Financial Assets & Liabilities - Fair Value Measurements (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Financial assets and financial liabilities measured at fair value on a recurring basis:
Debt securities - current	$ 3,721	$ 852
Fair Value, Recurring
Financial assets and financial liabilities measured at fair value on a recurring basis:
Cash equivalents	3,977	4,018
Total assets	8,164	5,179
Total liabilities	864	1,034
Fair Value, Recurring \| Prepaid Expenses and Other Current Assets
Financial assets and financial liabilities measured at fair value on a recurring basis:
Derivative assets	431	271
Fair Value, Recurring \| Other Noncurrent Assets
Financial assets and financial liabilities measured at fair value on a recurring basis:
Derivative assets	1	7
Fair Value, Recurring \| Other Current Liabilities
Financial assets and financial liabilities measured at fair value on a recurring basis:
Derivative liabilities	171	546
Fair Value, Recurring \| Other Noncurrent Liabilities
Financial assets and financial liabilities measured at fair value on a recurring basis:
Derivative liabilities	693	488
Fair Value, Recurring \| Level 1
Financial assets and financial liabilities measured at fair value on a recurring basis:
Equity investments	2	0
Fair Value, Recurring \| Level 1 \| Money market funds
Financial assets and financial liabilities measured at fair value on a recurring basis:
Cash equivalents	212	306
Fair Value, Recurring \| Level 2
Financial assets and financial liabilities measured at fair value on a recurring basis:
Debt securities - current	3,721	852
Fair Value, Recurring \| Level 2 \| Interest rate contracts
Financial assets and financial liabilities measured at fair value on a recurring basis:
Derivatives designated as hedging - Assets	0	3
Derivatives designated as hedging - Liabilities	579	336
Fair Value, Recurring \| Level 2 \| Foreign exchange contracts
Financial assets and financial liabilities measured at fair value on a recurring basis:
Derivatives designated as hedging - Assets	420	184
Derivatives designated as hedging - Liabilities	185	674
Derivatives not designated as hedging - Assets	12	42
Derivatives not designated as hedging - Liabilities	45	16
Fair Value, Recurring \| Level 2 \| Equity contracts
Financial assets and financial liabilities measured at fair value on a recurring basis:
Derivatives not designated as hedging - Assets	0	49
Derivatives not designated as hedging - Liabilities	55	8
Fair Value, Recurring \| Level 2 \| Time deposits and certificates of deposit
Financial assets and financial liabilities measured at fair value on a recurring basis:
Cash equivalents	3,765	3,712
Fair Value, Recurring \| Level 2 And 3
Financial assets and financial liabilities measured at fair value on a recurring basis:
Debt securities - noncurrent	$ 33	$ 31

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and elected not to be offset.

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Aggregate fair value of all derivative assets designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations.

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Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as an asset.

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Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as a liability.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and elected not to be offset.

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

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Fair value of financial and nonfinancial obligations.

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