DESCRIPTION OF BUSINESS (Details) $ / shares in Units, ر.س in Millions				1 Months Ended				3 Months Ended		6 Months Ended		12 Months Ended
	Apr. 08, 2025 USD ($) $ / shares	Oct. 31, 2024 USD ($)	May 31, 2023 USD ($) shares	Oct. 31, 2024 USD ($) shares	Aug. 31, 2024 USD ($) $ / shares shares	Mar. 31, 2024 USD ($) $ / shares shares	Jun. 30, 2023 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Dec. 31, 2022 USD ($) facility	Feb. 28, 2025 USD ($)	Feb. 28, 2025 SAR (ر.س)	Feb. 24, 2025 USD ($)	Feb. 24, 2025 SAR (ر.س)	Dec. 31, 2024 USD ($)	Mar. 12, 2023 USD ($)	Mar. 12, 2023 SAR (ر.س)	Jun. 30, 2022 USD ($)	Apr. 29, 2022 USD ($) facility	Apr. 29, 2022 SAR (ر.س) facility	Feb. 27, 2022 USD ($)	Feb. 27, 2022 SAR (ر.س)
Debt Instrument [Line Items]
Net loss								$ 539,432,000	$ 643,390,000	$ 905,603,000	$ 1,324,249,000
Accumulated deficit								13,818,297,000		13,818,297,000							$ 12,912,694,000
Principal amount								2,060,000,000		2,060,000,000
Proceeds from convertible debt										1,100,000,000	0
Purchase of capped call options										(118,250,000)	$ 0
Call Option
Debt Instrument [Line Items]
Purchase of capped call options	$ 118,300,000
Capped call, premium (in dollar per share) | $ / shares	$ 4.80
2023 Underwriting Agreement
Debt Instrument [Line Items]
Consideration to be received on agreement			$ 1,200,000,000
2023 Subscription Agreement
Debt Instrument [Line Items]
Net proceeds received							$ 1,200,000,000
2023 Subscription Agreement | Ayar
Debt Instrument [Line Items]
Consideration to be received on agreement			1,800,000,000
Net proceeds received							1,800,000,000
2023 Subscription Agreement | Ayar | Related Party
Debt Instrument [Line Items]
Consideration to be received on agreement			$ 1,800,000,000
Net proceeds received							$ 1,800,000,000
Number of shares issued (in shares) | shares			265,693,703
Series A Derivative Liability | Ayar | Redeemable Convertible Preferred Stock
Debt Instrument [Line Items]
Consideration to be received on agreement						$ 1,000,000,000
Net proceeds received						$ 997,600,000
Number of shares issued (in shares) | shares						100,000
Convertible preferred stock, par value (in dollars per share) | $ / shares						$ 0.0001
Series A Derivative Liability | Ayar | Redeemable Convertible Preferred Stock | Related Party
Debt Instrument [Line Items]
Consideration to be received on agreement						$ 1,000,000,000.0
Net proceeds received						$ 997,600,000
Number of shares issued (in shares) | shares						100,000
Series B Derivative Liability | Ayar | Redeemable Convertible Preferred Stock
Debt Instrument [Line Items]
Consideration to be received on agreement					$ 750,000,000
Net proceeds received					$ 749,400,000
Number of shares issued (in shares) | shares					75,000
Convertible preferred stock, par value (in dollars per share) | $ / shares					$ 0.0001
Series B Derivative Liability | Ayar | Redeemable Convertible Preferred Stock | Related Party
Debt Instrument [Line Items]
Consideration to be received on agreement					$ 750,000,000
Net proceeds received					$ 749,400,000
Number of shares issued (in shares) | shares					75,000
2024 Underwriting Agreement
Debt Instrument [Line Items]
Net proceeds received				$ 718,400,000
2024 Underwriting Agreement | The Underwriter
Debt Instrument [Line Items]
Sale of stock, underwriter exercise period				30 days
2024 Subscription Agreement | Ayar
Debt Instrument [Line Items]
Net proceeds received				$ 1,025,700,000
2024 Subscription Agreement | Ayar | Related Party
Debt Instrument [Line Items]
Net proceeds received		$ 1,025,700,000
Number of shares issued (in shares) | shares				374,717,927
SIDF
Debt Instrument [Line Items]
Principal amount												$ 1,400,000,000											$ 1,400,000,000	ر.س 5,190
ABL Credit Facility | Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Debt instrument, term												5 years
Maximum borrowing capacity												$ 1,000,000,000								$ 1,000,000,000.0
GIB Facility Agreement | Line of Credit | Related Party
Debt Instrument [Line Items]
Maximum borrowing capacity																					$ 266,100,000	ر.س 1,000
Number of facilities | facility																					2	2
GIB Facility Agreement | Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity												$ 266,100,000									$ 266,100,000	ر.س 1,000
Number of facilities | facility												2									2	2
GIB Facility Agreement | Bridge Loan | Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity												$ 173,000,000									$ 173,000,000	ر.س 650
GIB Facility Agreement | Working Capital Facility | Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity												$ 93,100,000									$ 93,100,000	ر.س 350
2023 GIB Credit Facility | Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity | ر.س																			ر.س 1,000
2023 GIB Credit Facility | Revolving Credit Facility | Line of Credit | Related Party
Debt Instrument [Line Items]
Maximum borrowing capacity													$ 266,100,000	ر.س 1,000				$ 266,100,000	1,000
2023 Amended GIB Facility Agreement | Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity																		$ 266,100,000	ر.س 1,000
2025 GIB Credit Facility | Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity															$ 506,600,000	ر.س 1,900
2025 GIB Credit Facility | Revolving Credit Facility | Line of Credit | Related Party
Debt Instrument [Line Items]
Maximum borrowing capacity													$ 506,600,000	ر.س 1,900
DDTL Credit Facility | Secured Debt | Delayed Draw Term Loan (DDTL)
Debt Instrument [Line Items]
Debt instrument, term					5 years
Maximum borrowing capacity					$ 750,000,000.0
2030 Notes
Debt Instrument [Line Items]
Principal amount								$ 1,100,000,000		$ 1,100,000,000
2030 Notes | Call Option
Debt Instrument [Line Items]
Purchase of capped call options	$ 118,300,000
Capped call, premium (in dollar per share) | $ / shares	$ 4.80
2030 Notes | Convertible Debt
Debt Instrument [Line Items]
Principal amount	$ 1,100,000,000
Interest rate	5.00%
Proceeds from convertible debt	$ 1,081,800,000
Proceeds from convertible debt used for repurchase	$ 931,400,000
Convertible Senior Notes Due 2026 | Convertible Debt
Debt Instrument [Line Items]
Interest rate	1.25%
Debt instrument, repurchased face amount	$ 1,052,500,000