Commitments and Contingencies - Summary of Operating Lease Assets and Liabilities Recorded in the Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]
Operating lease assets	$ 6,467	$ 3,784
Operating lease liabilities, current	766	718
Operating lease liabilities, noncurrent	$ 6,473	$ 3,740
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other noncurrent assets, net	Other noncurrent assets, net
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued expenses and other current liabilities	Accrued expenses and other current liabilities
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other noncurrent liabilities	Other noncurrent liabilities