Equity (Statutory Equity & Income - Narrative) (Details) - Minimum	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Parent Company
Statutory Accounting Practices [Line Items]
RBC Adjusted Ratios	in excess of 400%	in excess of 400%
Brighthouse Life Insurance Co of NY
Statutory Accounting Practices [Line Items]
RBC Adjusted Ratios	in excess of 400%	in excess of 400%

For insurance companies, a description of the minimum regulatory capital requirements imposed by state insurance regulators, and restrictions on dividend payments.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 505
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6486098&loc=d3e24708-158529

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