Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Debt (Subordinated debt) (Details)

v3.19.3.a.u2
Debt (Subordinated debt) (Details) - Subordinated
$ in Thousands
Dec. 31, 2019
USD ($)
Debt Instrument [Line Items]  
Amount outstanding $ 2,250,000
ECAPS Subordinated Notes  
Debt Instrument [Line Items]  
Amount outstanding $ 1,000,000
Weighted average interest rate 4.00%
2045 Subordinated Notes  
Debt Instrument [Line Items]  
Amount outstanding $ 500,000
Weighted average interest rate 6.50%
2079 Subordinated Notes  
Debt Instrument [Line Items]  
Amount outstanding $ 750,000
Weighted average interest rate 5.88%