Annual report pursuant to Section 13 and 15(d)

VIEs - Unconsolidated VIEs (Details)

v3.10.0.1
VIEs - Unconsolidated VIEs (Details) - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Variable Interest Entity [Line Items]    
Total Assets $ 848 $ 775
Total Liabilities 662 640
Maximum Exposure to Loss 834 761
Trust Preferred Securities    
Variable Interest Entity [Line Items]    
Total Assets 14 14
Total Liabilities 252 252
Maximum Exposure to Loss 0 0
Affordable Housing Tax Credit Partnerships    
Variable Interest Entity [Line Items]    
Total Assets 708 636
Total Liabilities 357 335
Maximum Exposure to Loss 708 636
Other Investments    
Variable Interest Entity [Line Items]    
Total Assets 126 125
Total Liabilities 53 53
Maximum Exposure to Loss $ 126 $ 125