Fair value measurement - (Tables)

12 Months Ended

Dec. 31, 2020

Fair value of each major class of financial assets and liabilities measured at fair value on a recurring basis

The fair values of each major class of the Company’s financial assets and liabilities measured at fair value on a recurring basis were as follows (in millions):


Fair value measurement as of December 31, 2020, using:	Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)		Total
Assets:
Available-for-sale securities:
U.S. Treasury notes	$	130	$	—	$	—	$	130
U.S. Treasury bills	4,948		—		—		4,948
Corporate debt securities:
Financial	—		—		—		—
Industrial	—		—		—		—
Other	—		—		—		—
Residential-mortgage-backed securities	—		—		—		—

Money market mutual funds	4,765		—		—		4,765
Other short-term interest-bearing securities	—		2		—		2
Equity securities	477		—		—		477
Derivatives:
Foreign currency contracts	—		28		—		28
Cross-currency swap contracts	—		255		—		255
Interest rate swap contracts	—		66		—		66
Total assets	$	10,320	$	351	$	—	$	10,671
Liabilities:
Derivatives:
Foreign currency contracts	$	—	$	237	$	—	$	237
Cross-currency swap contracts	—		318		—		318
Interest rate swap contracts	—		15		—		15
Contingent consideration obligations	—		—		33		33
Total liabilities	$	—	$	570	$	33	$	603


Fair value measurement as of December 31, 2019, using:	Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)		Total
Assets:
Available-for-sale securities:
U.S. Treasury notes	$	360	$	—	$	—	$	360
U.S. Treasury bills	—		—		—		—
Corporate debt securities:
Financial	—		1,121		—		1,121
Industrial	—		834		—		834
Other	—		198		—		198
Residential-mortgage-backed securities	—		182		—		182

Money market mutual funds	5,250		—		—		5,250
Other short-term interest-bearing securities	—		289		—		289
Equity securities	303		—		—		303
Derivatives:
Foreign currency contracts	—		224		—		224
Cross-currency swap contracts	—		66		—		66
Interest rate swap contracts	—		259		—		259
Total assets	$	5,913	$	3,173	$	—	$	9,086
Liabilities:
Derivatives:
Foreign currency contracts	$	—	$	31	$	—	$	31
Cross-currency swap contracts	—		315		—		315
Interest rate swap contracts	—		—		—		—
Contingent consideration obligations	—		—		61		61
Total liabilities	$	—	$	346	$	61	$	407