Derivatives - Schedule of Effect of Derivatives on the Consolidated Statement of Operations and Comprehensive Income (Loss) (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Derivatives not designated as hedging instruments: | ||
| Total gain (loss) on derivatives | $ (28) | $ 189 |
| Capped Call Transactions | Location, Statement of Income, Balance [Axis]: us-gaap:UnrealizedGainLossOnInvestments | ||
| Derivatives not designated as hedging instruments: | ||
| Total gain (loss) on derivatives | (28) | 192 |
| Bitcoin purchase option | Location, Statement of Income, Balance [Axis]: us-gaap:RealizedInvestmentGainsLosses | ||
| Derivatives not designated as hedging instruments: | ||
| Total gain (loss) on derivatives | 0 | (6) |
| Bitcoin purchase option | Location, Statement of Income, Balance [Axis]: us-gaap:UnrealizedGainLossOnInvestments | ||
| Derivatives not designated as hedging instruments: | ||
| Total gain (loss) on derivatives | $ 0 | $ 3 |