Interim Financial Statements [Line Items]

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- Definition

Represents the minimum number of vehicle brands offered.

+ References

No definition available.

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- Definition

Represents the number of franchises disposed of by the entity during the period.

+ References

No definition available.

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- Definition

Number Of Individuals Employed By Holding Company

+ References

No definition available.

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- Definition

Number Of Individuals Employed By Penske Automotive Group

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No definition available.

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- Definition

Represents the number of operating franchises.

+ References

No definition available.

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- Definition

Total number of owned and operated franchises.

+ References

No definition available.

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- Definition

Number of owned and operated franchises in domestic country.

+ References

No definition available.

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- Definition

Number of owned and operated franchises in foreign countries.

+ References

No definition available.

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- Definition

The number of retail locations operated.

+ References

No definition available.

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- Definition

The number of stand-alone used vehicle supercenters operated in the United States and United Kingdom.

+ References

No definition available.

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- Definition

Number Of States With Locations

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No definition available.

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- Definition

Number Of Vehicles In Fleet

+ References

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

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- Definition

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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Interim Financial Statements - Business Overview (Details) vehicle in Thousands, employee in Thousands, $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2023 USD ($) vehicle dealership brand franchise state location employee	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Interim Financial Statements [Line Items]
Number of PAG employees \| employee	27
Number of PTL employees \| employee	43
Revenues \| $	$ 7,339.0	$ 6,975.4
Minimum number of vehicle brands offered \| brand	35
U.S. and Puerto Rico \| Retail automotive dealership revenues \| Geographic
Interim Financial Statements [Line Items]
Percentage of total	54.00%
Outside the U.S. \| Retail automotive dealership revenues \| Geographic
Interim Financial Statements [Line Items]
Percentage of total	46.00%
U.S.
Interim Financial Statements [Line Items]
Number of franchises disposed	4
Retail automotive dealership
Interim Financial Statements [Line Items]
Revenues \| $	$ 6,299.8	6,029.2	$ 23,700.0
Total number of owned and operated franchises	333
Retail automotive dealership \| Retail automotive dealership revenues \| Premium brands
Interim Financial Statements [Line Items]
Percentage of total	72.00%
Retail automotive dealership \| Outside the U.S.
Interim Financial Statements [Line Items]
Number of owned and operated franchises outside US	185
Retail automotive dealership \| U.S. and U.K.
Interim Financial Statements [Line Items]
Number of stand-alone used vehicle dealerships operated in United States and United Kingdom \| dealership	20
Retail automotive dealership \| U.S.
Interim Financial Statements [Line Items]
Revenues \| $	$ 3,378.2	3,343.6
Number of owned and operated franchises in US	148
Number of retail locations operated \| dealership	7
Number of franchises disposed	3
Retail automotive dealership \| U.K.
Interim Financial Statements [Line Items]
Revenues \| $	$ 2,472.4	2,262.9
Number of retail locations operated \| dealership	13
CarShop Satellite \| U.S.
Interim Financial Statements [Line Items]
Number of franchises disposed	1
Retail commercial truck dealership
Interim Financial Statements [Line Items]
Revenues \| $	$ 895.6	$ 792.3
Number of operating locations \| location	39
Retail commercial truck dealership \| U.S. and Ontario, Canada
Interim Financial Statements [Line Items]
Number of dealerships \| state	9
Penske Truck Leasing Co L P
Interim Financial Statements [Line Items]
Number of vehicles in fleet \| vehicle	419
Penske Truck Leasing Co L P \| Penske Corporation
Interim Financial Statements [Line Items]
Penske transportation solutions, ownership percentage	41.10%
Penske Truck Leasing Co L P \| Mitsui and Co
Interim Financial Statements [Line Items]
Penske transportation solutions, ownership percentage	30.00%
Penske Truck Leasing Co L P
Interim Financial Statements [Line Items]
Penske transportation solutions, ownership percentage	28.90%