Leases (Tables)

12 Months Ended

Dec. 31, 2022

Leases [Abstract]

Lease, cost

Lease expense consisted of the following:

	Years Ended December 31,
	2022		2021	2020
	(Dollars in millions)
Operating and short-term lease cost	$	348	368	440
Finance lease cost:
Amortization of right-of-use assets	25		24	19
Interest on lease liability	11		12	11
Total finance lease cost	36		36	30
Total lease cost	$	384	404	470

Supplemental unaudited consolidated cash flow statement information related to leases:

	Years Ended December 31,
	2022		2021
	(Dollars in millions)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	346	360
Operating cash flows for finance leases	11		12
Financing cash flows for finance leases	84		38
Supplemental lease cash flow disclosures:
Operating lease right-of-use assets obtained in exchange for new operating lease liabilities	381		380
Right-of-use assets obtained in exchange for new finance lease liabilities	$	70	28

Assets and liabilities

Supplemental consolidated balance sheet information and other information related to leases:

		Years Ended December 31,
Leases	Classification on the Balance Sheet	2022			2021
		(Dollars in millions)
Assets
Operating lease assets	Other, net (1)	$	1,168		1,182
Finance lease assets	Property, plant and equipment, net of accumulated depreciation	241			231
Total leased assets		$	1,409		1,413
Liabilities
Current
Operating	Current operating lease liabilities (2)	$	326		299
Finance	Current maturities of long-term debt	14			16
Noncurrent
Operating	Operating lease liabilities (3)	922			953
Finance	Long-term debt	210			226
Total lease liabilities		$	1,472		1,494
Weighted-average remaining lease term (years)
Operating leases		6.7			6.9
Finance leases		10.9			11.1
Weighted-average discount rate
Operating leases		5.23		%	4.79	%
Finance leases		4.97		%	4.81	%

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(1) Includes affiliate operating lease assets of $391 million and $294 million as of December 31, 2022 and 2021, respectively.

(2) Includes current portion of affiliate operating lease liabilities of $125 million and $82 million as of December 31, 2022 and 2021, respectively.

(3) Includes noncurrent portion of affiliate operating lease liabilities of $286 million and $224 million as of December 31, 2022 and 2021, respectively.

Lessee, operating lease, liability, maturity

As of December 31, 2022, maturities of lease liabilities were as follows:

	Operating Leases		Finance Leases
	(Dollars in millions)
2023	$	379	25
2024	274		25
2025	228		26
2026	168		26
2027	92		27
Thereafter	359		164
Total lease payments	1,500		293
Less: interest	(252)		(69)
Total	1,248		224
Less: current portion	(326)		(14)
Long-term portion	$	922	210

Finance lease, liability, maturity

As of December 31, 2022, maturities of lease liabilities were as follows:

	Operating Leases		Finance Leases
	(Dollars in millions)
2023	$	379	25
2024	274		25
2025	228		26
2026	168		26
2027	92		27
Thereafter	359		164
Total lease payments	1,500		293
Less: interest	(252)		(69)
Total	1,248		224
Less: current portion	(326)		(14)
Long-term portion	$	922	210