Condensed Consolidated Statements of Equity (Unaudited) - USD ($) $ in Millions		Total	Cumulus Digital Holdings	[7]	TeraWulf	[8]	Common stock shares		Additional paid-in capital	Accumulated earnings (deficit)	Accumulated other comprehensive income (loss)	Treasury Stock	Member's Equity	Non controlling Interest	Non controlling Interest Cumulus Digital Holdings	[7]	Non controlling Interest TeraWulf	[8]
Beginning balance at Dec. 31, 2022											$ (167)
Member's Equity, Beginning balance at Dec. 31, 2022		$ (482)											$ (573)	$ 91
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		46											48	(2)
Other comprehensive income (loss)		9											9
Non-cash contributions	[1]	38												38
Non-cash distributions	[2]	(2)												(2)
Member's Equity, Ending balance at Mar. 31, 2023		(391)											(516)	125
Beginning balance at Dec. 31, 2022											(167)
Member's Equity, Beginning balance at Dec. 31, 2022		(482)											(573)	91
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		465
Other comprehensive income (loss)		6									6
Ending balance at May. 17, 2023		2,431							$ 2,321	$ 0	0			110
Member's Equity, Beginning balance at Mar. 31, 2023		(391)											(516)	125
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		419											431	(12)
Other comprehensive income (loss)		(3)											(3)
Non-cash distributions	[2]	(3)												(3)
Cancellation of member's equity	[3]	88											88
Issuance of member's equity	[3]	2,313											2,313
Issuance of warrants	[3]	8											8
Common equity from member's equity exchange		0							2,321				$ (2,321)
Ending balance at May. 17, 2023		2,431							2,321	0	0			110
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		31
Other comprehensive income (loss)		(3)									(3)
Ending balance at Jun. 30, 2023		2,460							2,325	29	(3)			109
Ending balance (in shares) at Jun. 30, 2023	[4]						59,029,000
Beginning balance at May. 18, 2023		2,431							2,321	0	0			110
Beginning balance (in shares) at May. 18, 2023	[4]						59,029,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		31								29				2
Other comprehensive income (loss)		(3)									(3)
Non-cash distributions	[2]	(3)												(3)
Other		4							4
Ending balance at Jun. 30, 2023		2,460							2,325	29	(3)			109
Ending balance (in shares) at Jun. 30, 2023	[4]						59,029,000
Beginning balance at Dec. 31, 2023		$ 2,534							2,346	134	(23)	$ 0		77
Beginning balance (in shares) at Dec. 31, 2023		59,028,843					59,029,000	[5]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		$ 319								294				25
Other comprehensive income (loss)		(4)									(4)
Share repurchase (in shares)	[5]						(493,000)
Share repurchase		(39)										(39)
Purchase of noncontrolling interest	[6]	(39)							(15)					(24)
Non-cash distributions			$ (1)		$ (12)										$ (1)		$ (12)
Stock-based compensation		8							8
Ending balance at Mar. 31, 2024		2,766							2,339	428	(27)	(39)		65
Ending balance (in shares) at Mar. 31, 2024	[5]						58,536,000
Beginning balance at Dec. 31, 2023		$ 2,534							2,346	134	(23)	0		77
Beginning balance (in shares) at Dec. 31, 2023		59,028,843					59,029,000	[5]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		$ 777
Other comprehensive income (loss)		$ (6)									(6)
Share repurchase (in shares)		(5,773,889)
Retirement of treasury stock												(661)
Ending balance at Jun. 30, 2024		$ 2,572							2,092	448	(29)	0		61
Ending balance (in shares) at Jun. 30, 2024		53,254,954					53,255,000	[5]
Beginning balance at Mar. 31, 2024		$ 2,766							2,339	428	(27)	(39)		65
Beginning balance (in shares) at Mar. 31, 2024	[5]						58,536,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		458								454				4
Other comprehensive income (loss)		(2)									(2)
Share repurchase (in shares)	[5]						(5,281,000)
Share repurchase		(622)										(622)
Non-cash distributions	[8]	(8)												(8)
Retirement of treasury stock		0							(227)	(434)		661
Cash settlement of restricted stock units		(28)							(28)
Stock-based compensation		8							8
Ending balance at Jun. 30, 2024		$ 2,572							$ 2,092	$ 448	$ (29)	$ 0		$ 61
Ending balance (in shares) at Jun. 30, 2024		53,254,954					53,255,000	[5]

[1] Relates to contributions of cryptocurrency mining machines by TeraWulf to Nautilus.

[2] Relates primarily to distributions of cryptocurrency mining machines or Bitcoin to TeraWulf.

[3] Pursuant to the Plan of Reorganization: (i) existing equity interests were canceled; and (ii) new equity interests and equity-classified warrants were issued.

[4] Shares in thousands.

[5] Shares in thousands.

[6] TES acquisition of remaining noncontrolling interests in Cumulus Digital Holdings. See Note 17 for additional information.

[7] Distribution to noncontrolling interest owners of Cumulus Digital Holdings.

[8] Related primarily to distribution of Bitcoin to TeraWulf.