Consolidated Statements of Changes in Equity - USD ($) shares in Millions, $ in Millions		Total	Ordinary Shares [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Shares [Member]	Total Teva Shareholders' Equity [Member]	Non-controlling Interests [Member]
Beginning balance at Dec. 31, 2019		$ 15,063	$ 56	$ 27,312	$ (6,956)	$ (2,312)	$ (4,128)	$ 13,972	$ 1,091
Beginning balance, shares at Dec. 31, 2019			1,198
Net Income (loss)		25			69			69	(44)
Other Comprehensive income (loss)		(530)				(540)		(540)	10
Issuance of Shares, value	[1]
Issuance of Shares, shares			3
Stock-based compensation expense		30		30				30
Ending balance at Mar. 31, 2020		14,588	$ 56	27,342	(6,887)	(2,852)	(4,128)	13,531	1,057
Ending balance, shares at Mar. 31, 2020			1,201
Beginning balance at Dec. 31, 2020		11,061	$ 57	27,443	(10,946)	(2,399)	(4,128)	10,026	1,035
Beginning balance, shares at Dec. 31, 2020			1,202
Net Income (loss)		84			77			77	7
Other Comprehensive income (loss)		(201)				(134)		(134)	(67)
Issuance of Shares, value	[1]
Issuance of Shares, shares			6
Stock-based compensation expense		31		31				31
Ending balance at Mar. 31, 2021		$ 10,975	$ 57	$ 27,474	$ (10,869)	$ (2,534)	$ (4,128)	$ 10,000	$ 975
Ending balance, shares at Mar. 31, 2021			1,208

[1] Represents an amount less than $0.5 million.