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Revenue from Contracts with Customers (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Other revenues (excluded from ASC 606)									$ 767.1	$ 469.6	$ 559.0
Revenues	$ 4,702.1	$ 4,482.7	$ 3,158.3	$ 8,015.2	$ 9,358.1	$ 9,322.7	$ 9,459.4	$ 8,678.8	20,358.3	36,819.0	39,750.3
Asia Pacific
Disaggregation of Revenue [Line Items]
Revenue, ASC 606									2,989.4	4,357.7	5,120.1
Revenues									3,035.6	4,581.1	5,537.2
EMEA
Disaggregation of Revenue [Line Items]
Revenue, ASC 606									4,778.7	8,988.9	9,353.4
Revenues									4,961.0	9,235.1	9,721.9
LATAM
Disaggregation of Revenue [Line Items]
Revenue, ASC 606									1,993.5	3,637.7	3,173.6
North America
Disaggregation of Revenue [Line Items]
Revenue, ASC 606									9,829.6	19,365.1	21,544.2
Aviation segment
Disaggregation of Revenue [Line Items]
Revenues									8,179.6	18,479.5	19,119.7
Aviation segment | Asia Pacific
Disaggregation of Revenue [Line Items]
Revenue, ASC 606									542.1	1,410.2	1,564.6
Aviation segment | EMEA
Disaggregation of Revenue [Line Items]
Revenue, ASC 606									1,403.4	3,824.3	3,641.4
Aviation segment | LATAM
Disaggregation of Revenue [Line Items]
Revenue, ASC 606									1,069.9	2,347.1	1,931.6
Aviation segment | North America
Disaggregation of Revenue [Line Items]
Revenue, ASC 606									4,618.4	10,933.0	12,025.7
Land segment
Disaggregation of Revenue [Line Items]
Revenues									6,663.1	10,280.9	11,381.1
Land segment | Asia Pacific
Disaggregation of Revenue [Line Items]
Revenue, ASC 606									10.6	18.2	3.3
Land segment | EMEA
Disaggregation of Revenue [Line Items]
Revenue, ASC 606									1,744.5	2,425.4	2,563.6
Land segment | LATAM
Disaggregation of Revenue [Line Items]
Revenue, ASC 606									440.1	612.4	631.8
Land segment | North America
Disaggregation of Revenue [Line Items]
Revenue, ASC 606									4,359.6	7,017.0	8,038.0
Marine segment
Disaggregation of Revenue [Line Items]
Revenues									5,515.7	8,058.5	9,249.5
Marine segment | Asia Pacific
Disaggregation of Revenue [Line Items]
Revenue, ASC 606									2,436.8	2,929.2	3,552.1
Marine segment | EMEA
Disaggregation of Revenue [Line Items]
Revenue, ASC 606									1,630.8	2,739.1	3,148.3
Marine segment | LATAM
Disaggregation of Revenue [Line Items]
Revenue, ASC 606									483.5	678.1	610.2
Marine segment | North America
Disaggregation of Revenue [Line Items]
Revenue, ASC 606									$ 851.6	$ 1,415.2	$ 1,480.5

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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