Identifiable Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2021

Summary of Identifiable Intangible Assets

Identifiable intangible assets consisted of the following:

	Gross carrying amount net of impairment				Accumulated amortization				Net carrying amount
	March 31,		December 31,		March 31,		December 31,		March 31,		December 31,
	2021		2020		2021		2020		2021		2020
	(U.S. $ in millions)
Product rights	$	19,213	$	19,650	$	12,019	$	12,094	$	7,194	$	7,556
Trade names		610		621		173		165		437		456
In process research and development		814		911		—		—		814		911
Total	$	20,637	$	21,182	$	12,192	$	12,259	$	8,445	$	8,923