Revenues - Narrative (Details) - USD ($) $ in Billions	3 Months Ended
Mar. 31, 2026	Dec. 31, 2025
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue not yet recognized	$ 467.6
Revenue backlog on contracts with an original expected term of one year or less	7.3
Total deferred revenue	9.8	$ 8.6
Deferred revenue recognized during period	$ 3.5
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-04-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Expected timing of revenue recognition, percentage	50.00%
Expected timing of revenue recognition	24 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-04-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Expected timing of revenue recognition
Google Cloud
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue not yet recognized	$ 462.3

Revenue, Remaining Performance Obligation, Contracts With An Original Term Less Than One Year, Amount

No definition available.

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- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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+ References

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Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Percentage of remaining performance obligation to total remaining performance obligation not recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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