Consolidated Balance Sheets - USD ($) shares in Thousands, $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Deposits	$ 57,085	$ 54,101
Held-to-maturity, fair value	$ 597
Preferred stock, authorized shares	4,400	4,400
Common stock, authorized shares	350,000	350,000
Common stock, outstanding shares	165,057
Trading account, at fair value	$ 182	$ 106
Loans held for sale	129	93
Loans and Leases Receivable, Net of Deferred Income	48,709	46,714
Federal funds and other short-term borrowings	2,053	5,653
Long-term debt (less fair value hedges)	1,723	724
Preferred Stock, Value, Issued	566	566
ASSETS
Cash and due from banks	705	614
Money market investments:
Interest-bearing deposits	743	619
Federal funds sold and security resell agreements	484	1,461
Investment securities:
Available-for-sale, at fair value	13,725	14,737
Trading account, at fair value	182	106
Total Investment Securities	14,499	15,617
Loans held for sale	129	93
Loans, net of allowance
Loans and leases, net of unearned income and fees	48,709	46,714
Less allowance for loan losses	495	495
Loans, net of allowance	48,214	46,219
Other noninterest-bearing investments	898	1,046
Premises, equipment and software net	1,142	1,124
Goodwill and intangibles	1,014	1,015
Other real estate owned	8	4
Other assets	1,336	934
Total assets	69,172	68,746
LIABILITIES AND SHAREHOLDERS' EQUITY
Noninterest-bearing demand	23,576	23,645
Interest-bearing:
Savings and Money Market	28,790	26,120
Time	4,719
Federal funds and other short-term borrowings	2,053	5,653
Long-term debt	1,723	724
Reserve for unfunded lending commitments	59	57
Other liabilities	899	633
Total liabilities	61,819	61,168
Shareholders' equity:
Preferred stock, without par value, authorized 4,400 shares	566	566
Additional Paid in Capital	2,735	3,806
Retained earnings	4,009	3,456
Accumulated Other Comprehensive Income (Loss)	(43)	250
Total shareholders' equity	7,353	7,578
Total liabilities and shareholders' equity	69,172	68,746
Level 2 [Member]
Trading account, at fair value	117	92
Long-term debt (less fair value hedges)	1,723	724
Investment securities:
Held-to-maturity, at adjusted cost (approximate fair value $767 and $762)	592	774
Trading account, at fair value	117	92
Interest-bearing:
Time	4,719	4,336
Long-term debt	1,723	724
Estimate of Fair Value Measurement [Member] | Level 2 [Member]
Held-to-maturity, fair value	597	767
Long-term debt (less fair value hedges)	1,751	727
Interest-bearing:
Time	4,725	4,319
Long-term debt	$ 1,751	$ 727