v3.25.4
Significant Accounting Policies - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balance at beginning of period $ 1,601 $ 1,266
Other comprehensive income (loss) 68 (20)
Amounts reclassified from AOCI (9) (9)
Net current period other comprehensive income (loss) 59 (29)
Balance at end of period 1,861 1,601
AOCI Attributable to XPO    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balance at beginning of period (246) (217)
Balance at end of period (187) (246)
Foreign Currency Translation Adjustments    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balance at beginning of period (107) (91)
Other comprehensive income (loss) 49 (7)
Amounts reclassified from AOCI (10) (9)
Net current period other comprehensive income (loss) 39 (16)
Balance at end of period (68) (107)
Derivative Hedges    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balance at beginning of period 0 (2)
Other comprehensive income (loss) 1 3
Amounts reclassified from AOCI (2) (1)
Net current period other comprehensive income (loss) (1) 2
Balance at end of period (1) 0
Defined Benefit Plans Liability    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balance at beginning of period (139) (124)
Other comprehensive income (loss) 18 (16)
Amounts reclassified from AOCI 3 1
Net current period other comprehensive income (loss) 21 (15)
Balance at end of period $ (118) $ (139)