1
Net Charge-Offs (Recoveries)		(2)	(4)
Consumer | Indirect secured consumer loans
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together
Carrying Value		16,552	16,783
90 Days Past Due and Still Accruing		0	9
Net Charge-Offs (Recoveries)		36	14
Consumer | Credit card
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together
Carrying Value		1,874	1,766
90 Days Past Due and Still Accruing		18	15
Net Charge-Offs (Recoveries)		52	70
Consumer | Other consumer loans:
Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together
Carrying Value		4,998	2,752
90 Days Past Due and Still Accruing		1	1
Net Charge-Offs (Recoveries)		$ 42	$ 31

[1] Includes $600 and $1,023 of residential mortgage loans held for sale measured at fair value at December 31, 2022 and 2021, respectively.

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

[3] 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.