Organization, Consolidation and Presentation of Financial Statements

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Stock Issued During Period, Shares, Issued for Contract Incentives

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Stock Issued During Period, Value, Issued for Contract Incentives

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Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Specific incremental costs directly attributable to a proposed or actual offering of securities which are deferred at the end of the reporting period.

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Amount of cost capitalized for award under share-based payment arrangement.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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The cash outflow for cost incurred directly with the issuance of an equity security.

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- Definition

Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity.

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Cash received on stock transaction after deduction of issuance costs.

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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Number of shares issued under share-based payment arrangement.

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Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

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Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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Overview and Summary of Significant Accounting Policies (Details) $ / shares in Units, $ in Millions		1 Months Ended		3 Months Ended			6 Months Ended
	Mar. 31, 2025 USD ($) $ / shares	Apr. 30, 2025 USD ($) shares	Mar. 31, 2025 USD ($) $ / shares shares	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Mar. 31, 2025 USD ($) $ / shares	Jun. 30, 2026 USD ($) segment	Jun. 30, 2025 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Compensation expense				$ 165	$ 145		$ 318	$ 329
Tax withholdings on settlement of shares					93	$ 16
Issuance of common stock for contract incentive						$ 350
Conversion ratio			20
Research and development expense				117	$ 80		$ 221	$ 150
Number of operating segments \| segment							1
Number of reportable segments \| segment							1
AI Infrastructure Services
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Issuance of common stock for contract incentive (in shares) \| shares			9,000,000
IPO
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Compensation expense			$ 177
Capitalized costs			$ 17
Tax withholdings on settlement of restricted stock units (in shares) \| shares			400,000
Shares issued (in shares) \| shares			500,000
Deferred offering costs				$ 31			$ 31
Common Class A
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Issuance of common stock for contract incentive	$ 350
Common Class A \| IPO
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Shares issued in transaction (in shares) \| shares			37,000,000
Sale of stock price (usd per share) \| $ / shares	$ 40.00		$ 40.00			$ 40.00
Proceeds from sale of stock			$ 1,400
Payments of stock issuance costs			$ 31
Conversion of stock, shares issued (in shares) \| shares			155,000,000
Tax withholdings on settlement of shares			$ 16
Common Class A \| Over-Allotment Option
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Shares issued in transaction (in shares) \| shares		2,000,000
Proceeds from sale of stock		$ 68
Redeemable Class A Common Stock \| IPO
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Conversion of stock, shares issued (in shares) \| shares			30,000,000