Fair Value of Financial Instruments - Schedule of Estimated Fair Values and Carrying Values (Detail) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
2024 Notes, Carrying Value	$ 5,275	$ 2,682
Digital assets, net	184	184
2024 Notes
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
2024 Notes, Carrying Value	0	37
2024 Notes, Fair Value	0	443
Digital Assets
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Digital assets, net	184	184
Fair market value of digital assets	$ 729	$ 487

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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