v3.26.1
DESCRIPTION OF BUSINESS (Details)
Jun. 30, 2026
investmentGroup
Accounting Policies [Abstract]
Number of investment groups
3
X
- Definition
Number Of Investment Groups
+ References
No definition available.
+ Details
Name:
nly_NumberOfInvestmentGroups
Namespace Prefix:
nly_
Data Type:
xbrli:integerItemType
Balance Type:
na
Period Type:
instant
X
- References
No definition available.
+ Details
Name:
us-gaap_AccountingPoliciesAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration