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Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Schedule of Leasing Activity

The components of our operating lease costs for the years ended December 31, 2021, 2020 and 2019 were as follows:

			Year Ended December 31,
Dollars in millions			2021						2020						2019
Operating lease cost			$	51					$	50					$	54
Short-term lease cost			528						112						121
Total lease cost			$	579					$	162					$	175

Additional information related to leases was as follows:

			December 31,						December 31,						December 31,
Dollars in millions			2021						2020						2019
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases			$	59					$	61					$	56
Financing cash flows from finance leases			$	13					$	11					$	6
Right-of-use assets obtained in exchange for new operating lease liabilities			$	33					$	62					$	20
Right-of-use assets obtained in exchange for new finance lease liabilities			$	11					$	34					$	13
Weighted-average remaining lease term-operating (in years)			6 years						6 years						8 years
Weighted-average remaining lease term-finance (in years)			3 years						3 years						3 years
Weighted-average discount rate-operating leases			6.3		%				6.8		%				7.6		%
Weighted-average discount rate-finance leases			4.0		%				4.7		%				5.6		%

Schedule of Lease Maturity

The following is a maturity analysis of the future undiscounted cash flows associated with our lease liabilities as of December 31, 2021:

			Year
Dollars in millions			2022						2023						2024						2025						2026						Thereafter						Total
Future payments - operating leases			$	55					$	51					$	42					$	36					$	25					$	85					$	294
Future payments - finance leases			9						6						4						2						—						—						21
Total future payments - all leases			$	64					$	57					$	46					$	38					$	25					$	85					$	315

Dollars in millions			Operating Leases						Finance Leases						Total
Total future payments			$	294					$	21					$	315
Less imputed interest			(65)						(1)						(66)
Present value of future lease payments			$	229					$	20					$	249
Less current portion of lease obligations			(41)						(9)						(50)
Noncurrent portion of lease obligations			$	188					$	11					$	199

Schedule of Lease Maturity

The following is a maturity analysis of the future undiscounted cash flows associated with our lease liabilities as of December 31, 2021:

			Year
Dollars in millions			2022						2023						2024						2025						2026						Thereafter						Total
Future payments - operating leases			$	55					$	51					$	42					$	36					$	25					$	85					$	294
Future payments - finance leases			9						6						4						2						—						—						21
Total future payments - all leases			$	64					$	57					$	46					$	38					$	25					$	85					$	315

Dollars in millions			Operating Leases						Finance Leases						Total
Total future payments			$	294					$	21					$	315
Less imputed interest			(65)						(1)						(66)
Present value of future lease payments			$	229					$	20					$	249
Less current portion of lease obligations			(41)						(9)						(50)
Noncurrent portion of lease obligations			$	188					$	11					$	199

X

- Definition

Tabular disclosure of undiscounted cash flows of finance lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to finance lease liability recognized in statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980

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X

- Definition

Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980

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- References

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X

- Definition

Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980

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