having said that, WHY isnt there a breakdown, line item, for all costs that our government spends?
There is, but you're clearly too lazy to look for it and almost certainly too lazy to actually read through it.
That took all of 5 seconds on Google. That's FY2013 but it's hard to imagine anything significant changed for FY2014.
Reports similar to this are available for just about every government agency. The budget omnibus that congress passes is a matter of public record as is the requests that each government agency submits (which the budget omnibus is based on).
Of course they aren't going to just mail these reports to you on a subscription basis - you actually have to get off your ass and find them or... god forbid... ask for them!