v3.26.3
Stockholders' Equity (Tables)
 9 Months Ended
Sep. 30, 2026
Equity [Abstract]  
Schedule of Share Repurchase Program
Summary of activity under the SRP:
Nine Months Ended September 30, 2026Nine Months Ended September 30, 2025
Number of Shares
Share Price (a)
Total Repurchase Cost (b)
Number of Shares
Share Price (a)
Total Repurchase Cost (b)
Share repurchases1,450,000 $345.77 $501 452,130 $186.24 $85 
Share retirements(1,450,000)345.77 (501)(452,130)186.24 (85)
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(a)Weighted average price per share, including transaction costs and excise taxes, if applicable.
(b)Dollars in millions.
Schedule of Accumulated Other Comprehensive Income
Changes in AOCI for the periods were:
Nine Months Ended September 30,
20262025
Beginning balance$(4)$(12)
Gains (losses) arising during the period
(52)14 
Reclassifications to Consolidated Statements of Operations
3 (7)
Income tax benefit (expense)18 (3)
Other comprehensive income (loss)(31)4 
Accumulated other comprehensive income (loss)$(35)$(8)

The components of AOCI, net of tax, as of September 30, were:
20262025
Available-for-sale securities unrealized gain (loss), net$(26)$3 
Postretirement benefit prior service credits (costs), net9 12 
Postretirement benefit actuarial gain (loss), net(18)(23)
Accumulated other comprehensive income (loss)$(35)$(8)