Revenues - Revenue by Segment (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Segment Reporting [Line Items]
Hedging gains (losses)	$ 194	$ (207)	$ 120	$ (60)
Total revenues	127,577	102,346	357,269	289,007
Google Services
Segment Reporting [Line Items]
Revenue from contract with customers	96,302	87,052	280,479	246,859
Google Cloud
Segment Reporting [Line Items]
Revenue from contract with customers	30,709	15,157	75,505	41,041
Other Bets
Segment Reporting [Line Items]
Revenue from contract with customers	372	344	1,165	1,167
Google Search & other \| Google Services
Segment Reporting [Line Items]
Revenue from contract with customers	63,350	56,567	187,020	161,459
YouTube ads \| Google Services
Segment Reporting [Line Items]
Revenue from contract with customers	11,207	10,261	32,145	28,984
Google Network \| Google Services
Segment Reporting [Line Items]
Revenue from contract with customers	7,455	7,354	21,729	21,964
Google advertising \| Google Services
Segment Reporting [Line Items]
Revenue from contract with customers	82,012	74,182	240,894	212,407
Google subscriptions, platforms, and devices \| Google Services
Segment Reporting [Line Items]
Revenue from contract with customers	$ 14,290	$ 12,870	$ 39,585	$ 34,452

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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