Variable Interest Entities - Classifications of Consolidated VIE Assets, Liabilities and Noncontrolling Interest Included in the Bancorp's Consolidated Balance Sheets (Details) - USD ($) $ in Millions		Mar. 31, 2023		Dec. 31, 2022		Mar. 31, 2022	Dec. 31, 2021
Assets
Other short-term investments	[1]	$ 9,794		$ 8,351
ALLL		(2,215)	[1]	(2,194)	[1]	$ (1,908)	$ (1,892)
Other assets	[1]	12,880		13,459
Total Assets		208,657		207,452
Liabilities
Other liabilities	[1]	5,307		5,881
Long-term debt	[1]	12,893		13,714
Total Liabilities		190,293		190,125
Variable Interest Entity, Primary Beneficiary | Automobile And Solar Loan
Assets
Other short-term investments		5		17
Indirect secured consumer loans		0		141
Other consumer loans		44		44
ALLL		(1)		(2)
Other assets		0		2
Total Assets		48		202
Liabilities
Other liabilities		9		9
Long-term debt		38		118
Total Liabilities		$ 47		$ 127

[1] Includes $5 and $17 of other short-term investments, $44 and $185 of portfolio loans and leases, $(1) and $(2) of ALLL, $0 and $2 of other assets, $9 and $9 of other liabilities, and $38 and $118 of long-term debt from consolidated VIEs that are included in their respective captions above at March 31, 2023 and December 31, 2022, respectively. For further information, refer to Note 12.