Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 440	$ 444	$ 360
Other comprehensive income (loss), net of tax
Foreign currency translation gain (loss), net of tax effect of $(7), $(6) and $47	23	(100)	180
Unrealized gain (loss) on financial assets/liabilities designated as hedging instruments, net of tax effect of $(1) in all periods	4	(6)	5
Defined benefit plans adjustment, net of tax effect of $1, $23 and $(29)	(19)	(91)	90
Other comprehensive income (loss)	8	(197)	275
Comprehensive income	448	247	635
Less: Comprehensive income (loss) attributable to noncontrolling interests	20	(5)	72
Comprehensive income attributable to XPO	$ 428	$ 252	$ 563