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Equity Method Investments - Narrative (Details) - USD ($) $ in Millions |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Apr. 10, 2024 | Jun. 30, 2024 | Sep. 30, 2025 | Dec. 31, 2024
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity method investments |  |  | $ 601 | $ 519
Secured Debt | AMER 2 Loan |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Borrowing capacity |  |  | 392 |
Upfront fee |  |  | $ 4 |
Effective interest rate |  |  | 10.00% |
Unused commitment fee |  |  | 0.75% |
Extension term |  |  | 1 year |
Prepayment penalty term |  |  | 18 months |
Borrowing, outstanding |  |  | $ 319 |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Silicon Valley 12 (“SV12”) Data Center Site |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Gain on sale of equity method investment |  | $ 18 |  |
AMER 2 Joint Venture |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Ownership Percentage | 20.00% |  |  |
Equity method investments | $ 26 |  |  |
AMER 2 Joint Venture | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Silicon Valley 12 (“SV12”) Data Center Site |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Consideration | 293 |  |  |
Proceeds from sale of data centers | 246 |  |  |
Receivables acquired in sale of asset | $ 21 |  |  |

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