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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, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Disaggregation of Revenue [Line Items] |  |  |  |
Noninterest income | $ 1,549 | $ 1,717 | $ 3,374 | $ 3,303
Retail Banking [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Noninterest income | 585 | 657 | 1,373 | 1,252
Retail Banking [Member] | In-Scope [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Noninterest income | 393 | 545 | 919 | 1,068
Retail Banking [Member] | Out-of-Scope [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Noninterest income | 192 | 112 | 454 | 184
Retail Banking [Member] | Deposit Account Fees [Member] | In-Scope [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Noninterest income | 73 | 154 | 231 | 302
Retail Banking [Member] | Debit Card Fees [Member] | In-Scope [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Noninterest income | 120 | 136 | 249 | 260
Retail Banking [Member] | Brokerage Fees [Member] | In-Scope [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Noninterest income | 86 | 86 | 179 | 175
Retail Banking [Member] | Merchant Services [Member] | In-Scope [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Noninterest income | 23 | 56 | 72 | 104
Retail Banking [Member] | Net Credit Card Fees [Member] | In-Scope [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Noninterest income | 39 | 51 | 80 | 99
Interchange fees | 102 | 126 | 220 | 238
Credit card reward costs | 63 | 75 | 140 | 139
Retail Banking [Member] | Other | In-Scope [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Noninterest income | $ 52 | $ 62 | $ 108 | $ 128

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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=116637391&loc=SL114874048-224260 + Details
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