Organization, Description of Business and Basis of Presentation - Narrative (Details) £ in Millions	3 Months Ended	6 Months Ended		12 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) segment	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 GBP (£)	Jun. 30, 2020 EUR (€)
Variable Interest Entity [Line Items]
Number of reportable segments | segment		2
Long-term debt		$ 6,939,000,000		$ 5,182,000,000
Realization of cash on deferred purchase price receivable	$ 66,000,000	0	$ 137,000,000
Carrying Value
Variable Interest Entity [Line Items]
Long-term debt		6,939,000,000		5,182,000,000
Kuehne and Nagel Contract Logistics Operations | XPO Logistics Europe
Variable Interest Entity [Line Items]
Actual revenues recorded by acquired company				639,000,000	£ 500
Other long-term assets
Variable Interest Entity [Line Items]
Restricted cash included in other long-term assets		10,000,000		10,000,000
Affiliated Entity | XPO Collections Designated Activity Company Limited | Trade Receivables Securitization Program Two
Variable Interest Entity [Line Items]
Aggregate maximum borrowing capacity		449,000,000				€ 400,000,000
Remaining borrowing availability		$ 181,000,000				€ 161,000,000
Weighted average interest rate		0.73%				0.73%
Trade Receivables Securitization | Carrying Value
Variable Interest Entity [Line Items]
Long-term debt		$ 110,000,000		$ 0		€ 98,000,000