Other Assets (Details) - USD ($) $ in Millions		Dec. 31, 2020	Dec. 31, 2019
Other Assets [Abstract]
Derivative instruments		$ 2,919	$ 1,673
Accounts receivable and drafts-in-process		2,121	2,278
Bank owned life insurance		2,003	1,960
Partnership investments		1,872	1,729
Accrued interest and fees receivable		486	424
Operating lease right-of-use assets		423	473
Worldpay, Inc. TRA receivable		321	345
Income tax receivable		166	32
Prepaid expenses		129	101
OREO and other repossessed property		30	64
Other		279	111
Total other assets	[1]	$ 10,749	$ 9,190

[1] Includes $55 and $74 of other short-term investments, $756 and $1,354 of portfolio loans and leases, $(7) and $(7) of ALLL, $5 and $8 of other assets, $2 and $2 of other liabilities and $656 and $1,253 of long-term debt from consolidated VIEs that are included in their respective captions above at December 31, 2020 and 2019, respectively. For further information, refer to Note 13.