I don't know what a Cathay wide body pilot earns but, currently at American just as an example, all in US dollars:
777 Captain earns around $230,000 year salary assuming around 1,000 hours of credit per year
777 First Officer earns around $156,000/year salary assuming around 1,000 hours of credit per year.
A 747 crew earns a few thousand bucks more per year. Those wages above lag Delta and United by around 15-20% as Delta and United are further along in their mergers (Northwest and Continental, respectively) than American is with US Airways, and therefore have completed post-bankruptcy contracts years ago.
16% of their gross salary is put into a retirement account to be invested as the pilot desires. So if a pilot earns $200,000/year for example, an additional $32,000 (over and above the $200,000) is put into this retirement account.
I would take an educated guess that the junior-most 777 Captain at American has probably been at that airline at least 25 years. The junior-most 777 First Officer probably 10-15 years.
They're probably paying a few hundred bucks a month for medical insurance for their families.
They're probably getting anywhere from 14-18 days off per month on average as widebody guys/gals.
All the employees at the major airlines in the US travel space available on their own airline based on seniority. It's pretty cheap to travel this way- maybe a flight from Dallas to Boston for an American employee would be in the tens of dollars. And of course, ZED/ID90 arrangements on other airlines worldwide are available. US pilots can fly in any other US airlines' cockpit jump seat for free at any time.
When they retire, if they're anything like Delta or United, they're probably paying a few to several hundred dollars per month in medical insurance, although in the US at age 65 everyone gets Medicare for medical insurance anyway and that is sort-of inexpensive for the "basic" medical insurance plan.
That is the majority of an American pilot's earning, but of course there are other little perks that might add to total salary (occasional overtime, moving expenses, instructor overrides, etc.) How does that compare to Cathay?