Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
NET INCOME (LOSS)	$ 4,238	$ 4,088	$ 7,974
Other comprehensive income (loss), before tax:
Foreign currency translation adjustments for the period	67	(68)	751
Net unrealized investment gains (losses)	17,195	(8,393)	2,397
Defined benefit pension and postretirement unrecognized periodic benefit (cost)	(322)	(320)	71
Total	16,940	(8,781)	3,219
Less: Income tax expense (benefit) related to other comprehensive income (loss)	3,811	(1,812)	784
Other comprehensive income (loss), net of taxes	13,129	(6,969)	2,435
Comprehensive income (loss)	17,367	(2,881)	10,409
Less: Comprehensive income (loss) attributable to noncontrolling interests	55	19	93
Comprehensive income (loss) attributable to Prudential Financial, Inc.	$ 17,312	$ (2,900)	$ 10,316