Lease Liabilities (Tables)

12 Months Ended

Dec. 31, 2020

Lease Liabilities [Abstract]

Components Of Lease Cost

		For the years ended December 31,
	Statement of Operations Account	2020		2019
Operating lease cost:
	Production costs and taxes	$	13	$	13
	General and administrative		50		49
Total operating lease cost		$	63	$	62
Finance lease cost:
Amortization of right of use assets	Depreciation, depletion, and amortization	$	75	$	79
Interest on lease liabilities	Net interest expense		5		5
Total finance lease cost		$	80	$	84

Supplemental Cash Flow Information Related To Leases

	For the years ended December 31,
	2020		2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	63	$	62
Operating cash flows from finance leases		5		5
Finance cash flows from finance leases	$	41	$	53
Right of use assets obtained in exchange for lease obligations:
Operating leases	$	63	$	98

Supplemental Balance Sheet Information Related To Leases

	Balance Sheet as of December 31,
	2020		2019
Operating Leases:
Right of use asset - operating leases	$	42	$	41
Lease liabilities - current	$	42	$	41
Lease liabilities - noncurrent		—		—
Total operating lease liabilities	$	42	$	41
Finance Leases:
Other property and equipment, gross	$	342	$	295
Accumulated depreciation		(240)		(146)
Other property and equipment, net	$	102	$	149
Lease liabilities - current	$	61	$	61
Lease liabilities - noncurrent		16		41
Total finance lease liabilities	$	77	$	102

Schedule Of Weighted Average Remaining Lease Term And Discount Rate

	Operating Leases		Finance Leases
Weighted average remaining lease term		0.7 years		0.7 years
Weighted average discount rate		3.75%		5.30%

Maturity Analysis For Operating and Finance Lease Liabilities

	Operating Leases		Finance Leases
2021		43		62
2022		—		16
Total lease payments		43		78
Less imputed interest		(1)		(1)
Total	$	42	$	77