XML 78 R51.htm IDEA: XBRL DOCUMENT v3.25.0.1

Leases (Tables)

12 Months Ended

Dec. 31, 2024

Leases [Abstract]

Lease, Right Of-Use Assets And Liabilities

ROU Assets and Lease Liabilities

			As of December 31,
			2024						2023
			(dollars in millions)
ROU assets			$	60					$	71
Lease liabilities			$	84					$	97
Weighted average discount rate			2.65%						2.60%
Weighted average remaining lease term (in years)			7.1						7.8

Summary of Lease Expense and Other Information

Lease Expense and Other Information

						Year Ended December 31,
						2024						2023						2022
						(in millions)
Operating lease costs (1)						$	14					$	20					$	16
Variable and short-term lease costs						2						2						3
Sublease income						(3)						(7)						(7)
Total lease costs						$	13					$	15					$	12
Cash paid for amounts included in the measurement of lease liabilities
Operating cash outflows for operating leases						$	16					$	24					$	23

 ____________________

(1)    Includes an ROU asset impairment of $2 million in 2024 and $3 million in 2023.

Future Minimum Rental Payments

Future Minimum Rental Payments

Operating Leases

						As of December 31, 2024
Year						(in millions)
2025						$	13
2026						13
2027						12
2028						12
2029						13
Thereafter						29
Total lease payments						92
Less: Imputed interest						8
Total lease liabilities						$	84

X

- Definition

Lease, Right Of-Use Assets And Liabilities

+ References

No definition available.

+ Details

Name:	ago_LeaseRightOfUseAssetsAndLiabilitiesTableTextBlock
Namespace Prefix:	ago_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of contractual obligation by timing of payment due. Includes, but is not limited to, long-term debt obligation, lease obligation, and purchase obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Subsection 04
-Subparagraph (a)
-Publisher SEC

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3

+ Details

Name:	srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock
Namespace Prefix:	srt_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

+ Details

Name:	us-gaap_LeaseCostTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_LeasesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration