The right side: claims on the assets
You have already met the left side of the balance sheet — the assets, the things the company controls. The right side does not list more things; it lists *claims* on those same things. Every dollar of assets was paid for somehow, and someone is owed for it. The accounting equation is just this idea written tightly: Assets = Liabilities + Equity. Read it left to right as a list of resources, then right to left as a list of who funded them. Liabilities are what the company owes to outsiders; equity is what is left over for the owners after those outsiders are satisfied.
A liability is a present obligation, arising from a past event, that the company expects to settle by giving up something of value — usually cash, sometimes goods or services. Notice all three parts. It must already exist (a debt you might take on next year is not yet a liability). It must come from something that already happened (you bought goods on credit, you took a loan, you collected money in advance). And it must require a probable future sacrifice. A vague intention to be generous is not a liability; a signed invoice due in thirty days is.
Current liabilities: what's due within a year
Just as assets split by time, liabilities do too. A current liability is an obligation the company expects to settle within one year (or one operating cycle, whichever is longer); everything else is non-current. This is the same dividing fence you met for assets, and it matters for the same reason: lining up the current liabilities against the current assets tells a reader whether the company can survive the next twelve months without a cash crisis. Current liabilities are the bills already ticking.
Three current liabilities show up almost everywhere. First, accounts payable: money owed to suppliers for goods or services bought on credit, with no formal note signed — the everyday "buy now, pay in thirty days" of business. Accounts payable is the mirror image of a customer's accounts receivable; one company's bill to pay is another's bill to collect. Second, accrued liabilities: expenses the company has *already incurred* but not yet paid — wages earned by staff this week but paid next, interest that has piled up on a loan, taxes owed. Accrued liabilities exist because of accrual accounting: you recorded the expense when it happened, and the matching obligation is parked here until cash goes out.
The third is the one beginners trip over: unearned revenue. A customer pays you in advance — a year of magazine subscriptions, a gym membership, a deposit on a custom sofa. Cash has arrived, but you have not yet done the work. That cash is *not yet your revenue*; it is a debt to deliver. So unearned revenue sits on the liability side: you owe the customer either the product or their money back. As you deliver month by month, you move slices out of the liability and into real revenue. Money in hand that you have not yet earned is an obligation, not a profit — a clean reminder that cash and earnings are different things.
Non-current liabilities: the long-term debt
Beyond the one-year line sit the non-current liabilities — obligations the company will not settle for a long time. The headline example is long-term debt: a bank loan repayable over five years, a mortgage on a building, or bonds payable, where a company borrows from many investors at once by selling them formal IOUs. Bonds payable and other long-term borrowings let a firm finance big, long-lived assets — a factory, a fleet — without draining its cash today. The asset and the debt that paid for it can age together.
One honest subtlety: the *same* loan can sit on both halves at once. If a company owes 500,000 on a loan and 50,000 of that falls due within the next year, that 50,000 is reclassified as a current liability ("current portion of long-term debt") while the remaining 450,000 stays non-current. The split follows the calendar, not the original loan agreement — exactly the rule you learned for assets, applied to the other side. The fence is always "how soon must cash leave?", measured fresh at every balance sheet date.
Equity: the owners' residual claim
Once the liabilities are tallied, whatever assets remain belong to the owners. That leftover is equity — in a corporation, called shareholders' (or stockholders') equity. It is not a pile of cash sitting somewhere; it is a *measurement*, the bookkeeping value of the owners' stake, equal to assets minus liabilities. This is why equity is also called net assets: it is the net of everything the company owns against everything it owes. If a bakery has 300,000 of assets and 200,000 of liabilities, the owners' equity is 100,000 — the slice that would be theirs if every asset were turned to cash and every debt repaid.
A corporation's equity has two great sources, and keeping them apart matters. Contributed capital is money owners put *in* — cash investors handed over to buy newly issued shares. Retained earnings is money the business *made and kept* — the cumulative profit it has earned over its whole life, minus everything paid back out to owners as dividends. One is money poured in from outside; the other is money grown inside and not yet handed back. Two very different stories, deliberately reported on separate lines so a reader can tell a company funded by investors from one funded by its own success.
Contributed capital itself often appears on two lines, for a quirky legal reason. Many shares carry a tiny, arbitrary par value — say 1 dollar — that has nothing to do with what investors actually pay. So when a share is sold for 25, accounting splits the proceeds: 1 goes to the common stock line (par), and the other 24 goes to additional paid-in capital (everything above par). Do not read meaning into the split: together they are simply what owners paid in. Par value is a legal artifact, not a measure of worth — yet another place where a number's *label* matters more than its size.
Liability or equity? The one difference that decides
Both a lender and a shareholder give the company money. So why is one a liability and the other equity? The deciding line is a single question: did the company *promise to pay it back* on fixed terms? A lender is owed a definite amount on a definite date, whether the company thrives or fails — that fixed, enforceable promise makes the loan a liability. A shareholder is promised *nothing definite*; they get dividends only if declared and a payout only if anything is left over at the end. They bought a share of whatever remains, not a claim to a fixed sum. Fixed promise to repay -> liability. Residual stake in the leftovers -> equity.
Assets = Liabilities + Equity
| |
fixed claim, paid first residual claim, paid last
(lenders, suppliers) (the owners)
you PROMISED to repay you owe NOTHING definite
Equity (a corporation) = Contributed capital + Retained earnings
(paid IN by owners) (earned & KEPT)
e.g. share sold @ 25 = 1 common stock + 24 paid-in capitalThis single distinction quietly powers a lot of analysis you will meet later. A company funded mostly by liabilities is *leveraged*: cheap to grow when times are good, dangerous when they sour, because those fixed promises must be paid no matter what. A company funded mostly by equity is steadier but slower, since it grows on owners' patience rather than borrowed muscle. The mix of the two — how much fixed promise versus residual stake sits on the right side — is one of the first things a careful reader weighs. And note the link back to the income statement: every year's retained earnings grows by net income and shrinks by dividends, which is exactly how profit, once earned, finally comes to rest on the balance sheet.