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SCHEDULE III - Supplementary Insurance Information
 12 Months Ended
Dec. 31, 2023
Text Block [Abstract]  
SCHEDULE III - Supplementary Insurance Information
SCHEDULE III — SUPPLEMENTARY INSURANCE INFORMATION
THE PROGRESSIVE CORPORATION AND SUBSIDIARIES
(millions)
 
Segment
Deferred
policy
acquisition costs1 
Future
policy
benefits,
losses,
claims,
and
loss expenses1
Unearned premiums1
Other
policy
claims
and
benefits payable1 
Premium revenue
Net
investment income1,2
Benefits,
claims,
losses, and
settlement expenses		Amortization
of deferred
policy
acquisition costs
Other
operating expenses1
Net premiums
written
Year ended December 31, 2023:
Personal Lines$46,213.3 $35,972.4 $3,169.1 $4,928.6 $48,581.0 
Commercial Lines9,898.7 7,899.7 1,004.7 1,020.8 10,138.3 
Property2,551.4 1,776.3 491.0 281.4 2,830.6 
Other indemnity1.0 6.2 0.3 10.7 0.3 
Total$1,687.4 $34,389.2 $20,133.7 $0 $58,664.4 $1,865.6 $45,654.6 $4,665.1 $6,241.5 $61,550.2 
Year ended December 31, 2022:
Personal Lines$37,880.2 $29,680.8 $2,592.1 $4,668.9 $39,278.5 
Commercial Lines9,088.3 6,544.7 913.3 947.7 9,398.8 
Property2,270.0 1,891.3 411.1 235.3 2,401.7 
Other indemnity2.7 5.9 0.5 7.7 2.1 
Total$1,544.4 $30,359.3 $17,293.6 $0 $49,241.2 $1,236.0 $38,122.7 $3,917.0 $5,859.6 $51,081.1 
Year ended December 31, 2021:
Personal Lines$35,373.3 $27,043.1 $2,614.7 $4,656.8 $36,168.8 
Commercial Lines6,945.2 4,814.5 734.1 742.3 8,015.9 
Property2,042.5 1,764.6 362.9 253.0 2,216.2 
Other indemnity7.7 5.4 1.1 2.6 4.3 
Total$1,355.6 $26,164.1 $15,615.8 $0 $44,368.7 $835.4 $33,627.6 $3,712.8 $5,654.7 $46,405.2 
1 Progressive does not allocate assets, liabilities, or investment income to operating segments. Expense allocations are based on certain assumptions and estimates primarily related to revenue and volume; stated segment operating results would change if different methods were applied.
2 Excludes total net realized gains (losses) on securities.