How do long time married couples with a single income split finances (not seeking legal advice, literally the how)

I’m talking like one person brought in all the money for a decade, then a divorce happens. Some of it makes sense - a house with mortgage, one spouse buys the other out of the house. Which is great, but if one spouse doesn’t have the income to take a loan out to buy the other, does that mean that the spouse who does have the...