Statutory Net Income and Surplus and Dividend Restrictions (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statutory Accounting Practices [Line Items]
Statutory net income (loss)	$ 833	$ (671)	$ 262
Statutory Accounting Practices, Statutory Capital and Surplus Required	5,955	1,461
Statutory surplus capacity to pay divided without prior approval in 2022	595
Statutory dividend paid to Prudential Insurance	$ 0	$ 0	250
Extra-ordinary dividend
Statutory Accounting Practices [Line Items]
Statutory dividend paid to Prudential Insurance			104
Surplus dividends paid
Statutory Accounting Practices [Line Items]
Statutory dividend paid to Prudential Insurance			$ 146
Pruco Life Insurance
Statutory Accounting Practices [Line Items]
Statutory Accounting Practices Dividends And Distributions Surplus Restriction	10.00%