CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 26,465	$ 18,498
Marketable securities	110,229	101,177
Total cash, cash equivalents, and marketable securities	136,694	119,675
Accounts receivable, net	30,930	25,326
Income taxes receivable, net	454	2,166
Inventory	728	999
Other current assets	5,490	4,412
Total current assets	174,296	152,578
Non-marketable investments	20,703	13,078
Deferred income taxes	1,084	721
Property and equipment, net	84,749	73,646
Operating lease assets	12,211	10,941
Intangible assets, net	1,445	1,979
Goodwill	21,175	20,624
Other non-current assets	3,953	2,342
Total assets	319,616	275,909
Current liabilities:
Accounts payable	5,589	5,561
Accrued compensation and benefits	11,086	8,495
Accrued expenses and other current liabilities	28,631	23,067
Accrued revenue share	7,500	5,916
Deferred revenue	2,543	1,908
Income taxes payable, net	1,485	274
Total current liabilities	56,834	45,221
Long-term debt	13,932	4,554
Deferred revenue, non-current	481	358
Income taxes payable, non-current	8,849	9,885
Deferred income taxes	3,561	1,701
Operating lease liabilities	11,146	10,214
Other long-term liabilities	2,269	2,534
Total liabilities	97,072	74,467
Commitments and Contingencies (Note 10)
Stockholders’ equity:
Convertible preferred stock, $0.001 par value per share, 100,000 shares authorized; no shares issued and outstanding	0	0
Class A and Class B common stock, and Class C capital stock and additional paid-in capital, $0.001 par value per share: 15,000,000 shares authorized (Class A 9,000,000, Class B 3,000,000, Class C 3,000,000); 688,335 (Class A 299,828, Class B 46,441, Class C 342,066) and 675,222 (Class A 300,730, Class B 45,843, Class C 328,649) shares issued and outstanding	58,510	50,552
Accumulated other comprehensive income (loss)	633	(1,232)
Retained earnings	163,401	152,122
Total stockholders’ equity	222,544	201,442
Total liabilities and stockholders’ equity	$ 319,616	$ 275,909
Convertible preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Convertible preferred stock, shares authorized (in shares)	100,000,000	100,000,000
Convertible preferred stock, shares issued (in shares)	0	0
Convertible preferred stock, shares outstanding (in shares)	0	0