Leases (Tables)

12 Months Ended

Dec. 31, 2019

Leases

Summary of components of lease expense

Lease Cost	Year Ended December 31,
(in millions)	2019
Operating lease cost	$	55
Variable operating lease cost		24
Short term lease cost		3
Lease cost	$	82

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

Operating Leases		As of
(in millions)		December 31, 2019
2020	$	49
2021		39
2022		30
2023		23
2024		15
Thereafter		33
Total future lease payments		189
Less imputed interest		28
Present value of future lease payments		161
Less current lease liabilities		41
Non-current operating lease liabilities	$	120
Operating lease assets	$	151

Summary of other lease information

Other Information	Year Ended December 31,
($ in millions)	2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	55
Right-of-use assets obtained in exchange for lease liabilities:
Operating leases	$	212
	As of
	December 31, 2019
Weighted average remaining lease term:
Operating leases		5.5 years
Weighted average discount rate:
Operating leases		5.7	%

Schedule of minimum lease payments due on leases

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