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Commitments, Contingencies, Guarantees, and Others (Tables) | 3 Months Ended
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Mar. 31, 2021
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Letter of Credit and Other Loan Commitments | The following table presents the contractual amount and carrying value of our unfunded lending commitments as of March 31, 2021 and December 31, 2020. The carrying value represents our reserve and deferred revenue on legally binding commitments. Table 13.1: Unfunded Lending Commitments
|  | Contractual Amount |  | Carrying Value
(Dollars in millions) |  | March 31, 2021 |  | December 31, 2020 |  | March 31, 2021 |  | December 31, 2020
Credit card lines |  | $ | 354,055 |  |  | $ | 349,594 |  |  | N/A |  | N/A
Other loan commitments(1) |  | 36,990 |  |  | 35,836 |  |  | $ | 138 |  |  | $ | 144 |
Standby letters of credit and commercial letters of credit(2) |  | 1,265 |  |  | 1,302 |  |  | 30 |  |  | 32 |
Total unfunded lending commitments |  | $ | 392,310 |  |  | $ | 386,732 |  |  | $ | 168 |  |  | $ | 176 |
__________ (1)Includes $2.1 billion and $1.8 billion of advised lines of credit as of March 31, 2021 and December 31, 2020, respectively. (2)These financial guarantees have expiration dates ranging from 2021 to 2023 as of March 31, 2021.

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