Quarterly report pursuant to Section 13 or 15(d)

VIEs - Unconsolidated VIEs (Details)

v3.21.1
VIEs - Unconsolidated VIEs (Details) - USD ($)
$ in Millions
Mar. 31, 2021
Dec. 31, 2020
Variable Interest Entity [Line Items]    
Total Assets $ 125,768 $ 123,038
Total Liabilities 112,168 110,045
Variable Interest Entity, Not Primary Beneficiary    
Variable Interest Entity [Line Items]    
Total Assets 1,288 1,278
Total Liabilities 770 824
Maximum Exposure to Loss 1,274 1,264
Trust Preferred Securities | Variable Interest Entity, Not Primary Beneficiary    
Variable Interest Entity [Line Items]    
Total Assets 14 14
Total Liabilities 253 252
Maximum Exposure to Loss 0 0
Affordable Housing Tax Credit Partnerships | Variable Interest Entity, Not Primary Beneficiary    
Variable Interest Entity [Line Items]    
Total Assets 945 956
Total Liabilities 445 500
Maximum Exposure to Loss 945 956
Other Investments | Variable Interest Entity, Not Primary Beneficiary    
Variable Interest Entity [Line Items]    
Total Assets 329 308
Total Liabilities 72 72
Maximum Exposure to Loss $ 329 $ 308