Accruals are a direct consequence of accrual accounting: an expense is recognized when the obligation arises, not when it is paid. In XBRL filings, the combined balance-sheet line is usually tagged AccruedLiabilitiesCurrent. Employee-related amounts such as salaries and benefits can be tagged EmployeeRelatedLiabilitiesCurrent, and companies that present payables and accruals in a single line use AccountsPayableAndAccruedLiabilitiesCurrent, with the split given in a footnote.
Regulation S-X Rule 5-02.20 governs other current liabilities. It requires any individual item larger than 5 percent of total current liabilities to be shown separately, either on the balance sheet or in a note, and names accrued payrolls, accrued interest, and taxes as examples. This is why large companies usually publish a footnote listing the major components of their accrued expenses.
Accrued liabilities differ from accounts payable mainly in documentation and precision. Payables rest on invoices; accruals rest on contracts, payroll records, and estimates, which gives management some judgment over their size. Analysts watch for unusual swings. An accrual balance that falls sharply while expenses stay flat can mean costs are being under-recorded, and a release of an over-estimated accrual can inflate earnings in the period it happens. Growth in accruals also adds to operating cash flow, in the same way growth in payables does.