XML 37 R25.htm IDEA: XBRL DOCUMENT v3.22.1
Fair Value Measurements (Tables)
 3 Months Ended
Mar. 31, 2022
Fair Value Disclosures [Abstract]  
Level within the fair value hierarchy at which the Company's financial assets and financial liabilities are measured on a recurring basis [Table Text Block] The following tables present the level within the fair value hierarchy at which the Company’s financial assets and financial liabilities are measured on a recurring basis.
   
(at March 31, 2022, in millions)TotalLevel 1Level 2Level 3
Invested assets:    
Fixed maturities    
U.S. Treasury securities and obligations of U.S. government and government agencies and authorities
$3,173 $3,173 $— $— 
Obligations of U.S. states, municipalities and political subdivisions35,288 — 35,284 4 
Debt securities issued by foreign governments1,041 — 1,041 — 
Mortgage-backed securities, collateralized mortgage obligations and pass-through securities
1,760 — 1,712 48 
Corporate and all other bonds33,124 3 32,897 224 
Total fixed maturities74,386 3,176 70,934 276 
Equity securities    
Common stock816 497 — 319 
Non-redeemable preferred stock64 18 20 26 
Total equity securities880 515 20 345 
Other investments19 17 — 2 
Total$75,285 $3,708 $70,954 $623 
Other liabilities$3 $— $— $3 

(at December 31, 2021, in millions)TotalLevel 1Level 2Level 3
Invested assets:    
Fixed maturities    
U.S. Treasury securities and obligations of U.S. government and government agencies and authorities
$3,562 $3,562 $— $— 
Obligations of U.S. states, municipalities and political subdivisions36,862 — 36,858 4 
Debt securities issued by foreign governments1,041 — 1,041 — 
Mortgage-backed securities, collateralized mortgage obligations and pass-through securities
1,817 — 1,762 55 
Corporate and all other bonds34,528 — 34,339 189 
Total fixed maturities77,810 3,562 74,000 248 
Equity securities    
Common stock827 509 — 318 
Non-redeemable preferred stock66 21 20 25 
Total equity securities893 530 20 343 
Other investments23 18 — 5 
Total$78,726 $4,110 $74,020 $596 
Other liabilities$3 $— $— $3 
Carrying value and fair value of the Company's financial assets and financial liabilities disclosed, but not carried, at fair value, and the level within the fair value hierarchy at which such assets and liabilities are categorized [Table Text Block]
The following tables present the carrying value and fair value of the Company’s financial assets and financial liabilities disclosed, but not carried, at fair value, and the level within the fair value hierarchy at which such assets and liabilities are categorized.
(at March 31, 2022, in millions)Carrying
Value		Fair
Value		Level 1Level 2Level 3
Financial assets     
Short-term securities$3,467 $3,467 $376 $3,030 $61 
Financial liabilities     
Debt$7,191 $7,920 $— $7,920 $— 
Commercial paper100 100 — 100 — 
 
(at December 31, 2021, in millions)Carrying
Value		Fair
Value		Level 1Level 2Level 3
Financial assets     
Short-term securities$3,836 $3,836 $1,163 $2,615 $58 
Financial liabilities     
Debt$7,190 $9,085 $— $9,085 $— 
Commercial paper100 100 — 100 —