Leases (Tables)

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Disclosure of Lease Costs

The components of lease costs are shown below:

	For the years ended December 31,
(in millions)	2020		2019
Operating lease cost	$	48	$	45
Short-term lease cost	35		45
Variable lease cost	3		1
Total lease cost	$	86	$	91

Supplemental cash flow information related to leases is set forth below:

	For the years ended December 31,
(in millions)	2020		2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	47	$	47
Right-of-use assets obtained in exchange for operating liabilities:
Operating leases	$	48	$	95

Supplemental Balance Sheet Information

Supplemental balance sheet information related to leases is as follows:

(in millions)	December 31, 2020			December 31, 2019
Right-of-use asset balance:
Operating leases	$	163		$	159
Lease liability balance:
Current operating leases	$	42		$	34
Long-term operating leases	117			119
Total operating leases	$	159		$	153
Weighted average remaining lease term: (years)
Operating leases	5.6			6.6
Weighted average discount rate:
Operating leases	5.97		%	5.33		%

Maturity Analysis of Operating Lease Liabilities

Maturity analysis of operating lease liabilities:

(in millions)	December 31, 2020
2021	$	50
2022	37
2023	26
2024	18
2025	14
Thereafter	42
Total undiscounted lease liability	187
Imputed interest	(28)
Total discounted lease liability	$	159