Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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+ Details

- Definition

Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.

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+ Details

Fresh Start Accounting - Enterprise Value Reconciliation (Details) - USD ($) $ in Millions	Dec. 31, 2021	Feb. 09, 2021	Dec. 31, 2020	Dec. 31, 2019
Reorganization, Chapter 11 [Line Items]
Enterprise value		$ 4,851
VIE, cash and cash equivalents	$ 905	40	$ 279	$ 6
Plus: Current liabilities	2,447	1,582	3,094
Plus: Asset retirement obligations (non-current portion)		236
Plus: Other non-current liabilities		7
Assets	$ 11,009	6,814	$ 6,584
Restricted cash		86
Reorganization, Chapter 11, Fresh-Start Adjustment
Reorganization, Chapter 11 [Line Items]
VIE, cash and cash equivalents		48
Plus: Current liabilities		0
Plus: Asset retirement obligations (non-current portion)		97
Plus: Other non-current liabilities		97
Assets		359
Restricted cash		$ 8