Other Balance Sheet Components - Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Prepaid services	$ 332	$ 216
Income tax receivable	288	10
Prepaid income taxes	214	187
Down payments to manufacturing vendors	77	229
Interest receivable	62	61
Down payments for materials and supplies	61	219
Tenant improvement allowance receivable	42	42
Collaboration receivable	41	11
Value added tax receivable	23	140
Convertible note receivable	0	36
Other current assets	53	44
Prepaid expenses and other current assets	$ 1,193	$ 1,195