v3.26.3
Stockholders' Equity - Schedule of Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance $ 3,022 $ 2,975 $ 3,015 $ 3,035
Other comprehensive income (loss), net of tax 16 (57) (6) 140
Ending balance 3,024 2,988 3,024 2,988
Foreign Currency Translation Adjustments        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance 89 223 147 (195)
Other comprehensive income (loss) before reclassifications (1) (72) (59) 347
Amounts reclassified to net income (loss) 0 0 0 0
Tax amounts 0 (1) 0 (2)
Other comprehensive income (loss), net of tax (1) (73) (59) 345
Ending balance 88 150 88 150
Net Investment Hedges        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance (130) (177) (164) 31
Other comprehensive income (loss) before reclassifications 20 18 65 (252)
Amounts reclassified to net income (loss) (2) (1) (4) 0
Tax amounts (4) (3) (13) 58
Other comprehensive income (loss), net of tax 14 14 48 (194)
Ending balance (116) (163) (116) (163)
Cash Flow Hedges        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance 0 3 1 4
Other comprehensive income (loss) before reclassifications 0 0 0 (2)
Amounts reclassified to net income (loss) 0 0 (1) 0
Tax amounts 0 (1) 0 0
Other comprehensive income (loss), net of tax 0 (1) (1) (2)
Ending balance 0 2 0 2
Fair Value Hedges        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance (3)   (1)  
Other comprehensive income (loss) before reclassifications 2   1  
Amounts reclassified to net income (loss) (1)   (2)  
Tax amounts 0   0  
Other comprehensive income (loss), net of tax 1   (1)  
Ending balance (2)   (2)  
Defined Benefit Plans        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance (181) (167) (186) (155)
Other comprehensive income (loss) before reclassifications 1 3 4 (15)
Amounts reclassified to net income (loss) 2 1 5 4
Tax amounts (1) (1) (2) 2
Other comprehensive income (loss), net of tax 2 3 7 (9)
Ending balance (179) (164) (179) (164)
Less: AOCIL attributable to NCI        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance 2 (2) 2 2
Other comprehensive income (loss) before reclassifications 0 3 0 (1)
Amounts reclassified to net income (loss) 0 0 0 0
Tax amounts 0 0 0 0
Other comprehensive income (loss), net of tax 0 3 0 (1)
Ending balance 2 1 2 1
AOCIL attributable to GXO        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance (223) (120) (201) (313)
Other comprehensive income (loss) before reclassifications 22 (48) 11 77
Amounts reclassified to net income (loss) (1) 0 (2) 4
Tax amounts (5) (6) (15) 58
Other comprehensive income (loss), net of tax 16 (54) (6) 139
Ending balance $ (207) $ (174) $ (207) $ (174)