Fair Value of Financial Instruments - Schedule of Cash, Cash Equivalents and Investments Classified by Security Type (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Marketable Securities [Line Items]
Cash and cash equivalents	$ 16,513	$ 16,139	$ 16,398
Total cash, cash equivalents and short-term investments	44,056	36,549
Gross Unrealized Gains	7	15
Gross Unrealized Losses	(4)	(1)
Total cash, cash equivalents and short-term investments	44,059	36,563
Short-term investments	27,546	20,424
Certificates of deposit and time deposits
Marketable Securities [Line Items]
Adjusted Cost	14,598	12,767
Gross Unrealized Gains	2	0
Gross Unrealized Losses	0	0
Fair Value	14,600	12,767
Short-term investments	14,600	12,767
Commercial paper
Marketable Securities [Line Items]
Adjusted Cost	5,619	3,908
Gross Unrealized Gains	0	11
Gross Unrealized Losses	(2)	0
Fair Value	5,617	3,919
Short-term investments	5,617	3,919
U.S. government securities
Marketable Securities [Line Items]
Adjusted Cost	7,318	3,618
Gross Unrealized Gains	5	3
Gross Unrealized Losses	(2)	(1)
Fair Value	7,321	3,620
Short-term investments	7,321	3,620
Corporate debt securities
Marketable Securities [Line Items]
Adjusted Cost	8	117
Gross Unrealized Gains	0	1
Gross Unrealized Losses	0	0
Fair Value	8	118
Short-term investments	8	118
Cash
Marketable Securities [Line Items]
Cash and cash equivalents	14,623	14,386
Fair Value	14,623	14,386
Money market funds
Marketable Securities [Line Items]
Cash and cash equivalents	1,890	1,753
Fair Value	$ 1,890	$ 1,753

Debt Securities, Available-for-Sale, Amortized Cost, Including Cash And Cash Equivalents

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