Cash, Cash Equivalents, and Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2020

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The following table categorizes the fair values of cash, cash equivalents, and marketable securities measured at fair value on a recurring basis on our balance sheets at December 31 (in millions):


	Fair Value Level	2019		2020
Cash and cash equivalents
United States government	1	$	—	$	3,255
United States government agencies	2	—		640
Non-United States government and agencies	2	350		717
Corporate debt	2	604		970
Total marketable securities classified as cash equivalents		954		5,582
Cash, time deposits and money market funds		8,113		8,767
Total cash and cash equivalents		$	9,067	$	14,349

Marketable securities
United States government	1	$	195	$	1,082
United States government agencies	2	210		485
Non-United States government and agencies	2	2,408		2,693
Corporate debt	2	193		308
Other marketable securities	2	290		292
Total marketable securities		$	3,296	$	4,860

Schedule of cash, cash equivalents and restricted cash [Table Text Block]

Cash, cash equivalents, and restricted cash as reported in the consolidated statements of cash flows are presented separately on our consolidated balance sheets as follows (in millions):


	December 31, 2019		December 31, 2020
Cash and cash equivalents	$	9,067	$	14,349
Restricted cash included in other assets (a)	139		647
Cash, cash equivalents and restricted cash in assets held-for-sale	62		—
Total cash, cash equivalents, and restricted cash	$	9,268	$	14,996

__________

(a)Restricted cash primarily includes cash held to meet certain local governmental and regulatory reserve requirements and cash held under the terms of certain contractual agreements. Restricted cash does not include required minimum balances or cash securing debt issued through securitization transactions.