Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Lease costs

The components of lease expense were as follows:

	Year Ended December 31
	2021		2020		2019
Operating lease expense	$	126	$	122	$	131
Finance lease expense (amortization of right-of-use assets)	5		2		1
Short-term lease expense	8		6		13
Variable lease expense	6		24		26
Sublease income	(4)		(1)		(1)
Total lease expense	$	141	$	153	$	170

Other information related to leases was as follows:

	Year Ended December 31
	2021		2020		2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	126	$	143	$	160
Financing cash flows from finance leases	$	4	$	2	$	1
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$	94	$	98	$	170
Finance leases	$	6	$	7	$	—

	December 31
	2021			2020
	Weighted average remaining lease term (in years)	Weighted average discount rate		Weighted average remaining lease term (in years)	Weighted average discount rate
Operating leases	6.16	3.42	%	5.38	3.63	%
Finance leases	3.35	2.66	%	3.97	3.07	%

Assets and Liabilities

Supplemental balance sheet information related to leases was as follows:

	December 31
	2021		2020
Operating leases
Other assets	$	319	$	328
Accrued expenses and other current liabilities	$	92	$	95
Deferred credits and other liabilities	240		241
Total operating lease liabilities	$	332	$	336
Finance leases
Property, plant and equipment, cost	$	24	$	13
Accumulated depreciation and amortization	(10)		(6)
Total finance lease right-of-use assets	$	14	$	7
Short-term debt, including current maturities of long-term debt	$	4	$	3
Long-term debt	9		5
Total finance lease liabilities	$	13	$	8

Operating lease liabilities

Maturities of lease liabilities under non-cancellable leases at December 31, 2021 were as follows:

Year ending December 31	Operating leases		Finance leases
2022	$	100	$	5
2023	79		4
2024	53		3
2025	37		2
2026	25		—
Thereafter	68		—
Total future undiscounted lease payments	362		14
Less: imputed interest	(30)		(1)
Total reported lease liability	$	332	$	13

Finance lease liabilities

Maturities of lease liabilities under non-cancellable leases at December 31, 2021 were as follows:

Year ending December 31	Operating leases		Finance leases
2022	$	100	$	5
2023	79		4
2024	53		3
2025	37		2
2026	25		—
Thereafter	68		—
Total future undiscounted lease payments	362		14
Less: imputed interest	(30)		(1)
Total reported lease liability	$	332	$	13