Cash and Cash Equivalents, and Marketable Securities

3 Months Ended

Mar. 31, 2020

Cash and Cash Equivalents and Marketable Securities [Abstract]

Cash and Cash Equivalents, and Marketable Securities

The following table sets forth the cash and cash equivalents and marketable securities (in millions):



	March 31, 2020		December 31, 2019
Cash and cash equivalents:
Cash	$	4,657	$	4,735
Money market funds	18,155		12,787
U.S. government securities	287		815
U.S. government agency securities	217		444
Certificate of deposits and time deposits	203		217
Corporate debt securities	99		81
Total cash and cash equivalents	23,618		19,079
Marketable securities:
U.S. government securities	19,331		18,679
U.S. government agency securities	6,617		6,712
Corporate debt securities	10,723		10,385
Total marketable securities	36,671		35,776
Total cash and cash equivalents and marketable securities	$	60,289	$	54,855

The gross unrealized gains on our marketable securities were $631 million and $205 million as of March 31, 2020 and December 31, 2019, respectively. The gross unrealized losses on our marketable securities were $44 million and $24 million as of March 31, 2020 and December 31, 2019, respectively. The allowance for credit losses was not material as of March 31, 2020.

The following table classifies our marketable securities by contractual maturities (in millions):



	March 31, 2020
Due in one year	$	13,070
Due after one year to five years	23,601
Total	$	36,671