v3.25.2
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 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance $ 1,706 $ 1,925 $ 1,791 $ 1,980
Ending balance 1,679 1,931 1,679 1,931
Accumulated Other Comprehensive Loss        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance (842) (845) (880) (814)
Other comprehensive income (loss) 72 17 110 (13)
Amounts reclassified from accumulated other comprehensive loss 1 (1) 1 (2)
Ending balance (769) (829) (769) (829)
Cumulative Translation Adjustment        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance (752) (769) (801) (729)
Other comprehensive income (loss) 66 18 115 (22)
Amounts reclassified from accumulated other comprehensive loss 0 0 0 0
Ending balance (686) (751) (686) (751)
Pension Liability Adjustment        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance (84) (92) (84) (92)
Other comprehensive income (loss) 0 0 0 0
Amounts reclassified from accumulated other comprehensive loss 1 1 1 1
Ending balance (83) (91) (83) (91)
Unrealized Gains (Losses) on Hedges        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Beginning balance (6) 16 5 7
Other comprehensive income (loss) 6 (1) (5) 9
Amounts reclassified from accumulated other comprehensive loss 0 (2) 0 (3)
Ending balance $ 0 $ 13 $ 0 $ 13