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SCHEDULE IV - Reinsurance
 12 Months Ended
Dec. 31, 2022
Text Block [Abstract]  
SCHEDULE IV - Reinsurance
SCHEDULE IV — REINSURANCE
THE PROGRESSIVE CORPORATION AND SUBSIDIARIES
(millions)
 
Year Ended:Gross AmountCeded to
Other Companies		Assumed
From
Other Companies		Net AmountPercentage
of Amount
Assumed to Net
December 31, 2022
Premiums earned:
Property and liability insurance$50,650.2 $1,409.0 $0 $49,241.2 0 %
December 31, 2021
Premiums earned:
Property and liability insurance$46,018.6 $1,649.9 $0 $44,368.7 0 %
December 31, 2020
Premiums earned:
Property and liability insurance$40,687.7 $1,426.1 $0 $39,261.6 0 %