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Information about Segments and Geographic Areas - Revenue and Operating Income/Loss by Segment (Details) $ in Millions, € in Billions								12 Months Ended
	Sep. 14, 2022 EUR (€)	Mar. 20, 2019 USD ($)	Mar. 20, 2019 EUR (€)	Jun. 30, 2018 USD ($)	Jun. 30, 2018 EUR (€)	Jun. 27, 2017 USD ($)	Jun. 27, 2017 EUR (€)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2018 USD ($)
Segment Reporting Information [Line Items]
Revenues from contract with customer								$ 282,836	$ 257,637	$ 182,527
Hedging gains (losses)								1,960	149	176
Segment operating income / (loss)								74,842	78,714	41,224
Unfavorable Regulatory Action
Segment Reporting Information [Line Items]
Loss contingency, loss in period	€ 4.1	$ 1,700	€ 1.5	$ 5,100	€ 4.3	$ 2,700	€ 2.4				$ 5,100
Google Services
Segment Reporting Information [Line Items]
Revenues from contract with customer								253,528	237,529	168,635
Google Cloud
Segment Reporting Information [Line Items]
Revenues from contract with customer								26,280	19,206	13,059
Other Bets
Segment Reporting Information [Line Items]
Revenues from contract with customer								1,068	753	657
Operating Segments \| Google Services
Segment Reporting Information [Line Items]
Segment operating income / (loss)								86,572	91,855	54,606
Operating Segments \| Google Cloud
Segment Reporting Information [Line Items]
Segment operating income / (loss)								(2,968)	(3,099)	(5,607)
Operating Segments \| Other Bets
Segment Reporting Information [Line Items]
Segment operating income / (loss)								(6,083)	(5,281)	(4,476)
Reconciling items
Segment Reporting Information [Line Items]
Segment operating income / (loss)								$ (2,679)	$ (4,761)	$ (3,299)