Fair value measurement (Tables)

12 Months Ended

Dec. 31, 2013

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

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



Fair value measurement as of December 31, 2013, 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 investments:
U.S. Treasury securities	$	4,730	$	—	$	—	$	4,730
Other government-related debt securities:
U.S.	—		1,079		—		1,079
Foreign and other	—		1,546		—		1,546
Corporate debt securities:
Financial	—		3,676		—		3,676
Industrial	—		3,760		—		3,760
Other	—		390		—		390
Residential mortgage-backed securities	—		1,460		—		1,460
Other mortgage- and asset-backed securities	—		1,511		—		1,511
Money market mutual funds	3,366		—		—		3,366
Other short-term interest bearing securities	—		750		—		750
Equity securities	95		—		—		95
Derivatives:
Foreign currency contracts	—		53		—		53
Cross-currency swap contracts	—		193		—		193
Total assets	$	8,191	$	14,418	$	—	$	22,609
Liabilities:
Derivatives:
Foreign currency contracts	$	—	$	107	$	—	$	107
Cross-currency swap contracts	—		4		—		4
Interest rate swap contracts	—		161		—		161
Contingent consideration obligations in connection with business combinations	—		—		595		595
Total liabilities	$	—	$	272	$	595	$	867



Fair value measurement as of December 31, 2012, 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 investments:
U.S. Treasury securities	$	4,458	$	—	$	—	$	4,458
Other government-related debt securities:
U.S.	—		1,030		—		1,030
Foreign and other	—		1,608		—		1,608
Corporate debt securities:
Financial	—		3,361		—		3,361
Industrial	—		4,380		—		4,380
Other	—		452		—		452
Residential mortgage-backed securities	—		1,829		—		1,829
Other mortgage- and asset-backed securities	—		1,767		—		1,767
Money market mutual funds	2,620		—		—		2,620
Other short-term interest-bearing securities	—		2,186		—		2,186
Equity securities	54		—		—		54
Derivatives:
Foreign currency contracts	—		46		—		46
Cross-currency swap contracts	—		65		—		65
Total assets	$	7,132	$	16,724	$	—	$	23,856
Liabilities:
Derivatives:
Foreign currency contracts	$	—	$	59	$	—	$	59
Cross-currency swap contracts	—		6		—		6
Contingent consideration obligations in connection with a business combination	—		—		221		221
Total liabilities	$	—	$	65	$	221	$	286

Change in carrying amounts of contingent consideration obligations

The changes in carrying amounts of contingent consideration obligations for the years ended December 31, 2013 and 2012, were as follows (in millions):



	2013		2012
Beginning balance	$	221	$	190
Additions from Onyx acquisition	261		—
Net changes in valuation	113		31
Ending balance	$	595	$	221