Financial Instruments and Fair Value Measurements - Summary of Cash and Available-for-Sale Securities by Significant Investment Category (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 15,479	$ 10,774
Level 2
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	18,684	17,622
Unrealized Gains	0	0
Unrealized Losses	(464)	(52)
Fair Value	18,220	17,570
Cash and Cash Equivalents \| Level 2
Debt Securities, Available-for-sale [Line Items]
Fair Value	3,205	6,848
Current Marketable Securities \| Level 2
Debt Securities, Available-for-sale [Line Items]
Fair Value	6,697	3,879
Non- Current Marketable Securities \| Level 2
Debt Securities, Available-for-sale [Line Items]
Fair Value	8,318	6,843
Cash and Cash Equivalents \| Level 1
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	3,205	6,848
Fair Value	3,205	6,848
Cash and Cash Equivalents \| Cash and Cash Equivalents \| Level 1
Debt Securities, Available-for-sale [Line Items]
Fair Value	3,205	6,848
Certificates of deposit \| Level 2
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	188	80
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	188	80
Certificates of deposit \| Cash and Cash Equivalents \| Level 2
Debt Securities, Available-for-sale [Line Items]
Fair Value	0	0
Certificates of deposit \| Current Marketable Securities \| Level 2
Debt Securities, Available-for-sale [Line Items]
Fair Value	188	80
Certificates of deposit \| Non- Current Marketable Securities \| Level 2
Debt Securities, Available-for-sale [Line Items]
Fair Value	0	0
U.S. treasury bills \| Level 2
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	767	479
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	767	479
U.S. treasury bills \| Cash and Cash Equivalents \| Level 2
Debt Securities, Available-for-sale [Line Items]
Fair Value	0	0
U.S. treasury bills \| Current Marketable Securities \| Level 2
Debt Securities, Available-for-sale [Line Items]
Fair Value	767	479
U.S. treasury bills \| Non- Current Marketable Securities \| Level 2
Debt Securities, Available-for-sale [Line Items]
Fair Value	0	0
U.S. treasury notes \| Level 2
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	7,781	6,595
Unrealized Gains	0	0
Unrealized Losses	(229)	(31)
Fair Value	7,552	6,564
U.S. treasury notes \| Cash and Cash Equivalents \| Level 2
Debt Securities, Available-for-sale [Line Items]
Fair Value	0	0
U.S. treasury notes \| Current Marketable Securities \| Level 2
Debt Securities, Available-for-sale [Line Items]
Fair Value	4,182	1,984
U.S. treasury notes \| Non- Current Marketable Securities \| Level 2
Debt Securities, Available-for-sale [Line Items]
Fair Value	3,370	4,580
Corporate debt securities \| Level 2
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	6,595	3,508
Unrealized Gains	0	0
Unrealized Losses	(226)	(20)
Fair Value	6,369	3,488
Corporate debt securities \| Cash and Cash Equivalents \| Level 2
Debt Securities, Available-for-sale [Line Items]
Fair Value	0	0
Corporate debt securities \| Current Marketable Securities \| Level 2
Debt Securities, Available-for-sale [Line Items]
Fair Value	1,560	1,323
Corporate debt securities \| Non- Current Marketable Securities \| Level 2
Debt Securities, Available-for-sale [Line Items]
Fair Value	4,809	2,165
Government debt securities \| Level 2
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	148	112
Unrealized Gains	0	0
Unrealized Losses	(9)	(1)
Fair Value	139	111
Government debt securities \| Cash and Cash Equivalents \| Level 2
Debt Securities, Available-for-sale [Line Items]
Fair Value	0	0
Government debt securities \| Current Marketable Securities \| Level 2
Debt Securities, Available-for-sale [Line Items]
Fair Value	0	13
Government debt securities \| Non- Current Marketable Securities \| Level 2
Debt Securities, Available-for-sale [Line Items]
Fair Value	$ 139	$ 98

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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