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Fee-Based Revenue from Contracts with Customers - Retail Banking Noninterest Income Disaggregation (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Disaggregation of Revenue [Line Items] |  |  |  |
Noninterest income | $ 2,086 | $ 1,549 | $ 3,958 | $ 3,374
Brokerage fees |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Noninterest income | 2 |  | 2 |
Retail Banking |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Noninterest income | 706 | 585 | 1,360 | 1,373
Retail Banking | In-Scope |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Noninterest income | 562 | 393 | 1,046 | 919
Retail Banking | Out-of-Scope |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Noninterest income | 144 | 192 | 314 | 454
Retail Banking | Debit card fees | In-Scope |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Noninterest income | 164 | 120 | 302 | 249
Retail Banking | Deposit account fees | In-Scope |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Noninterest income | 117 | 73 | 225 | 231
Retail Banking | Brokerage fees | In-Scope |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Noninterest income | 109 | 86 | 211 | 179
Retail Banking | Net credit card fees | In-Scope |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Noninterest income | 57 | 39 | 104 | 80
Interchange fees | 146 | 102 | 266 | 220
Credit card reward costs | 89 | 63 | 162 | 140
Retail Banking | Merchant services | In-Scope |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Noninterest income | 47 | 23 | 79 | 72
Retail Banking | Other | In-Scope |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Noninterest income | $ 68 | $ 52 | $ 125 | $ 108

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- Definition The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified. + 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 http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
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