Deposits and Borrowings - Maturity Profile of Borrowings (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Time Deposits, Fiscal Year Maturity:
2020	$ 28,186
2021	7,734
2022	5,153
2023	1,661
2024	2,114
Thereafter	110
Total	44,958
Debt Fiscal Year Maturity:
Short-term borrowings	7,314	$ 9,402
Total, Fiscal Year Maturity:
2020	45,353
2021	15,088
2022	15,434
2023	7,063
2024	7,698
Thereafter	10,019
Total	100,655
Securitized debt obligations
Debt Fiscal Year Maturity:
2020	5,433
2021	2,323
2022	6,226
2023	1,105
2024	1,151
Thereafter	1,570
Long-term Debt	17,808	18,307
Senior and subordinated notes
Debt Fiscal Year Maturity:
2020	4,398
2021	5,011
2022	4,035
2023	4,279
2024	4,428
Thereafter	8,321
Long-term Debt	30,472	30,826
Other borrowings
Debt Fiscal Year Maturity:
2020	7,022
2021	20
2022	20
2023	18
2024	5
Thereafter	18
Long-term Debt	7,103
Federal funds purchased and securities loaned or sold under agreements to repurchase
Debt Fiscal Year Maturity:
Short-term debt, maturities, next 12 months	314
Short-term borrowings	$ 314	$ 352

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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