Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2019

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Operating Leases Of Lessee Disclosure

	As of
$ in millions	December 31, 2019			Balance Sheet Location
Right-of-use asset	$	21			Other assets
Lease liability	$	21			Other liabilities
Weighted average remaining lease term (years)		8.2
Discount rate used for operating leases		7.5	%
Total future minimum lease payments	$	32