Condensed Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (134)	$ 145	$ (109)	$ 197
Other comprehensive income (loss), net of tax
Foreign currency translation gain (loss), net of tax effect of $4, $—, $(7) and $(6)	21	(1)	(44)	(2)
Unrealized gain on financial assets/liabilities designated as hedging instruments, net of tax effect of $—, $(1), $— and $—	0	4	0	1
Defined benefit plans adjustments, net of tax effect of $—, $—, $2 and $—	0	0	(5)	0
Other comprehensive income (loss)	21	3	(49)	(1)
Comprehensive (loss) income	(113)	148	(158)	196
Less: Comprehensive income (loss) attributable to noncontrolling interests	0	13	(3)	13
Comprehensive (loss) income attributable to XPO	$ (113)	$ 135	$ (155)	$ 183