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Other Non-Interest Income and Expense (Other Non-Interest Income) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Bank Owned Life Insurance Income |  |  | $ 62 |  | $ 82 |  | $ 95 |
Investment Services Fee Income |  |  | 122 |  | 104 |  | 84 |
Commercial Credit Fee Income |  |  | 96 |  | 91 |  | 77 |
Market value adjustments on employee benefit assets - other |  |  | (45) |  | 20 |  | 12 |
Insurance proceeds |  | $ 50 | 50 | [1] | 0 | [1] | 0 | [1]
Unrealized Gain (Loss) on Investments | [2] |  | 0 |  | 3 |  | 50 |
Other Miscellaneous Income |  |  | 199 |  | 223 |  | 151 |
Total Noninterest Income |  |  | 2,429 |  | 2,524 |  | 2,393 |
Other [Member] |  |  |  |  |  |  |  |
Total Noninterest Income |  |  | $ 484 |  | $ 523 |  | $ 469 |
[1] | In the third quarter of 2022, the Company settled a previously disclosed matter with the CFPB. The Company received an insurance reimbursement related to the settlement in the fourth quarter of 2022.
[2] | The 2021 amount is a gain on the sale of an equity investment, whereas the 2020 amount is a valuation gain on the investment that was sold in the first quarter of 2021.

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- Definition Earnings on or other increases in the value of the cash surrender value of bank owned life insurance policies. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13) -URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
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