Annual report pursuant to Section 13 and 15(d)

Performance by Geographical Area (Details)

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Performance by Geographical Area (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total assets $ 2,354,507 $ 2,281,234  
Total revenue, net of interest expense 91,247 87,352 $ 83,701
Income before income taxes 34,584 29,213 25,021
Net income 28,147 18,232 17,822
U.S.      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total assets 2,051,182 1,965,490  
Total revenue, net of interest expense 81,004 74,830 72,418
Income before income taxes 31,904 25,108 22,282
Net income 26,407 15,550 16,183
Asia      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total assets 94,865 103,255  
Total revenue, net of interest expense 3,507 3,405 3,365
Income before income taxes 865 676 674
Net income 520 464 488
Europe, Middle East and Africa      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total assets 185,285 189,661  
Total revenue, net of interest expense 5,632 7,907 6,608
Income before income taxes 1,543 2,990 1,705
Net income 1,126 1,926 925
Latin America and the Caribbean      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total assets 23,175 22,828  
Total revenue, net of interest expense 1,104 1,210 1,310
Income before income taxes 272 439 360
Net income 94 292 226
Non-U.S.      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total assets 303,325 315,744  
Total revenue, net of interest expense 10,243 12,522 11,283
Income before income taxes 2,680 4,105 2,739
Net income $ 1,740 $ 2,682 $ 1,639