v3.26.3
Accumulated Other Comprehensive Income (Loss) (Tables)
 9 Months Ended
Sep. 30, 2026
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss)
The following tables summarize the changes in Accumulated Other Comprehensive Income/(Loss) (AOCI):
(In millions)Net Unrealized Gain/(Loss) on AFS SecuritiesPension and Postretirement BenefitsTotal
AOCI
Balance, June 30, 2025
$52 $(5)$47 
Other comprehensive income/(loss):
Net change in pension and postretirement benefits1 1 
Net change in fair value39 39 
Net current period other comprehensive income/(loss)39 1 40 
Balance, September 30, 2025
$91 $(4)$87 
Balance, June 30, 2026
$189 $6 $195 
Other comprehensive income/(loss):
Net change in pension and postretirement benefits(1)(1)
Net change in fair value(48)(48)
Net current period other comprehensive income/(loss)(48)(1)(49)
Balance, September 30, 2026
$141 $5 $146 
(In millions)Net Unrealized Gain/(Loss) on AFS SecuritiesPension and Postretirement BenefitsTotal
AOCI
Balance, December 31, 2024
$68 $(5)$63 
Other comprehensive income/(loss):
Net change in pension and postretirement benefits1 1 
Net change in fair value23 23 
Net current period other comprehensive income/(loss)23 1 24 
Balance, September 30, 2025
$91 $(4)$87 
Balance, December 31, 2025
$140 $6 $146 
Other comprehensive income/(loss):
Net change in pension and postretirement benefits(1)(1)
Net change in fair value1 1 
Net current period other comprehensive income/(loss)1 (1)— 
Balance, September 30, 2026
$141 $5 $146