Leases (Tables)

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Schedule of ROU assets and lease liabilities

The following table presents our ROU assets and lease liabilities as of December 31, 2020 and 2019.

	Years Ended December 31,
	2020				2019
	Finance		Operating		Finance		Operating
	($ in millions)
ROU assets	$	9	$	29	$	17	$	22
Lease liabilities:
Current lease liabilities	$	9	$	27	$	9	$	9
Long-term lease liabilities	—		2		9		16
Total lease liabilities	9		29		18		25
Less amounts reclassified to liabilities subject to compromise	(9)		(5)		—		—
Total lease liabilities, net	$	—	$	24	$	18	$	25

Schedule of operating and financing lease additional information

Additional information for the Company’s operating and finance leases is presented below:

	Years Ended December 31,
	2020			2019
Lease cost:	($ in millions)
Amortization of ROU assets	$	9		$	8
Interest on lease liability	1			2
Finance lease cost	10			10
Operating lease cost	17			26
Short-term lease cost	32			112
Total lease cost	$	59		$	148
Other information:
Operating cash outflows from finance lease	$	1		$	2
Operating cash outflows from operating leases	$	9		$	11
Investing cash outflows from operating leases	$	40		$	127
Financing cash outflows from finance lease	$	9		$	8
	December 31,
	2020			2019
Weighted average remaining lease term - finance lease	1.00 year			2.00 years
Weighted average remaining lease term - operating leases	1.12 years			4.65 years
Weighted average discount rate - finance lease	7.50		%	7.50		%
Weighted average discount rate - operating leases	6.46		%	4.85		%

Schedule of maturity analysis of operating lease liabilities

Maturity analysis of finance lease liabilities and operating lease liabilities are presented below:

	December 31, 2020
	Finance Lease		Operating Leases
	($ in millions)
2021	$	10	$	28
2022	—		2
Total lease payments	10		30
Less imputed interest	(1)		(1)
Present value of lease liabilities	9		29
Less current maturities	(9)		(27)
Present value of lease liabilities, less current maturities	$	—	$	2

Schedule of maturity analysis of finance lease liabilities

Maturity analysis of finance lease liabilities and operating lease liabilities are presented below:

	December 31, 2020
	Finance Lease		Operating Leases
	($ in millions)
2021	$	10	$	28
2022	—		2
Total lease payments	10		30
Less imputed interest	(1)		(1)
Present value of lease liabilities	9		29
Less current maturities	(9)		(27)
Present value of lease liabilities, less current maturities	$	—	$	2