Information about Segments and Geographic Areas (Operating Income (Loss) by Segment) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2020 |
|
| Segment Reporting Information [Line Items] | ||||
| Segment operating income (loss) | $ 19,361 | $ 6,383 | $ 35,798 | $ 14,360 |
| Operating Segments | Google Services | ||||
| Segment Reporting Information [Line Items] | ||||
| Segment operating income (loss) | 22,343 | 9,539 | 41,889 | 21,087 |
| Operating Segments | Google Cloud | ||||
| Segment Reporting Information [Line Items] | ||||
| Segment operating income (loss) | (591) | (1,426) | (1,565) | (3,156) |
| Operating Segments | Other Bets | ||||
| Segment Reporting Information [Line Items] | ||||
| Segment operating income (loss) | (1,398) | (1,116) | (2,543) | (2,237) |
| Reconciling items | ||||
| Segment Reporting Information [Line Items] | ||||
| Segment operating income (loss) | $ (993) | $ (614) | $ (1,983) | $ (1,334) |