FAIR VALUE MEASUREMENTS (Tables)

9 Months Ended

Sep. 30, 2019

Fair Value Disclosures [Abstract]

Financial instruments carried at fair value

Financial assets and liabilities carried at fair value at September 30, 2019 are classified in the categories described in the table below (in millions):

	Level 1		Level 2		Level 3		Total
ASSETS:
Cash and restricted cash equivalents:
Money market funds	$	5,885	$	—	$	—	$	5,885
Corporate debt securities	—		7		—		7
Time deposits and certificates of deposit	6		—		—		6
Short-term investments in marketable securities:
International government securities	—		108		—		108
U.S. government securities	—		153		—		153
Corporate debt securities	—		703		—		703
Time deposits and certificates of deposit	9		—		—		9
Long-term investments in marketable securities:
International government securities	—		28		—		28
U.S. government securities	—		178		—		178
Corporate debt securities	—		1,166		—		1,166
Trip.com Group convertible debt securities	—		741		—		741
Marketable equity securities	1,455		—		—		1,455
Other long-term investments	—		—		250		250
Total assets at fair value	$	7,355	$	3,084	$	250	$	10,689
LIABILITIES:
Foreign currency exchange derivatives	$	—	$	2	$	—	$	2

 

Financial assets carried at fair value at December 31, 2018 are classified in the categories described in the table below (in millions):        

	Level 1		Level 2		Level 3		Total
Cash and restricted cash equivalents:
Money market funds	$	2,061	$	—	$	—	$	2,061
International government securities	—		21		—		21
U.S. government securities	—		1		—		1
Commercial paper	—		2		—		2
Time deposits and certificates of deposit	25		—		—		25
Short-term investments in marketable securities:
International government securities	—		314		—		314
U.S. government securities	—		656		—		656
Corporate debt securities	—		2,681		—		2,681
U.S. government agency securities	—		1		—		1
Commercial paper	—		7		—		7
Time deposits and certificates of deposit	1		—		—		1
Long-term investments in marketable securities:
International government securities	—		800		—		800
U.S. government securities	—		293		—		293
Corporate debt securities	—		4,401		—		4,401
Trip.com Group convertible debt securities	—		1,177		—		1,177
Marketable equity securities	1,036		—		—		1,036
Other long-term investment	—		—		200		200
Derivatives:
Foreign currency exchange derivatives	—		4		—		4
Total assets at fair value	$	3,123	$	10,358	$	200	$	13,681