XML 66 R29.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Reporting and Accounting Policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Accounting Policies [Abstract] |
Advertising Costs | Total advertising costs, which are expensed as incurred, for the years ended December 31, were:
(millions) | Advertising Costs |
2017 | $ | 1,005.4 |
2016 | 756.2 |
2015 | 748.3 |
Property and Equipment | The useful lives for property and equipment at December 31, 2017, were:
| Useful Lives
Computer equipment and laptops | 3 years
Software licenses (internal use) | 1-5 years
Capitalized software | 3-10 years
Buildings, improvements, and integrated components | 7-40 years
All other property and equipment | 3-15 years
Interest Capitalized | Total capitalized interest, which primarily relates to capitalized software projects, for the years ended December 31, was:
(millions) | Capitalized Interest |
2017 | $ | 2.8 |
2016 | 2.9 |
2015 | 2.4 |
Equity Based Compensation and Related Tax Benefits | The total compensation expense recognized for equity-based compensation, both our equity and liability awards, for the years ended December 31, was:
(millions) | 2017 |  | 2016 |  | 2015 |
Pretax expense | $ | 95.4 |  | $ | 85.2 |  | $ | 66.2 |
Tax benefit 1 | 33.4 |  | 29.8 |  | 23.2 |
1 Reflected at the 35% corporate federal tax rate; the revaluation to the 21% rate is reflected in the total revaluation adjustment recorded at December 31, 2017 (see N ote 5 – Income Ta xes for further discussion).
Supplemental Cash Flow Information | For the years ended December 31, we paid the following:
(millions) | 2017 |  | 2016 |  | 2015 |
Income taxes | $ | 715.6 |  | $ | 459.4 |  | $ | 701.8 |
Interest | 146.3 |  | 139.2 |  | 132.0 |

X
- Definition [Table Text Block] for Advertising Costs + References No definition available. + Details
Name: | pgr_AdvertisingCostsTableTextBlock
Namespace Prefix: | pgr_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of interest costs capitalized. + References No definition available. + Details
Name: | pgr_CapitalizedInterestTableTableTextBlock
Namespace Prefix: | pgr_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of equity-based compensation expense and related tax benefits. + References No definition available. + Details
Name: | pgr_EquityBasedCompensationAndRelatedTaxBenefitsTableTableTextBlock
Namespace Prefix: | pgr_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration