Regulatory Capital and Other Regulatory Matters (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Capital Requirements on Foreign Financial Institutions [Line Items]
Assets	$ 109,217	$ 109,920
Brazil [Member]
Capital Requirements on Foreign Financial Institutions [Line Items]
Capital ratio	24.90%
International Regulated Bank And Finance Companies [Member]
Capital Requirements on Foreign Financial Institutions [Line Items]
Assets	$ 7,800	$ 7,900
Minimum [Member] \| Brazil [Member]
Capital Requirements on Foreign Financial Institutions [Line Items]
Capital requirement	10.50%

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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The minimum Total risk based capital ratio (total capital divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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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.

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Total Capital divided by risk weighted assets as defined in the regulations.

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