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Short-term Borrowings Short-term Borrowings (Tables) | 12 Months Ended
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Dec. 31, 2021
Short-term Debt [Abstract] |
Summary of Short-term Borrowings | The following table provides a summary of short-term borrowings.
(dollar amounts in millions) | Federal Funds Purchased and Securities Sold Under Agreements to Repurchase |  | Other Short-term Borrowings
December 31, 2021 |  |  |
Amount outstanding at year-end | $ | — |  |  | $ | — |
Weighted average interest rate at year-end | — | % |  | — | %
Maximum month-end balance during the year | $ | 2 |  |  | $ | — |
Average balance outstanding during the year | 2 |  |  | — |
Weighted average interest rate during the year | 0.06 | % |  | — | %
December 31, 2020 |  |  |
Amount outstanding at year-end | $ | — |  |  | $ | — |
Weighted average interest rate at year-end | — | % |  | — | %
Maximum month-end balance during the year | $ | 1,513 |  |  | $ | 1,250 |
Average balance outstanding during the year | 30 |  |  | 284 |
Weighted average interest rate during the year | 0.97 | % |  | 0.25 | %
December 31, 2019 |  |  |
Amount outstanding at year-end | $ | 71 |  |  | $ | — |
Weighted average interest rate at year-end | 1.50 | % |  | — | %
Maximum month-end balance during the year | $ | 835 |  |  | $ | 1,200 |
Average balance outstanding during the year | 113 |  |  | 256 |
Weighted average interest rate during the year | 2.28 | % |  | 2.44 | %

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- Definition Tabular disclosure of short-term debt arrangements (having initial terms of repayment within one year or the normal operating cycle, if longer) including: (1) description of the short-term debt arrangement; (2) identification of the lender or type of lender; (3) repayment terms; (4) weighted average interest rate; (5) carrying amount of funds borrowed under the specified short-term debt arrangement as of the balance sheet date; (6) description of the refinancing of a short-term obligation when that obligation is excluded from current liabilities in the balance sheet; and (7) amount of a short-term obligation that has been excluded from current liabilities in the balance sheet because of a refinancing of the obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- References No definition available. + Details
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