Leases (Tables)

9 Months Ended

Sep. 30, 2019

Leases

Summary of net lease cost

Lease Cost	Three Months Ended September 30,		Nine Months Ended September 30,
(in millions)	2019		2019
Operating lease cost	$	13	$	40
Variable operating lease cost		6		18
Short term lease cost		1		2
Lease cost	$	20	$	60

Reconciliation of future undiscounted cash flows to the operating lease liabilities and the related ROU assets

Operating Leases		As of
(in millions)		September 30, 2019
2019 (Excluding the nine months ended September 30, 2019)	$	13
2020		43
2021		33
2022		25
2023		18
Thereafter		32
Total future lease payments		164
Less imputed interest		23
Present value of future lease payments		141
Less current lease liabilities		39
Non-current operating lease liabilities	$	102
Operating lease assets	$	132

Summary of other lease information

Other Information	Three Months Ended September 30,		Nine Months Ended September 30,
($ in millions)	2019		2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	12	$	41
Right-of-use assets obtained in exchange for lease liabilities:
Operating leases	$	11	$	178
			As of
			September 30, 2019
Weighted average remaining lease term:
Operating leases				5.2 years
Weighted average discount rate:
Operating leases				5.4	%

Schedule of minimum lease payments due on leases

As the Company has not restated prior-year information for its adoption of ASC Topic 842, the following presents its future minimum lease payments for operating leases under ASC Topic 840 on December 31, 2018:

Operating Leases	As of
(in millions)	December 31, 2018
2019	$	53
2020		44
2021		40
2022		27
2023		22
Thereafter		27
Total future lease payments	$	213