LEASES (Tables)

12 Months Ended

Dec. 31, 2021

LEASES

Schedule of components of lease expense

	Year Ended December 31,
(Dollars in millions)	2021		2020		2019
Finance lease costs	$	69	$	61	$	18
Operating lease costs		354		424		429
Short-term lease costs		7		10		12
Variable lease costs		73		114		124
Sublease income		(5)		(4)		(2)
Total lease costs	$	498	$	605	$	581

Schedule of supplemental information relating to the cash flows arising from lease transactions

	Year Ended December 31,
(Dollars in millions)	2021		2020		2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflows for finance leases	$	3	$	3	$	1
Financing cash outflows for finance leases		70		72		19
Operating cash outflows for operating leases		327		450		454
Right-of-use assets obtained in exchange for new finance lease liabilities		86		129		147	*
Right-of-use assets obtained in exchange for new operating lease liabilities		562		336		1,647	*

Schedule of weighted-average lease terms and discount rates

	December 31,
	2021		2020
Finance leases
Weighted-average remaining lease term	3.3	years	3.5	years
Weighted-average discount rate	1.41	%	1.35	%
Operating leases
Weighted-average remaining lease term	5.2	years	5.7	years
Weighted-average discount rate	2.66	%	2.19	%

Schedule of maturities of the finance leases liabilities

The following table presents a maturity analysis of expected undiscounted cash flows for operating and finance leases on an annual basis for the next five years and thereafter.

													Imputed
(Dollars in millions)	2022		2023		2024		2025		2026		Thereafter		Interest*		Total**
Finance leases	$	78	$	68	$	44	$	28	$	8	$	—	$	(5)	$	222
Operating leases		403		302		236		201		121		190		(87)		1,366

*      Imputed interest represents the difference between undiscounted cash flows and discounted cash flows.

**    The Company entered into lease agreements for certain facilities and equipment with payments totaling approximately $27 million that have not yet commenced as of December 31, 2021, and therefore are not included in this table.

Schedule of maturities of the operating leases liabilities

													Imputed
(Dollars in millions)	2022		2023		2024		2025		2026		Thereafter		Interest*		Total**
Finance leases	$	78	$	68	$	44	$	28	$	8	$	—	$	(5)	$	222
Operating leases		403		302		236		201		121		190		(87)		1,366

*      Imputed interest represents the difference between undiscounted cash flows and discounted cash flows.

**    The Company entered into lease agreements for certain facilities and equipment with payments totaling approximately $27 million that have not yet commenced as of December 31, 2021, and therefore are not included in this table.

Schedule of finance leases recognized in the Consolidated Balance Sheet

	December 31,
(Dollars in millions)	2021		2020
Right-of-use assets – Property and equipment	$	221	$	201
Lease liabilities:
Short-term debt		76		69
Long-term debt		147		140