XML 55 R43.htm IDEA: XBRL DOCUMENT v3.25.2
AVAILABLE-FOR-SALE DEBT SECURITIES AND EQUITY SECURITIES - Summary of Available-for-Sale Debt Securities Been in Continuous Unrealized Loss Position (Details)
$ in Millions
Jun. 30, 2025
USD ($)
Gross Unrealized Losses  
Less Than 12 Months $ (1)
12 Months or Longer 0
Total (1)
Estimated Fair Value  
Less Than 12 Months 519
12 Months or Longer 0
Total 519
U.S. treasury securities  
Gross Unrealized Losses  
Less Than 12 Months (1)
12 Months or Longer 0
Total (1)
Estimated Fair Value  
Less Than 12 Months 338
12 Months or Longer 0
Total 338
U.S. government agencies securities  
Gross Unrealized Losses  
Less Than 12 Months 0
12 Months or Longer 0
Total 0
Estimated Fair Value  
Less Than 12 Months 10
12 Months or Longer 0
Total 10
Corporate debt securities  
Gross Unrealized Losses  
Less Than 12 Months 0
12 Months or Longer 0
Total 0
Estimated Fair Value  
Less Than 12 Months 121
12 Months or Longer 0
Total 121
Residential mortgage and asset-backed securities  
Gross Unrealized Losses  
Less Than 12 Months 0
12 Months or Longer 0
Total 0
Estimated Fair Value  
Less Than 12 Months 51
12 Months or Longer 0
Total $ 51