Leasing (Tables)

9 Months Ended

Sep. 30, 2021

Leases [Abstract]

Schedule of Lease Expense and Operating Cash Flows

Lease expense and operating cash flows include:

	Third quarter ended September 30,				Nine months ended September 30,
	2021		2020		2021		2020
Costs from operating leases	$	16	$	19	$	54	$	57
Variable lease payments		4		2		9		7
Short-term rental expense		1		1		2		2

Schedule of Weighted Average Lease Term and Weighted Average Discount Rate

The weighted average lease term and weighted average discount rate as of September 30, 2021 and December 31, 2020 were as follows:

	September 30, 2021		December 31, 2020
Weighted average lease term for operating leases (years)		4.9		4.4
Weighted average discount rate for operating leases	5.1%		5.2%

Schedule of Aggregate Right-of Use Assets and Related Lease Obligations

The following represents the aggregate right-of use assets and related lease obligations recognized in the Consolidated Balance Sheet at:

	September 30, 2021		December 31, 2020
Properties, plants and equipment, net	$	108	$	137
Other current liabilities	$	42	$	60
Other noncurrent liabilities and deferred credits		69		82
Total operating lease liabilities	$	111	$	142

Schedule of Future Cash Flows Related to Operating Lease Obligations

The future cash flows related to the operating lease obligations as of September 30, 2021 were as follows:

2021 (excluding the nine months ended September 30)	$	17
2022		38
2023		24
2024		15
2025		10
Thereafter		24
Total lease payments (undiscounted)		128
Less: discount to net present value		(17	)
Total	$	111