Quarterly report pursuant to Section 13 or 15(d)

VIEs - Unconsolidated VIEs (Details)

v3.21.2
VIEs - Unconsolidated VIEs (Details) - USD ($)
$ in Millions
Sep. 30, 2021
Dec. 31, 2020
Variable Interest Entity [Line Items]    
Total Assets $ 173,878 $ 123,038
Total Liabilities 154,379 110,045
Variable Interest Entity, Not Primary Beneficiary    
Variable Interest Entity [Line Items]    
Total Assets 1,876 1,278
Total Liabilities 1,175 824
Maximum Exposure to Loss 1,862 1,264
Trust Preferred Securities | Variable Interest Entity, Not Primary Beneficiary    
Variable Interest Entity [Line Items]    
Total Assets 14 14
Total Liabilities 256 252
Maximum Exposure to Loss 0 0
Affordable Housing Tax Credit Partnerships | Variable Interest Entity, Not Primary Beneficiary    
Variable Interest Entity [Line Items]    
Total Assets 1,436 956
Total Liabilities 774 500
Maximum Exposure to Loss 1,436 956
Other Investments | Variable Interest Entity, Not Primary Beneficiary    
Variable Interest Entity [Line Items]    
Total Assets 426 308
Total Liabilities 145 72
Maximum Exposure to Loss $ 426 $ 308