Summary of Significant Accounting Policies - Schedule of Cash and Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024	Jun. 30, 2024	Dec. 31, 2023
Accounting Policies [Abstract]
Cash and cash equivalents	$ 15,587	$ 16,139	$ 14,635	$ 16,398
Restricted cash included in prepaid expenses and other current assets	559	494	374	543
Restricted cash included in other non-current assets	589	404	345	248
Total as presented in the consolidated statements of cash flows	$ 16,735	$ 17,037	$ 15,354	$ 17,189