XML 88 R51.htm IDEA: XBRL DOCUMENT v3.8.0.1
SCHEDULE III - Supplementary Insurance Information Supplementary Insurance Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Supplementary Insurance Information, by Segment [Line Items]      
Deferred policy acquisition costs [1] $ 780.5 $ 651.2 $ 564.1
Future policy benefits, losses, claims, and loss expenses [1] 13,086.9 11,368.0 10,039.0
Unearned premiums [1] 8,903.5 7,468.3 6,621.8
Other policy claims and benefits payable [1] 0.0 0.0 0.0
Premium revenue 25,729.9 22,474.0 19,899.1
Net investment income [1],[2] 539.2 456.5 431.8
Benefits, claims, losses, and settlement expenses 18,808.0 16,879.6 14,342.0
Amortization of deferred policy acquisition costs 2,124.9 1,863.8 1,651.8
Other operating expenses 3,480.7 2,972.0 2,712.1
Net Premiums Written 27,132.1 23,353.5 20,564.0
Personal Lines      
Supplementary Insurance Information, by Segment [Line Items]      
Premium revenue 21,947.2 19,188.2 17,294.5
Benefits, claims, losses, and settlement expenses 16,141.4 14,591.1 12,748.7
Amortization of deferred policy acquisition costs 1,656.4 1,446.6 1,331.3
Other operating expenses 2,954.8 2,549.2 2,379.9
Net Premiums Written 22,928.4 19,819.5 17,703.6
Commercial Lines      
Supplementary Insurance Information, by Segment [Line Items]      
Premium revenue 2,793.9 2,421.3 1,995.9
Benefits, claims, losses, and settlement expenses 1,966.4 1,741.0 1,244.5
Amortization of deferred policy acquisition costs 309.3 266.7 219.4
Other operating expenses 335.3 285.4 232.6
Net Premiums Written 3,112.7 2,598.3 2,171.2
Property, Liability and Casualty Insurance Product Line      
Supplementary Insurance Information, by Segment [Line Items]      
Premium revenue 988.8 864.5 609.1
Benefits, claims, losses, and settlement expenses 700.2 546.1 349.0
Amortization of deferred policy acquisition costs 159.2 150.5 101.1
Other operating expenses 190.4 137.2 98.8
Net Premiums Written 1,091.0 935.7 689.6
Other Indemnity      
Supplementary Insurance Information, by Segment [Line Items]      
Premium revenue 0.0 0.0 (0.4)
Benefits, claims, losses, and settlement expenses 0.0 1.4 (0.2)
Amortization of deferred policy acquisition costs 0.0 0.0 0.0
Other operating expenses 0.2 0.2 0.8
Net Premiums Written $ 0.0 $ 0.0 $ (0.4)
[1] Progressive does not allocate assets, liabilities, or investment income to operating segments.
[2] Excludes total net realized gains (losses) on securities.