Amazon defines this as:
Includes annual and monthly fees associated with Amazon Prime membership, as well as audiobook, e-book, digital video, digital music, and other subscription services.
2014: $2.762 billion, 2015: $4.467 billion, 2016: $6.394 billion.
Last reported quarter 2024 Q4 it was $11.51 billion, up by 10% year-over-year from $10.49 billion. From $40.21 billion in 2023 it increased by 10% to $44.38 billion in 2024.