Segment, Geographic and Revenue Information - Revenue Recognized from Prior Services (Details) - USD ($) $ in Millions |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
Segment Reporting [Abstract] | |||
Non-interest revenues | $ 2,391 | $ 2,298 | $ 2,705 |