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Deposits - Narrative (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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Maturities of Time Deposits [Abstract] |  |
Time deposits, at or above FDIC insurance limit | $ 859 | $ 1,400
Time deposit uninsured | $ 515 | $ 925

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- Definition Amount of uninsured time deposit liability. Excludes uninsured time deposit liability in excess of Federal Deposit Insurance Corporation (FDIC) insurance limit or similar state deposit insurance regime in United States of America (US). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1406 -Paragraph (f) -Subparagraph (2) + Details
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- Definition Amount of time deposit liabilities, including certificates of deposit, in denominations that meet or exceed the Federal Deposit Insurance Corporation (FDIC) insurance limit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=116652737&loc=d3e64164-112818 + Details
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