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Investment Securities (Investment Income) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Taxable interest | $ 177 | $ 220 | $ 382 | $ 434
Taxable dividends | 5 | 3 | 10 | 6
Interest and dividends exempt from U.S. federal income tax | 5 | 4 | 8 | 9
Interest and dividends on investment securities and other earning assets | 197 | 244 | 423 | 484
Excludes other earning assets |  |  |  |
Interest and dividends on investment securities and other earning assets | $ 187 | $ 227 | $ 400 | $ 449

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- Definition Interest income, including any amortization and accretion (as applicable) of discounts and premiums, derived from debt securities issued by municipal governments, local taxing districts and US state government agencies. + 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 210.9-04.2) -URI http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260 + Details
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- Definition Amount of operating interest income, including amortization and accretion of premiums and discounts, on securities subject to state, federal and other income tax. + 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 210.9-04.2) -URI http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260 + Details
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