Property, Equipment and Technology, Net - Schedule of Estimated Future Amortization Expense on Technology (Details) - Estimated future amortization expense $ in Millions	Sep. 30, 2025 USD ($)
Finite-Lived Intangible Assets [Line Items]
2026	$ 802
2027	640
2028	509
2029	355
2030	174
Thereafter	144
Total	$ 2,624