v3.26.1
Accumulated Other Comprehensive Income
 6 Months Ended
Jun. 30, 2025
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss)
The following tables present a summary of changes in the components comprising accumulated other comprehensive income (loss).
Net Unrealized Gains (Losses) on Available-for-sale SecuritiesPension and Postretirement BenefitsTotal  Accumulated
Other
Comprehensive
Income (Loss)
Balance, March 31, 2025$(4)$1 $(3)
Other comprehensive income before reclassifications:
Net unrealized losses on available-for-sale securities(10)— (10)
Balance, June 30, 2025$(14)$1 $(13)
Balance, March 31, 2026$2 $(5)$(3)
Other comprehensive income before reclassifications:
Net unrealized gains on available-for-sale securities26 — 26 
Reclassification from accumulated other comprehensive income to net income:
     Amortization of pension and postretirement (1)
— 1 1 
Net current period other comprehensive income26 1 27 
Balance, June 30, 2026$28 $(4)$24 
Net Unrealized Gains (Losses) on Available-for-sale SecuritiesPension and Postretirement BenefitsTotal  Accumulated
Other
Comprehensive
Income (Loss)
Balance, December 31, 2024$(1)$1 $— 
Other comprehensive income before reclassifications:
Net unrealized losses on available-for-sale securities(13)— (13)
Balance, June 30, 2025$(14)$1 $(13)
Balance, December 31, 2025$25 $(5)$20 
Other comprehensive income before reclassifications:
Net unrealized gains on available-for-sale securities3 — 3
Reclassification from accumulated other comprehensive income to net income:
     Amortization of pension and postretirement (1)
— 1 1 
Net current period other comprehensive income3 1 4 
Balance, June 30, 2026$28 $(4)$24