v3.24.4
Parent Company Condensed Financial Information (Schedule of Parent Company Condensed Statements of Income) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2023
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Dec. 31, 2022
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Jun. 30, 2023
Jun. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Condensed Financial Statements, Captions [Line Items]                              
Interest income                         $ 17,845 $ 12,864 $ 10,651
Interest expense                         4,746 1,865 1,134
Net interest expense                         13,099 10,999 9,517
Other expense $ 1,788 $ 1,564     $ 1,495 $ 1,368         $ 4,351 $ 3,721 6,139 5,216 4,805
Income tax benefit (expense) (117) (175) $ (263) $ (286) (312) (310) $ (334) $ (369) $ (549) $ (703) (724) (1,013) (841) (1,325) (1,596)
Net income 366 586 889 955 1,011 998 1,088 1,219 1,844 2,307 2,430 3,305 2,796 4,316 5,388
Other comprehensive (loss) income, net                         114 (245) (139)
Comprehensive income $ 714 $ 483 $ 654 $ 1,059 $ 1,025 $ 896 $ 1,050 $ 1,100 $ 1,713 $ 2,150 $ 2,196 $ 3,046 2,910 4,071 5,249
Parent Company [Member]                              
Condensed Financial Statements, Captions [Line Items]                              
Interest income                         240 98 33
Interest expense                         189 189 199
Net interest expense                         51 (91) (166)
Dividends from bank subsidiary                         1,700 4,000 3,250
Dividends from non-bank subsidiaries                         11 688 0
Other Income                         4 0 0
Total income                         1,766 4,597 3,084
Other expense                         (2) 6 10
Income before income tax benefit and equity in undistributed net income of subsidiaries                         1,768 4,591 3,074
Income tax benefit (expense)                         (7) 25 25
Equity in undistributed net income of subsidiaries                         1,035 (300) 2,289
Net income                         2,796 4,316 5,388
Other comprehensive (loss) income, net                         114 (245) (139)
Comprehensive income                         $ 2,910 $ 4,071 $ 5,249