Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Lease, Cost [Table Text Block]

	Successor						Predecessor
					Period From		Period From
	Years Ended				12/14/2019		1/1/2019
	December 31,				through		through
(Dollars in millions)	2021		2020		12/31/2019		12/13/2019
Lease Expense Components:
Operating Lease Expense	$	61	$	76	$	5	$	109
Short-term and Variable Lease Expense	65		63		5		91
Subtotal of Operating Lease Expense	$	126	$	139	$	10	$	200
Finance Lease Expense: Amortization of ROU Assets and Interest on Lease Liabilities	16		15		1		11
Sublease Income	(4)		(6)		(1)		(6)
Total Lease Expense	$	138	$	148	$	10	$	205

Operating and Finance Lease Maturities [Table Text Block]

	Operating		Finance
(Dollars in millions)	Leases		Leases
Maturity of Lease Liabilities as of December 31, 2021:
2022	$	74	$	16
2023	42		14
2024	29		12
2025	23		12
2026	18		11
After 2026	113		4
Total Lease Payments	299		69
Less: Interest	112		13
Present Value of Lease Liabilities	$	187	$	56

Supplemental Lease Disclosures [Table Text Block]

	Successor									Predecessor
							Period From			Period From
							12/14/2019			1/1/2019
	Years Ended						through			through
(Dollars in millions except years and percentages)	12/31/2021			12/31/2020			12/31/2019			12/13/2019
Other Supplemental Information:
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflows from operating leases	$	89		$	101		$	5		$	131
Operating cash outflows from finance leases	$	5		$	5		$	—		$	4
Financing cash outflows from finance leases	$	13		$	9		$	1		$	8
ROU assets obtained in exchange of new operating lease liabilities	$	23		$	37		$	2		$	59
Loss on sale leaseback transactions (short-term) (a)	$	—		$	—		$	—		$	34
	December 31, 2021			December 31, 2020			December 31, 2019
Weighted-average remaining lease term (years)
Operating leases	8.9			8.1			7.8
Finance leases	4.8			5.9			6.7
Weighted-average discount rate (percentages)
Operating leases	9.6		%	9.6		%	9.2		%
Finance leases	8.9		%	9.1		%	9.1		%

(a) Included in “Goodwill and Long-Lived Assets Impairment” in our Consolidated Statements of Operations and “Other Assets and Liabilities, Net” in our Consolidated Statements of Cash Flows.