Equity (Statutory Financial Information) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Prudential Insurance
Statutory Accounting Practices [Line Items]
Statutory net income (loss)	$ 1,770	$ (169)	$ 1,324
Statutory capital and surplus	11,597	11,483	10,695
PALAC
Statutory Accounting Practices [Line Items]
Statutory net income (loss)	(637)	(2,052)	(852)
Statutory capital and surplus	$ 6,262	$ 4,748	$ 6,396