CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Net sales	$ 662	$ 895	$ 2,164	$ 2,805
Cost of goods sold	568	663	1,780	2,078
Gross profit	94	232	384	727
Selling, general and administrative expenses	62	69	206	220
Venator settlement	0	0	0	85
Income from operations	32	163	178	422
Interest expense	(42)	(32)	(113)	(92)
Interest income	4	2	10	6
Loss on extinguishment of debt	0	0	0	(21)
Other income, net	0	8	6	12
(Loss) income before income taxes	(6)	141	81	327
Income tax (provision) benefit	(8)	(18)	(339)	187
Net (loss) income	(14)	123	(258)	514
Net income attributable to noncontrolling interest	0	2	2	2
Net (loss) income attributable to Tronox Holdings plc	$ (14)	$ 121	$ (260)	$ 512
(Loss) Earnings per share:
Basic (in dollars per share)	$ (0.09)	$ 0.78	$ (1.66)	$ 3.30
Diluted (in dollars per share)	$ (0.09)	$ 0.77	$ (1.66)	$ 3.23
Weighted average shares outstanding, basic (in thousands) (in shares)	156,816	154,548	156,260	155,027
Weighted average shares outstanding, diluted (in thousands) (in shares)	156,816	156,948	156,260	158,201