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Fair Value Measurements (Estimated Fair Values Of Financial Instruments Not Recorded At Fair Value In Their Entirety On A Recurring Basis) (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Cash and due from banks |  | $ 1,563 | $ 1,758
Interest-bearing deposits with banks |  | 9,171 | 4,524
Demand deposits (noninterest-bearing) |  | 33,173 | 39,945
Customer certificates of deposit |  | 2,077 | 1,762
Other time deposits |  | 2,116 | 124
Total deposits |  | 64,706 | 71,397
Medium- and long-term debt |  | 7,084 | 3,024
Loans recorded at fair value |  | 54,285 | 52,792
Carrying Amount |  |  |
Cash and due from banks |  | 1,563 | 1,758
Interest-bearing deposits with banks |  | 9,171 | 4,524
Other short-term investments |  | 19 | 19
Loans held-for-sale |  |  | 2
Total loans | [1] | 54,285 | 52,792
Customers’ liability on acceptances outstanding |  | 3 | 3
Restricted equity investments |  | 707 | 223
Nonmarketable equity securities | [2] | 5 | 5
Demand deposits (noninterest-bearing) |  | 33,173 | 39,945
Interest-bearing deposits |  | 27,340 | 29,566
Customer certificates of deposit |  | 2,077 | 1,762
Other time deposits |  | 2,116 | 124
Total deposits |  | 64,706 | 71,397
Short-term borrowings |  | 11,016 | 3,211
Acceptances outstanding |  | 3 | 3
Medium- and long-term debt |  | 7,084 | 3,024
Credit-related financial instruments |  | (83) | (79)
Estimated Fair Value |  |  |
Cash and due from banks |  | 1,563 | 1,758
Interest-bearing deposits with banks |  | 9,171 | 4,524
Other short-term investments |  | 19 | 19
Loans held-for-sale |  |  | 2
Total loans | [1] | 53,828 | 50,964
Customers’ liability on acceptances outstanding |  | 3 | 3
Restricted equity investments |  | 707 | 223
Nonmarketable equity securities | [2] | 11 | 12
Demand deposits (noninterest-bearing) |  | 33,173 | 39,945
Interest-bearing deposits |  | 27,340 | 29,566
Customer certificates of deposit |  | 2,039 | 1,719
Other time deposits |  | 2,131 | 124
Total deposits |  | 64,683 | 71,354
Short-term borrowings |  | 11,016 | 3,211
Acceptances outstanding |  | 3 | 3
Medium- and long-term debt |  | 6,826 | 3,071
Credit-related financial instruments |  | (83) | (79)
Level 1 | Estimated Fair Value |  |  |
Cash and due from banks |  | 1,563 | 1,758
Interest-bearing deposits with banks |  | 9,171 | 4,524
Other short-term investments |  | 19 | 19
Loans held-for-sale |  |  | 0
Total loans | [1] | 0 | 0
Customers’ liability on acceptances outstanding |  | 3 | 3
Restricted equity investments |  | 707 | 223
Demand deposits (noninterest-bearing) |  | 0 | 0
Interest-bearing deposits |  | 0 | 0
Customer certificates of deposit |  | 0 | 0
Other time deposits |  | 0 | 0
Total deposits |  | 0 | 0
Short-term borrowings |  | 11,016 | 3,211
Acceptances outstanding |  | 3 | 3
Medium- and long-term debt |  | 0 | 0
Credit-related financial instruments |  | 0 | 0
Level 2 | Estimated Fair Value |  |  |
Cash and due from banks |  | 0 | 0
Interest-bearing deposits with banks |  | 0 | 0
Other short-term investments |  | 0 | 0
Loans held-for-sale |  |  | 2
Total loans | [1] | 0 | 0
Customers’ liability on acceptances outstanding |  | 0 | 0
Restricted equity investments |  | 0 | 0
Demand deposits (noninterest-bearing) |  | 33,173 | 39,945
Interest-bearing deposits |  | 27,340 | 29,566
Customer certificates of deposit |  | 2,039 | 1,719
Other time deposits |  | 2,131 | 124
Total deposits |  | 64,683 | 71,354
Short-term borrowings |  | 0 | 0
Acceptances outstanding |  | 0 | 0
Medium- and long-term debt |  | 6,826 | 3,071
Credit-related financial instruments |  | 0 | 0
Level 3 | Estimated Fair Value |  |  |
Cash and due from banks |  | 0 | 0
Interest-bearing deposits with banks |  | 0 | 0
Other short-term investments |  | 0 | 0
Loans held-for-sale |  |  | 0
Total loans | [1] | 53,828 | 50,964
Customers’ liability on acceptances outstanding |  | 0 | 0
Restricted equity investments |  | 0 | 0
Demand deposits (noninterest-bearing) |  | 0 | 0
Interest-bearing deposits |  | 0 | 0
Customer certificates of deposit |  | 0 | 0
Other time deposits |  | 0 | 0
Total deposits |  | 0 | 0
Short-term borrowings |  | 0 | 0
Acceptances outstanding |  | 0 | 0
Medium- and long-term debt |  | 0 | 0
Credit-related financial instruments |  | (83) | (79)
Nonrecurring |  |  |
Loans recorded at fair value |  | 48 | 66
Nonrecurring | Level 3 |  |  |
Loans held-for-sale |  | 186 |
Total loans |  | $ 48 | $ 66
[1] | Included $48 million and $66 million of loans recorded at fair value on a nonrecurring basis at March 31, 2023 and December 31, 2022, respectively.
[2] | Certain investments that are measured at fair value using the net asset value have not been classified in the fair value hierarchy. The fair value amounts presented in the table are intended to permit reconciliation of the fair value hierarchy to the amounts presented in the Consolidated Balance Sheets.

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