Document and Entity Information	6 Months Ended
	Jun. 30, 2013	Jul. 31, 2013 Class A common stock [Member]	Jul. 31, 2013 Class B common stock [Member]
Entity Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q2
Trading Symbol	TROX
Entity Registrant Name	Tronox Ltd
Entity Central Index Key	0001530804
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		113,458,282	113,458,282