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

Supplemental guarantor financial information (Narrative) (Details)

v3.19.3.a.u2
Supplemental guarantor financial information (Narrative) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Oct. 31, 2019
Dec. 31, 2018
Jun. 30, 2015
Debt Instrument [Line Items]        
Debt $ 29,486,131   $ 29,507,587  
Operating lease right of use asset and liability $ 1,300,000      
Junior Subordinated Notes | Subordinated        
Debt Instrument [Line Items]        
Debt   $ 750,000   $ 500,000
Debt, fixed interest rate   5.875%   6.50%