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Business Combination, Consideration Transferred, Liabilities Incurred, Term

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Business Combination, Contingent Consideration, Voting Interest To Be Acquired

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Business Combination, Liabilities Settled

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Business Combination, Liabilities Settled In Cash

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Business Combination, Liabilities Settled In Equity Interest

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Business Combination, Put and Call Rights On Outstanding Shares Not Owned By Company, Period After Closing Date

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- Definition

Commitment To Issue Unsecured Convertible Notes, Current

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Commitment To Issue Unsecured Convertible Notes, Noncurrent

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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The price per share of the conversion feature embedded in the debt instrument.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Business Combinations - Narrative (Details) - USD ($)				3 Months Ended		6 Months Ended
Business Combinations - Narrative (Details) - USD ($)	Jan. 11, 2021	Dec. 01, 2020	Jan. 02, 2020	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Convertible notes settled						$ 426,000,000
Convertible notes settled in cash						194,000,000
Convertible notes settled in equity						232,000,000
Goodwill purchase period adjustment						183,000,000
CS Mexico
Business Acquisition [Line Items]
Ownership interest	57.00%
CS-Global \| CS Mexico
Business Acquisition [Line Items]
Ownership interest	100.00%
Careem Inc.
Business Acquisition [Line Items]
Consideration transferred			$ 3,000,000,000.0
Convertible notes			$ 1,600,000,000
Term of convertible notes			90 days
Commitment to issue unsecured convertible notes in connection with Careem acquisition						227,000,000
Commitment to issue unsecured convertible notes in connection with Careem acquisition						$ 121,000,000
Careem Inc. \| The Careem Notes \| Convertible notes
Business Acquisition [Line Items]
Conversion price (in dollars per share)			$ 55
Careem Inc. \| The Careem Notes \| Convertible notes
Business Acquisition [Line Items]
Aggregate principal amount			$ 880,000,000
CS-Global
Business Acquisition [Line Items]
Interest acquired (in percent)					55.00%
Period after closing date					5 years
CS-Mexico \| CS-Global
Business Acquisition [Line Items]
Voting interest to be acquired contingent on regulatory approval							100.00%
Postmates Inc.
Business Acquisition [Line Items]
Consideration transferred		$ 3,900,000,000
Interest acquired (in percent)		100.00%
Goodwill purchase period adjustment				$ 170,000,000
Accrued and other liability, purchase accounting adjustments				$ 170,000,000
CS Mexico
Business Acquisition [Line Items]
Interest acquired (in percent)	55.00%