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Revenue Recognition Disaggregation of Revenue (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | $ 4,533.0 | $ 5,343.8 | $ 9,200.0 | $ 10,325.6
Transferred at Point in Time [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 4,001.2 | 4,650.1 | 8,002.6 | 8,962.9
Transferred over Time [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [1] | 531.8 | 693.7 | 1,197.4 | 1,362.7
New Vehicle [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 2,261.3 | 2,769.6 | 4,543.2 | 5,266.3
Used Vehicle [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 1,324.5 | 1,379.4 | 2,573.2 | 2,719.0
Parts and Service [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 689.9 | 901.5 | 1,566.2 | 1,778.2
Finance and Insurance, Net [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 246.4 | 255.2 | 482.2 | 491.7
Product and Service, Other [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 10.9 | 38.1 | 35.2 | 70.4
AN Reportable Segment, Domestic [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 1,486.0 | 1,707.3 | 2,969.5 | 3,276.1
AN Reportable Segment, Domestic [Member] | Transferred at Point in Time [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 1,343.2 | 1,528.4 | 2,654.6 | 2,926.5
AN Reportable Segment, Domestic [Member] | Transferred over Time [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [1] | 142.8 | 178.9 | 314.9 | 349.6
AN Reportable Segment, Domestic [Member] | New Vehicle [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 761.7 | 894.5 | 1,500.6 | 1,675.5
AN Reportable Segment, Domestic [Member] | Used Vehicle [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 436.8 | 447.0 | 841.4 | 890.4
AN Reportable Segment, Domestic [Member] | Parts and Service [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 193.3 | 241.2 | 428.9 | 477.5
AN Reportable Segment, Domestic [Member] | Finance and Insurance, Net [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 88.0 | 89.8 | 171.1 | 170.2
AN Reportable Segment, Domestic [Member] | Product and Service, Other [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 6.2 | 34.8 | 27.5 | 62.5
AN Reportable Segment, Import [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 1,325.3 | 1,627.3 | 2,687.4 | 3,123.4
AN Reportable Segment, Import [Member] | Transferred at Point in Time [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 1,187.0 | 1,445.3 | 2,387.5 | 2,770.1
AN Reportable Segment, Import [Member] | Transferred over Time [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [1] | 138.3 | 182.0 | 299.9 | 353.3
AN Reportable Segment, Import [Member] | New Vehicle [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 712.6 | 916.1 | 1,446.5 | 1,736.3
AN Reportable Segment, Import [Member] | Used Vehicle [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 355.8 | 388.0 | 690.3 | 757.5
AN Reportable Segment, Import [Member] | Parts and Service [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 170.4 | 229.2 | 377.9 | 449.4
AN Reportable Segment, Import [Member] | Finance and Insurance, Net [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 82.4 | 91.4 | 166.4 | 175.9
AN Reportable Segment, Import [Member] | Product and Service, Other [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 4.1 | 2.6 | 6.3 | 4.3
AN Reportable Segment, Premium Luxury [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 1,564.8 | 1,820.9 | 3,181.6 | 3,555.0
AN Reportable Segment, Premium Luxury [Member] | Transferred at Point in Time [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 1,373.6 | 1,577.7 | 2,753.8 | 3,074.9
AN Reportable Segment, Premium Luxury [Member] | Transferred over Time [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [1] | 191.2 | 243.2 | 427.8 | 480.1
AN Reportable Segment, Premium Luxury [Member] | New Vehicle [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 787.0 | 959.0 | 1,596.1 | 1,854.5
AN Reportable Segment, Premium Luxury [Member] | Used Vehicle [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 490.3 | 507.8 | 957.6 | 1,004.5
AN Reportable Segment, Premium Luxury [Member] | Parts and Service [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 223.2 | 285.7 | 500.6 | 563.9
AN Reportable Segment, Premium Luxury [Member] | Finance and Insurance, Net [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 64.3 | 68.4 | 127.3 | 130.0
AN Reportable Segment, Premium Luxury [Member] | Product and Service, Other [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues |  | 0.0 | 0.0 | 0.0 | 2.1
Corporate and Other [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [2] | 156.9 | 188.3 | 361.5 | 371.1
Corporate and Other [Member] | Transferred at Point in Time [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [2] | 97.4 | 98.7 | 206.7 | 191.4
Corporate and Other [Member] | Transferred over Time [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [1],[2] | 59.5 | 89.6 | 154.8 | 179.7
Corporate and Other [Member] | New Vehicle [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [2] | 0.0 | 0.0 | 0.0 | 0.0
Corporate and Other [Member] | Used Vehicle [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [2] | 41.6 | 36.6 | 83.9 | 66.6
Corporate and Other [Member] | Parts and Service [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [2] | 103.0 | 145.4 | 258.8 | 287.4
Corporate and Other [Member] | Finance and Insurance, Net [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [2] | 11.7 | 5.6 | 17.4 | 15.6
Corporate and Other [Member] | Product and Service, Other [Member] |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenues | [2] | $ 0.6 | $ 0.7 | $ 1.4 | $ 1.5
[1] | Represents revenue recognized during the period for automotive repair and maintenance services.
[2] | Corporate and other is comprised of our other businesses, including collision centers, auction operations, AutoNation USA stand-alone used vehicle sales and service centers, and parts distribution centers.

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