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Accumulated Other Comprehensive Loss Attributable to Tronox Holdings plc and Other Equity Items - Schedule of Changes in Accumulated Other Comprehensive Loss by Component (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance $ 1,980 $ 2,403
Ending balance 1,925 2,399
Accumulated Other Comprehensive Loss    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance (814) (768)
Other comprehensive (loss) income (30) (20)
Amounts reclassified from accumulated other comprehensive loss (1) 3
Ending balance (845) (785)
Cumulative Translation Adjustment    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance (729) (710)
Other comprehensive (loss) income (40) (15)
Amounts reclassified from accumulated other comprehensive loss 0 0
Ending balance (769) (725)
Pension Liability Adjustment    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance (92) (78)
Other comprehensive (loss) income 0 1
Amounts reclassified from accumulated other comprehensive loss 0 0
Ending balance (92) (77)
Unrealized Gains (Losses) on Hedges    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance 7 20
Other comprehensive (loss) income 10 (6)
Amounts reclassified from accumulated other comprehensive loss (1) 3
Ending balance $ 16 $ 17