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Cash and Cash Equivalents
3 Months Ended
Mar. 31, 2022
Cash and Cash Equivalents [Abstract]  
CASH, CASH EQUIVALENTS, AND MARKETABLE SECURITIES CASH, CASH EQUIVALENTS, AND MARKETABLE SECURITIES
The fair values of cash, cash equivalents, and marketable securities measured at fair value on a recurring basis were as follows (in millions):

Fair Value LevelDecember 31,
2021
March 31,
2022
Cash and cash equivalents
United States government1$711 $615 
United States government agencies2240 200 
Non-United States government and agencies2152 436 
Corporate debt2940 889 
Total marketable securities classified as cash equivalents2,043 2,140 
Cash, time deposits, and money market funds8,920 8,439 
Total cash and cash equivalents$10,963 $10,579 
Marketable securities
United States government1$864 $413 
United States government agencies275 75 
Non-United States government and agencies2697 1,036 
Corporate debt2304 297 
Other marketable securities2233 215 
Total marketable securities$2,173 $2,036 

Cash, Cash Equivalents, and Restricted Cash 

Cash, cash equivalents, and restricted cash, as reported in the consolidated statements of cash flows, were as follows (in millions):
December 31,
2021
March 31,
2022
Cash and cash equivalents$10,963 $10,579 
Restricted cash (a)128 119 
Total cash, cash equivalents, and restricted cash$11,091 $10,698 
__________
(a)Restricted cash is included in Other assets on our consolidated balance sheets and is primarily 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.