XML 160 R68.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Financial Guarantee Insurance Contracts - Summary of Gross Premium Receivable Roll-Forward (Direct and Assumed Contracts) (Detail)
€ in Millions, £ in Millions, $ in Millions
12 Months Ended
Dec. 31, 2019
USD ($)
Dec. 31, 2019
EUR (€)
Dec. 31, 2019
GBP (£)
Dec. 31, 2018
USD ($)
Dec. 31, 2018
EUR (€)
Dec. 31, 2018
GBP (£)
Dec. 31, 2017
USD ($)
Insurance [Line Items]              
Premium Receivable, Allowance for Credit Loss $ 9     $ 7      
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward]              
Beginning premium receivable 495     586     $ 661
Premium receipts 48     56     (82)
Adjustments for changes in expected and contractual cash flows (38)     (42)     (30)
Accretion of premium receivable discount 11     15     16
Financial Guarantee Insurance Contracts, Premium Receivable, Deconsolidation of VIE 3            
Uncollectable premiums (2)     2     0
Other adjustments (including foreign exchange) (6)     (10)     21
Ending premium receivable 416     495     586
United Kingdom, Pounds              
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward]              
Beginning premium receivable 131   £ 103 152   £ 112  
Ending premium receivable 129   £ 97 131   £ 103 152
Euro Member Countries, Euro              
Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward]              
Beginning premium receivable 31 € 27   36 € 30    
Ending premium receivable $ 26 € 23   $ 31 € 27   $ 36