Their profit in the last 12 months is $25 billion.
You might have googled 'gross profit' which isn't the same thing, as it doesn't account for the many costs of running a capital-intensive business, like machines and stuff.
The table below the chart makes it abundantly clear that they are reporting quarterly numbers.
The title of the table you reference makes it clear they're reporting TTM numbers.
TTM = Trailing Twelve Months
In general, the frequency of reporting doesn't have to match the measurement period. For example, inflation is often reported monthly, even though it measures the change in the level of prices since a year ago.