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Schedule VI. Supplemental Information Concerning Property and Casualty Insurance Operations
12 Months Ended
Dec. 31, 2021
SEC Schedule, 12-18, Supplemental Information, Property-Casualty Insurance Underwriters [Abstract]  
Schedule VI. Supplemental Information Concerning Property and Casualty Insurance Operations
SCHEDULE VI. SUPPLEMENTAL INFORMATION CONCERNING PROPERTY AND CASUALTY INSURANCE OPERATIONS
As of and for the years ended December 31Consolidated Property and Casualty Operations
(In millions)202120202019
Balance Sheet Data
Deferred acquisition costs$737 $708 
Reserves for unpaid claim and claim adjustment expenses24,174 22,706 
Discount deducted from claim and claim adjustment expense reserves above (based on interest rates ranging from 3.5% to 6.4%)
1,146 1,209 
Unearned premiums5,761 5,119 
Statement of Operations Data
Net written premiums$8,405 $8,059 $7,656 
Net earned premiums8,175 7,649 7,428 
Net investment income2,111 1,896 2,063 
Incurred claim and claim adjustment expenses related to current year5,970 5,793 5,356 
Incurred claim and claim adjustment expenses related to prior years(104)(119)(127)
Amortization of deferred acquisition costs1,443 1,410 1,383 
Paid claim and claim adjustment expenses4,844 5,164 5,576