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SCHEDULE IV - Reinsurance | 12 Months Ended
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Dec. 31, 2017
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SCHEDULE IV - Reinsurance | SCHEDULE IV — REINSURANCE THE PROGRESSIVE CORPORATION AND SUBSIDIARIES (millions)
Year Ended: | Gross Amount |  | Ceded to Other Companies |  | Assumed From Other Companies |  | Net Amount |  | Percentage of Amount Assumed to Net
December 31, 2017 |  |  |  |  |  |  |  |  |
Premiums earned: |  |  |  |  |  |  |  |  |
Property and liability insurance | $ | 26,425.7 |  |  | $ | 695.8 |  |  | $ | 0 |  |  | $ | 25,729.9 |  |  | 0 | %
December 31, 2016 |  |  |  |  |  |  |  |  |
Premiums earned: |  |  |  |  |  |  |  |  |
Property and liability insurance | $ | 23,111.2 |  |  | $ | 637.2 |  |  | $ | 0 |  |  | $ | 22,474.0 |  |  | 0 | %
December 31, 2015 |  |  |  |  |  |  |  |  |
Premiums earned: |  |  |  |  |  |  |  |  |
Property and liability insurance | $ | 20,454.1 |  |  | $ | 555.0 |  |  | $ | 0 |  |  | $ | 19,899.1 |  |  | 0 | %

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- Definition The entire disclosure for the supplemental schedule of reinsurance information. Reinsurance schedule includes, but is not limited to, the type of insurance, gross amount of premiums, premiums ceded to other entities, premiums assumed from other entities, net amount of premium revenue, and the percentage of the premiums assumed to net premium revenue. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17) -URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574992-122915 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.7-05.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=6879921&loc=d3e569147-122900 + Details
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- References No definition available. + Details
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