Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2021

Commitments and Contingencies Disclosure [Abstract]

Lessee, Operating Lease, Liability, Maturity

The amounts contractually due on our operating lease liabilities at December 31, 2021 were as follows (in millions):

	2022		2023		2024		2025		2026		Thereafter		Total
Operating lease	$	19	$	17	$	16	$	13	$	10	$	10	$	85
Less: Present value discount													7
Total operating lease liabilities													$	78

Operating Leases, supplemental information

Supplemental information related to operating leases for the years ended December 31 was as follows (in millions):

	2019		2020		2021
Operating and variable lease expense	21		25		28
Right-of-use assets obtained in exchange for operating lease liabilities	42		12		1
Weighted average remaining lease term for operating leases (in years)	7		6		5
Weighted average remaining discount rate for operating leases	3.1	%	3.3	%	3.5	%