XML 127 R105.htm IDEA: XBRL DOCUMENT v3.22.4
Insurance - Short-duration insurance contracts, historical claims duration (Details) - Property and casualty insurance
Dec. 31, 2022
Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance [Line Items]  
Year 1 30.40%
Year 2 25.00%
Year 3 12.20%
Year 4 8.90%
Year 5 5.90%
Year 6 3.90%
Year 7 2.50%
Year 8 1.60%
Year 9 1.10%
Year 10 0.80%
Year 1, Cumulative 30.40%
Year 2, Cumulative 55.40%
Year 3, Cumulative 67.60%
Year 4, Cumulative 76.50%
Year 5, Cumulative 82.40%
Year 6, Cumulative 86.30%
Year 7, Cumulative 88.80%
Year 8, Cumulative 90.40%
Year 9, Cumulative 91.50%
Year 10, Cumulative 92.30%
Property and transportation  
Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance [Line Items]  
Year 1 45.60%
Year 2 31.20%
Year 3 7.90%
Year 4 5.30%
Year 5 3.40%
Year 6 2.00%
Year 7 1.00%
Year 8 0.40%
Year 9 0.10%
Year 10 0.30%
Year 1, Cumulative 45.60%
Year 2, Cumulative 76.80%
Year 3, Cumulative 84.70%
Year 4, Cumulative 90.00%
Year 5, Cumulative 93.40%
Year 6, Cumulative 95.40%
Year 7, Cumulative 96.40%
Year 8, Cumulative 96.80%
Year 9, Cumulative 96.90%
Year 10, Cumulative 97.20%
Specialty casualty  
Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance [Line Items]  
Year 1 16.80%
Year 2 21.10%
Year 3 15.70%
Year 4 11.90%
Year 5 8.00%
Year 6 5.30%
Year 7 3.60%
Year 8 2.80%
Year 9 1.80%
Year 10 1.10%
Year 1, Cumulative 16.80%
Year 2, Cumulative 37.90%
Year 3, Cumulative 53.60%
Year 4, Cumulative 65.50%
Year 5, Cumulative 73.50%
Year 6, Cumulative 78.80%
Year 7, Cumulative 82.40%
Year 8, Cumulative 85.20%
Year 9, Cumulative 87.00%
Year 10, Cumulative 88.10%
Specialty financial  
Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance [Line Items]  
Year 1 52.10%
Year 2 26.10%
Year 3 9.90%
Year 4 2.70%
Year 5 2.00%
Year 6 0.60%
Year 7 1.60%
Year 8 (0.20%)
Year 9 0.40%
Year 10 (0.80%)
Year 1, Cumulative 52.10%
Year 2, Cumulative 78.20%
Year 3, Cumulative 88.10%
Year 4, Cumulative 90.80%
Year 5, Cumulative 92.80%
Year 6, Cumulative 93.40%
Year 7, Cumulative 95.00%
Year 8, Cumulative 94.80%
Year 9, Cumulative 95.20%
Year 10, Cumulative 94.40%
Other specialty  
Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance [Line Items]  
Year 1 10.30%
Year 2 12.70%
Year 3 13.10%
Year 4 16.60%
Year 5 10.70%
Year 6 10.40%
Year 7 6.90%
Year 8 1.90%
Year 9 4.60%
Year 10 4.80%
Year 1, Cumulative 10.30%
Year 2, Cumulative 23.00%
Year 3, Cumulative 36.10%
Year 4, Cumulative 52.70%
Year 5, Cumulative 63.40%
Year 6, Cumulative 73.80%
Year 7, Cumulative 80.70%
Year 8, Cumulative 82.60%
Year 9, Cumulative 87.20%
Year 10, Cumulative 92.00%