Non-U.S. Activities - Narrative (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total assets	$ 322,350	$ 314,624
Non-U.S.
Segment Reporting Information [Line Items]
Total assets	$ 94,680	$ 106,250

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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+ Details