Stockholders' equity ('shareholders' equity') is the accounting value ('book value') of stockholders' interest in a company. Keep in mind, the shareholders' interest is a residual one: Creditors have first claim on a company's assets. You get a sense of that priority of claims in the following expression of the basic accounting equation:
Stockholders' Equity = Assets-Liabilities
But beyond the fact that it must match up with assets and liabilities, what goes into 'stockholders' equity' on a balance sheet? Assuming a company has any operating history whatsoever, the two basic components of stockholders' equity are:
- Paid-in capital
- Retained earnings
As the name suggests, paid-in-capital (or 'contributed capital') is the money the company has raised from investors through the sale(s) of its stock. Paid-in capital is itself broken down into two accounts: Par value of issued stock and paid-in capital in excess of par value.
Paid-in capital: Par value of issued stock
The par value of issued stock is an arbitrary value assigned to shares in order to fulfill state law. The par value is typically set very low (a penny per share, for example) and is unrelated to the issue price of the shares or their market price.
Corporations like to set a low par value because it represents their "legal capital", which must remain invested in the company and cannot be distributed to shareholders. Another reason for setting a low par value is that when a company issues shares, it cannot sell them to investors at less than par value.
Par value of issued stock may also appear on the balance sheet under the term 'Common stock'.
Paid-in capital in excess of par value
When a company sells shares, the money it receives from investors, minus the par value, is credited to an account named capital in excess of par value (or 'additional paid-in capital'). This is the shareholders' equity section of Wal-Mart Stores' 2014 year-end balance sheet:
Source: Wal-Mart Stores
In many cases, paid-in capital is not broken out on the balance sheet into two separate line items for the par value and the capital in excess of par value. Apple's fiscal 2014 year-end balance sheet is one example:
One last point on paid-in capital: Both examples above only contain common equity because it's the only type of equity that Apple or Walmart has issued. However, some companies issue preferred stock, too, which is also equity and, as such, must figure under stockholders' equity. Furthermore, many companies have multiple share classes and will provide information on each one (even if they provide only a single balance sheet value for 'Common stock'.)
Google's 2014 year-end balance sheet contains a line for convertible preferred stock and breaks down its common stock share count and par value by share class ('A', 'B' and 'C' shares):
As the name suggests, retained earnings is the cumulative amount of net income the company has earned from the time it was created that it has not distributed to shareholders as dividends. Losses are included in the calculation, too: they subtract from retained earnings.
The fact that retained earnings haven't been distributed doesn't mean they're necessarily still available to be distributed. When companies seek to finance expansion or new projects, retained earnings is often the first form of financing they turn to (it's cheaper than issuing new equity.) Retained earnings does not represent a pool of liquid assets – in many cases, the earnings have been reinvested in the business.
In fact, ExxonMobil doesn't refer to 'retained earnings' in its financial statements, preferring the term 'earnings reinvested' instead. As you can see, the oil and gas supermajor had a whopping $408 billion in retained earnings on its balance sheet at the end of 2014 (figures are expressed in hundreds of millions of dollars):
However, if you look at the asset side of the balance sheet, you find that the company's total current assets are valued at just $52.9 billion, with less than $5 billion in cash:
There are two other accounts that you will run across in looking at corporate balance sheets: 'Accumulated other comprehensive income' and 'Treasury stock'.
Accumulated other comprehensive income
You may have noticed that in all the real-world examples included above, there is another line item in shareholders' equity immediately below retained earnings with an opaque and unwieldy name: Accumulated other comprehensive income.
The best way to explain other comprehensive income is to start by defining comprehensive income, which encompasses all changes in the company's equity during a reporting period that are not the result of transactions or events involving stockholders (but only in their capacity as stockholders: If you own Apple shares and you buy an iPhone, the purchase is part of comprehensive income).
Transactions that involve stockholders are primarily the distribution of dividends and the sale or repurchase of the company's stock.
Excluding these transactions, the major source of change in a company's equity is retained earnings, which are a component of comprehensive income. However, there are other sources and thus, other comprehensive income.
Concretely, some examples of other comprehensive income are:
- Revaluations of property, plant and equipment.
- Changes in the fair value of securities categorized as available-for-sale.
- Actuarial gains and losses related to the company's defined benefit pension plan.
Finally, just as the retained earnings figure on the balance sheet is a cumulative amount, the line item that relates to the other comprehensive income is 'Accumulated other comprehensive income', which records the cumulative change to stockholders' equity from comprehensive income.
Treasury stock is created when a company repurchases its own common or preferred shares and holds them in treasury instead of retiring them. Treasury stock is issued, but not outstanding; it has no voting rights and does not receive dividends (for reporting purposes, retired shares are treated as authorized, but not issued). A company can hold treasury stock for multiple purposes:
- To distribute to employees as part of a stock option plans.
- To maintain control and ownership, for example to fend off a hostile takeover bid.
Treasury stock is not an asset, it's a contra-stockholders' equity account, that is to say it is deducted from stockholders' equity. Treasury stock is most often carried on the balance sheet at cost.
Here is Amazon.com's stockholders' equity from its 2014 year-end balance sheet:
Note that the Treasury stock is listed as a negative quantity that reduces stockholders' equity (as an aside, did you notice that the capital stockholders have contributed to Amazon is more than five times retained earnings?).
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