v3.26.1
Stockholders' Equity - Schedule of Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance $ 3,003 $ 2,904 $ 3,015 $ 3,035
Other comprehensive income (loss), net of tax (3) 128 (22) 197
Ending balance 3,022 2,975 3,022 2,975
Foreign Currency Translation Adjustments        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance 92 (64) 147 (195)
Other comprehensive income (loss) before reclassifications (4) 288 (58) 419
Amounts reclassified to net income 0 0 0 0
Tax amounts 1 (1) 0 (1)
Other comprehensive income (loss), net of tax (3) 287 (58) 418
Ending balance 89 223 89 223
Net Investment Hedges        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance (133) (26) (164) 31
Other comprehensive income (loss) before reclassifications 6 (194) 45 (270)
Amounts reclassified to net income (2) (1) (2) 1
Tax amounts (1) 44 (9) 61
Other comprehensive income (loss), net of tax 3 (151) 34 (208)
Ending balance (130) (177) (130) (177)
Cash Flow Hedges        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance 1 3 1 4
Other comprehensive income (loss) before reclassifications 0 (1) 0 (2)
Amounts reclassified to net income (1) 0 (1) 0
Tax amounts 0 1 0 1
Other comprehensive income (loss), net of tax (1) 0 (1) (1)
Ending balance 0 3 0 3
Fair Value Hedges        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance 0 (159) (1) (155)
Other comprehensive income (loss) before reclassifications (3) (12) (1) (18)
Amounts reclassified to net income 0 2 (1) 3
Tax amounts 0 2 0 3
Other comprehensive income (loss), net of tax (3) (8) (2) (12)
Ending balance (3) (167) (3) (167)
Defined Benefit Plans        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance (182) 1 (186) 2
Other comprehensive income (loss) before reclassifications 0 (3) 3 (4)
Amounts reclassified to net income 1 0 3 0
Tax amounts 0 0 (1) 0
Other comprehensive income (loss), net of tax 1 (3) 5 (4)
Ending balance (181) (2) (181) (2)
Less: AOCIL attributable to NCI        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance 0 (245) 2 (313)
Other comprehensive income (loss) before reclassifications 2 78 0 125
Amounts reclassified to net income 0 1 0 4
Tax amounts 0 46 0 64
Other comprehensive income (loss), net of tax 2 125 0 193
Ending balance 2 (120) 2 (120)
AOCIL attributable to GXO        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax        
Beginning balance (222) (245) (201) (313)
Other comprehensive income (loss) before reclassifications 1   (11)  
Amounts reclassified to net income (2)   (1)  
Tax amounts 0   (10)  
Other comprehensive income (loss), net of tax (1) 125 (22) 193
Ending balance $ (223) $ (120) $ (223) $ (120)