Supplemental Cash Flow Information - Supplemental Consolidated Statements of Cash Flows (Details) - USD ($) $ in Millions	1 Months Ended	2 Months Ended	3 Months Ended	5 Months Ended	6 Months Ended
	Jun. 30, 2023	May 17, 2023	Jun. 30, 2024	May 17, 2023	Jun. 30, 2024
Cash paid (received) during the period
Interest and other finance charges, net of capitalized interest	$ 2			$ 283	$ 124
Income taxes, net	3			7	9
Non-cash investing and operating activities
Capital expenditure accrual increase (decrease)	1			(28)	(16)
Depreciation, amortization and accretion included on the Statements of Operations:
Depreciation, amortization and accretion	28	$ 68	$ 75	200	150
Amortization of deferred finance costs and original issuance discounts (interest expense)	1			8	2
Other	(2)			0	(8)
Total depreciation, amortization and accretion	27			208	144
Non-cash financing/investing activities
Non-cash increase to PP&E and decrease to other current assets for transfer of miners by Cumulus Coin	0			14	0
Non-cash decrease to PP&E and decrease to noncontrolling interest for transfer of miners to TeraWulf	0			3	0
Non-cash increase to PP&E and increase to noncontrolling interest for transfer of miners by TeraWulf (b)	0			38	0
Unrealized (gain) loss on derivatives:
Unrealized gain (loss) on commodity contracts	(41)	94	(91)	63	44
Interest rate swap contracts	2			2	(8)
Unrealized (gain) loss on commodity derivative contracts	(39)			65	36
Operating activities reconciliation adjustments, other:
Net periodic defined benefit cost	0	$ (1)	$ 1	(3)	0
Net periodic defined benefit cost	1
Stock-based compensation	0			0	16
Derivative option premium amortization	9			29	4
Bitcoin revenue	(15)			(27)	(71)
Nonrecourse paid-in-kind interest	3			9	0
Mark-to-market on warrants	14			0	0
Debt restructuring (gain) loss, net	0			0	(8)
Other	5			(1)	1
Total	17			7	(58)
Capitalized interests	$ 3			$ 12	$ 3