FAIR VALUE MEASUREMENTS (Tables)

6 Months Ended

Jun. 30, 2019

Fair Value Disclosures [Abstract]

Financial instruments carried at fair value

Financial assets carried at fair value at June 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	$	4,693	$	—	$	—	$	4,693
Time deposits and certificates of deposit	8		—		—		8
Short-term investments in marketable securities:
International government securities	—		145		—		145
U.S. government securities	—		208		—		208
Corporate debt securities	—		700		—		700
Ctrip convertible debt securities	—		500		—		500
Long-term investments in marketable securities:
International government securities	—		30		—		30
U.S. government securities	—		206		—		206
Corporate debt securities	—		1,352		—		1,352
Ctrip convertible debt securities	—		775		—		775
Marketable equity securities	1,504		—		—		1,504
Other long-term investments	—		—		250		250
Derivatives:
Currency exchange derivatives	—		1		—		1
Total assets at fair value	$	6,205	$	3,917	$	250	$	10,372

 

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
Ctrip convertible debt securities	—		1,177		—		1,177
Marketable equity securities	1,036		—		—		1,036
Other long-term investment	—		—		200		200
Derivatives:
Currency exchange derivatives	—		4		—		4
Total assets at fair value	$	3,123	$	10,358	$	200	$	13,681