Accrued revenue is an asset. But, on the balance sheet below,

accrued revenue is under current liabilities.

could you explain why?

Alphabet Inc. CONSOLIDATED BALANCE SHEETS (In millions, except share amounts which are reflected in thousands, and par value per share amounts) As of As of December 31, December 31, 2018 2019 Assets Current assets: Cash and cash equivalents $ 16,701 $ 18,498 Marketable securities 92,439 101,177 Total cash, cash equivalents, and marketable securities 109,140 119,675 Accounts receivable, net of allowance of $729 and $753 20,838 25,326 Income taxes receivable, net 355 2,166 Inventory 1,107 999 Other current assets 4,236 4,412 Total current assets 135,676 152,578 Non-marketable investments 13,859 13,078 Deferred income taxes 737 721 Property and equipment, net 59,719 73,646 Operating lease assets 0 10,941 Intangible assets, net 2,220 1,979 Goodwill 17,888 20,624 Other non-current assets 2,693 2,342 Total assets $ 232,792 $ 275,909 Liabilities and Stockholders' Equity Current liabilities: Accounts payable $ 4,378 $ 5,561 Accrued compensation and benefits 6,839 8,495 Accrued expenses and other current liabilities 16,958 23,067 Accrued revenue share 4,592 5,916 Deferred revenue 1,784 1,908 Income taxes payable, net 69 274 1: LA Ann AFA