Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 98	$ 136	$ (11)	$ 333
Other comprehensive income (loss), net of tax
Foreign currency translation gain (loss), net of tax effect	71	(66)	27	(68)
Unrealized gain on financial assets/liabilities designated as hedging instruments, net of tax effects	(1)	0	(1)	1
Defined benefit plans adjustments, net of tax effect	(2)	(1)	(7)	(1)
Other comprehensive income (loss)	68	(67)	19	(68)
Comprehensive income	166	69	8	265
Less: Comprehensive income (loss) attributable to noncontrolling interests	10	(9)	7	4
Comprehensive income attributable to XPO	$ 156	$ 78	$ 1	$ 261