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Fee-Based Revenue from Contracts with Customers - Asset Management Group Noninterest Income Disaggregation (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020
Disaggregation of Revenue [Line Items] |  |
Noninterest income | $ 1,872 | $ 1,825
Asset Management Group |  |
Disaggregation of Revenue [Line Items] |  |
Noninterest income | 229 | 204
Asset Management Group | In-Scope |  |
Disaggregation of Revenue [Line Items] |  |
Noninterest income | 226 | 201
Asset Management Group | Out-of-Scope |  |
Disaggregation of Revenue [Line Items] |  |
Noninterest income | 3 | 3
Asset Management Group | Personal | In-Scope |  |
Disaggregation of Revenue [Line Items] |  |
Noninterest income | 173 | 150
Asset Management Group | Institutional | In-Scope |  |
Disaggregation of Revenue [Line Items] |  |
Noninterest income | $ 53 | $ 51

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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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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- Details
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