Equity (Captive Dividend Restriction - Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounts Receivable
Statutory Accounting Practices [Line Items]
Payments of Dividends			$ 400
Investments
Statutory Accounting Practices [Line Items]
Payments of Dividends			197
Cash
Statutory Accounting Practices [Line Items]
Payments of Dividends			3
Preferred Stock | Brighthouse Reinsurance Company of Delaware
Statutory Accounting Practices [Line Items]
Payments of Dividends	$ 1	$ 1	$ 1