|  | Three Months Ended |  | % Variation |
--- | --- | --- | --- | --- | ---
| December 31, 2019 | September 29, 2019 | December 31, 2018 | Sequential | Year-Over-Year
|  |  | (Unaudited, in millions) |  |
Automotive and Discrete Group (ADG) | $924 | $894 | $967 | 3.3% | (4.5)%
Analog, MEMS and Sensors Group (AMS) | 1,085 | 968 | 988 | 12.1 | 9.9
Microcontrollers and Digital ICs Group (MDG) | 742 | 688 | 689 | 7.9 | 7.6
Others | 3 | 3 | 4 | — | —
Total consolidated net revenues | $2,754 | $2,553 | $2,648 | 7.9% | 4.0%