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Long-Term Debt and Credit Facilities (Tables)
12 Months Ended
Dec. 31, 2024
Debt Disclosure [Abstract]  
Principal and Carrying Amounts of Debt
The principal and carrying values of the Company’s debt are presented in the table below.
 
Principal and Carrying Amounts of Long-Term Debt 
 As of December 31, 2024As of December 31, 2023
 PrincipalCarrying
Value
PrincipalCarrying
Value
 (in millions)
AGUS 6.125% Senior Notes
$350 $346 $350 $345 
AGUS 3.15% Senior Notes
500 496 500 496 
AGUS 7% Senior Notes
200 198 200 198 
AGUS 3.6% Senior Notes
400 396 400 395 
AGUS Series A Enhanced Junior Subordinated Debentures150 150 150 150 
AGMH Junior Subordinated Debentures (1)146 113 146 110 
Total$1,746 $1,699 $1,746 $1,694 
 ____________________
(1)    Carrying amounts are different than principal amounts primarily due to fair value adjustments at the date of the AGMH acquisition, which are accreted into interest expense over the remaining terms of these obligations. Net of AGMH’s long-term debt purchased by AGUS.
Expected Maturity Schedule of Debt
Scheduled principal payments of the Company’s debt are as follows:

Debt Maturity Schedule (1)
As of December 31, 2024
YearPrincipal
 (in millions)
2028$350 
2031500 
2034200 
2051400 
2066296 
Total$1,746 
 ____________________
(1)    Includes eliminations of AGMH’s debt purchased by AGUS.